Sergei Barracuda
type: MusicGroup
popularity: 53
followers: 186011
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x36ef1ad7efe5e56b755a687a119abd7843d5ed52079255ee4c272aeb35870dc1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953423
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953423
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8124736e-a3c2-470d-b437-9ceffeaa5b4c.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8124736e-a3c2-470d-b437-9ceffeaa5b4c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/8124736e-a3c2-470d-b437-9ceffeaa5b4c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T21:20:00Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x36ef1ad7efe5e56b755a687a119abd7843d5ed52079255ee4c272aeb35870dc1","name":"Sergei Barracuda","registered_at":"2026-06-12T03:06:25Z","symbol":"NIM0167965","token_address":"0x027a0a571568fc957cef346ba5348f7f88e2d28c","type":"artist","uuid":"8124736e-a3c2-470d-b437-9ceffeaa5b4c"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36ef1ad7efe5e56b755a687a119abd7843d5ed52079255ee4c272aeb35870dc1. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8124736e-a3c2-470d-b437-9ceffeaa5b4c.json and https://artists.proofprofile.net/proofs/artist/8124736e-a3c2-470d-b437-9ceffeaa5b4c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
  text: {"copyright_id":"0x36ef1ad7efe5e56b755a687a119abd7843d5ed52079255ee4c272aeb35870dc1","name":"Sergei Barracuda","registered_at":"2026-06-12T03:06:25Z","symbol":"NIM0167965","token_address":"0x027a0a571568fc957cef346ba5348f7f88e2d28c","type":"artist","uuid":"8124736e-a3c2-470d-b437-9ceffeaa5b4c"}
album: Muny Global
  type: MusicAlbum
  date published: 2020-03-25
  track: Marathon
    type: MusicRecording
    duration: PT2M51S
    duration ms: 171755
    explicit: false
    by artist: iLuvMuny
    by artist: Sergei Barracuda
    in album: Muny Global
      type: MusicAlbum
      date published: 2020-03-25
    isrc code: QZD442000252
  track: One, Two
    type: MusicRecording
    duration: PT2M12S
    duration ms: 132730
    explicit: false
    by artist: iLuvMuny
    by artist: Sergei Barracuda
    in album: Muny Global
      type: MusicAlbum
      date published: 2020-03-25
    isrc code: QZD442000253
  track: No Limit
    type: MusicRecording
    duration: PT2M28S
    duration ms: 148730
    explicit: false
    by artist: iLuvMuny
    by artist: Sergei Barracuda
    in album: Muny Global
      type: MusicAlbum
      date published: 2020-03-25
    isrc code: QZD442000254
  track: Hot
    type: MusicRecording
    duration: PT1M34S
    duration ms: 94097
    explicit: false
    by artist: iLuvMuny
    by artist: Sergei Barracuda
    in album: Muny Global
      type: MusicAlbum
      date published: 2020-03-25
    isrc code: QZD442000255
  track: Making Moves
    type: MusicRecording
    duration: PT2M3S
    duration ms: 123288
    explicit: false
    by artist: iLuvMuny
    by artist: Sergei Barracuda
    in album: Muny Global
      type: MusicAlbum
      date published: 2020-03-25
    isrc code: QZD442000256
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-27T12:56:41+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xe16252cbcef710080519cceedaf89384725cbf87df48fef00aa2565a4994411b
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956349
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block/956349
    additional property: OTSRecordURL
      type: PropertyValue
      value: https://artists.proofprofile.net/proofs/track/56ucPisR8p0KATpjS2Ub5G.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/56ucPisR8p0KATpjS2Ub5G
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-02T11:34:59Z
    additional property: OTSCanonicalRecord
      type: PropertyValue
      value: {"copyright_id":"0xe16252cbcef710080519cceedaf89384725cbf87df48fef00aa2565a4994411b","isrc":"QZD442000256","name":"Making Moves","registered_at":"2026-06-27T12:56:41Z","spotify_id":"56ucPisR8p0KATpjS2Ub5G","type":"track"}
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe16252cbcef710080519cceedaf89384725cbf87df48fef00aa2565a4994411b. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/56ucPisR8p0KATpjS2Ub5G.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/56ucPisR8p0KATpjS2Ub5G.
      date published: 2026-07-02T11:34:59Z
      text: {"copyright_id":"0xe16252cbcef710080519cceedaf89384725cbf87df48fef00aa2565a4994411b","isrc":"QZD442000256","name":"Making Moves","registered_at":"2026-06-27T12:56:41Z","spotify_id":"56ucPisR8p0KATpjS2Ub5G","type":"track"}
  track: Bluefaces
    type: MusicRecording
    duration: PT2M20S
    duration ms: 140790
    explicit: false
    by artist: iLuvMuny
    by artist: Sergei Barracuda
    in album: Muny Global
      type: MusicAlbum
      date published: 2020-03-25
    isrc code: QZD442000257
album: Marathon
  type: MusicAlbum
  date published: 2020-03-20
  track: Marathon
    type: MusicRecording
    duration: PT2M41S
    duration ms: 161625
    explicit: false
    by artist: iLuvMuny
    by artist: Sergei Barracuda
    in album: Marathon
      type: MusicAlbum
      date published: 2020-03-20
    isrc code: QZD442000172
album: No Limit
  type: MusicAlbum
  date published: 2020-03-13
  track: No Limit
    type: MusicRecording
    duration: PT2M28S
    duration ms: 148730
    explicit: false
    by artist: iLuvMuny
    by artist: Sergei Barracuda
    in album: No Limit
      type: MusicAlbum
      date published: 2020-03-13
    isrc code: QZD442000190
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-26T11:03:23+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x9f5baf5909d6d1d47c229bc114e26801e18c551915902aded3a5b040908205cf
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956304
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block/956304
    additional property: OTSRecordURL
      type: PropertyValue
      value: https://artists.proofprofile.net/proofs/track/6oFsuWPMH7MWihJ7oOAk5e.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6oFsuWPMH7MWihJ7oOAk5e
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-02T03:55:08Z
    additional property: OTSCanonicalRecord
      type: PropertyValue
      value: {"copyright_id":"0x9f5baf5909d6d1d47c229bc114e26801e18c551915902aded3a5b040908205cf","isrc":"QZD442000190","name":"No Limit","registered_at":"2026-06-26T11:03:23Z","spotify_id":"6oFsuWPMH7MWihJ7oOAk5e","type":"track"}
    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
album: Růst & Prosperita
album: Produkt
album: Goodfellas
album: ASI TO TAK MALO BYŤ
album: Kila Zdarma (Mixtape)
album: Finesa
album: UZI
album: 713
album: Pouliční Ekonomická 2.5: Notorický Hustler
album: 713 až na věky
album: Medusa II
album: Poulicni Ekonomicka (Remastered)
album: Medusa
album: Pouliční Ekonomická 3: Láska & Loyalita (Deluxe Version)
album: Pouliční Ekonomická 3: Láska & Loyalita
album: Poulicni Ekonomicka II - Nechvalne Prosluly
album: Ostrava
album: Směj se teď
album: Jedináčik
album: Bouře
album: Prach (z filmu BANGER. – MATAMAR Remix)
album: Mr. Sergei B
album: Asteroidy
album: Láska je když...
album: Prach (z filmu BANGER.)
album: Jeď
album: Skúsenosti a názor
album: Budem se mít fajn
album: Numa Numa
album: Na Rohu
album: Karanténa
album: Baba Yaga
album: Legendární
album: Jezdec
album: Lebron (Hot16)
album: Jezebel
album: Had
track: Risk je zisk
track: A já vím proč
track: Nijagára
track: Mr. Sergei B
track: Láska je když...
track: Oblíbený interpret
track: Skončila Show
track: Asteroidy
track: Dobré ráno
track: Jeď
track: Vždy extra
track: Zůstane mezi náma
track: Policie zná moje jméno
track: Požehnán jako teď
track: Ty si to zasloužíš
track: U hranice
track: Bouře
track: Čistý Dope
track: Za všechno můžeme my
track: Himaláje II

OTSVerifyInstructions
type: PropertyValue
value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f5baf5909d6d1d47c229bc114e26801e18c551915902aded3a5b040908205cf. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6oFsuWPMH7MWihJ7oOAk5e.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6oFsuWPMH7MWihJ7oOAk5e.
date published: 2026-07-02T03:55:08Z
text: {"copyright_id":"0x9f5baf5909d6d1d47c229bc114e26801e18c551915902aded3a5b040908205cf","isrc":"QZD442000190","name":"No Limit","registered_at":"2026-06-26T11:03:23Z","spotify_id":"6oFsuWPMH7MWihJ7oOAk5e","type":"track"}

Růst & Prosperita
type: MusicAlbum
date published: 2023-06-28
track: Dobré ráno
  type: MusicRecording
  duration: PT2M44S
  duration ms: 164897
  explicit: false
  by artist: Sergei Barracuda
  in album: Růst & Prosperita
    type: MusicAlbum
    date published: 2023-06-28
  isrc code: QZMEM2361409
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T07:34:32+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xbdaecb4e19d2060a0835eb1b6f6dd9cb423abfeaf8b9d50f60166b1a4f1fd6b6
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/6dTzI8pj64HisoXyVnMfGK.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6dTzI8pj64HisoXyVnMfGK
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xbdaecb4e19d2060a0835eb1b6f6dd9cb423abfeaf8b9d50f60166b1a4f1fd6b6","isrc":"QZMEM2361409","name":"Dobré ráno","registered_at":"2026-06-09T07:34:32Z","spotify_id":"6dTzI8pj64HisoXyVnMfGK","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbdaecb4e19d2060a0835eb1b6f6dd9cb423abfeaf8b9d50f60166b1a4f1fd6b6. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6dTzI8pj64HisoXyVnMfGK.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6dTzI8pj64HisoXyVnMfGK.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0xbdaecb4e19d2060a0835eb1b6f6dd9cb423abfeaf8b9d50f60166b1a4f1fd6b6","isrc":"QZMEM2361409","name":"Dobré ráno","registered_at":"2026-06-09T07:34:32Z","spotify_id":"6dTzI8pj64HisoXyVnMfGK","type":"track"}
track: A já vím proč
  type: MusicRecording
  duration: PT3M12S
  duration ms: 192000
  explicit: false
  by artist: Sergei Barracuda
  in album: Růst & Prosperita
    type: MusicAlbum
    date published: 2023-06-28
  isrc code: QZMEM2361410
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T17:11:33+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xdeed04d2cb8f4f8da674eeebfa25e59548e7d6a0994c728a7e18b96bcdfad075
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/55pbHBVAiagyXvJaP5weyG.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/55pbHBVAiagyXvJaP5weyG
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xdeed04d2cb8f4f8da674eeebfa25e59548e7d6a0994c728a7e18b96bcdfad075","isrc":"QZMEM2361410","name":"A já vím proč","registered_at":"2026-06-06T17:11:33Z","spotify_id":"55pbHBVAiagyXvJaP5weyG","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdeed04d2cb8f4f8da674eeebfa25e59548e7d6a0994c728a7e18b96bcdfad075. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/55pbHBVAiagyXvJaP5weyG.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/55pbHBVAiagyXvJaP5weyG.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0xdeed04d2cb8f4f8da674eeebfa25e59548e7d6a0994c728a7e18b96bcdfad075","isrc":"QZMEM2361410","name":"A já vím proč","registered_at":"2026-06-06T17:11:33Z","spotify_id":"55pbHBVAiagyXvJaP5weyG","type":"track"}
track: Nijagára
  type: MusicRecording
  duration: PT3M7S
  duration ms: 187058
  explicit: false
  by artist: Sergei Barracuda
  by artist: Smack One
  in album: Růst & Prosperita
    type: MusicAlbum
    date published: 2023-06-28
  isrc code: QZMEM2361411
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T12:03:23+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x35130383bd6ac75a8f5457f3a14ccfa1bf81567e10aeca6be8ddad4d3b91e3ef
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/0mOk2t36d9CYrUkPq9hKuh.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0mOk2t36d9CYrUkPq9hKuh
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x35130383bd6ac75a8f5457f3a14ccfa1bf81567e10aeca6be8ddad4d3b91e3ef","isrc":"QZMEM2361411","name":"Nijagára","registered_at":"2026-06-08T12:03:23Z","spotify_id":"0mOk2t36d9CYrUkPq9hKuh","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35130383bd6ac75a8f5457f3a14ccfa1bf81567e10aeca6be8ddad4d3b91e3ef. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0mOk2t36d9CYrUkPq9hKuh.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0mOk2t36d9CYrUkPq9hKuh.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x35130383bd6ac75a8f5457f3a14ccfa1bf81567e10aeca6be8ddad4d3b91e3ef","isrc":"QZMEM2361411","name":"Nijagára","registered_at":"2026-06-08T12:03:23Z","spotify_id":"0mOk2t36d9CYrUkPq9hKuh","type":"track"}
track: Oblíbený interpret
  type: MusicRecording
  duration: PT3M1S
  duration ms: 181894
  explicit: false
  by artist: Sergei Barracuda
  in album: Růst & Prosperita
    type: MusicAlbum
    date published: 2023-06-28
  isrc code: QZMEM2361412
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T12:04:44+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7d8e66ae3c9398f2d3b19501f1a49685e00b12440f299f789b0ade2d97fd10cb
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/7Aok4L38SN4Jj99j6TsZ8c.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7Aok4L38SN4Jj99j6TsZ8c
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x7d8e66ae3c9398f2d3b19501f1a49685e00b12440f299f789b0ade2d97fd10cb","isrc":"QZMEM2361412","name":"Oblíbený interpret","registered_at":"2026-06-08T12:04:44Z","spotify_id":"7Aok4L38SN4Jj99j6TsZ8c","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d8e66ae3c9398f2d3b19501f1a49685e00b12440f299f789b0ade2d97fd10cb. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7Aok4L38SN4Jj99j6TsZ8c.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7Aok4L38SN4Jj99j6TsZ8c.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0x7d8e66ae3c9398f2d3b19501f1a49685e00b12440f299f789b0ade2d97fd10cb","isrc":"QZMEM2361412","name":"Oblíbený interpret","registered_at":"2026-06-08T12:04:44Z","spotify_id":"7Aok4L38SN4Jj99j6TsZ8c","type":"track"}
track: Čistý Dope
  type: MusicRecording
  duration: PT2M58S
  duration ms: 178983
  explicit: false
  by artist: Sergei Barracuda
  by artist: Block 125
  in album: Růst & Prosperita
  isrc code: QZMEM2361413
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSRecordURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
track: Asteroidy
track: Požehnán jako teď
track: Ty si to zasloužíš
track: Jeď
track: Zůstane mezi náma
track: Láska je když...
track: Bouře
track: Mr. Sergei B
track: U hranice
track: Himaláje II
track: Vždy extra

Block 125
type: MusicGroup

Růst & Prosperita
type: MusicAlbum
date published: 2023-06-28

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-18T00:17:47+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xb202c80ef3cfad6806f129b0fd7bac5e7766d757443554d9d58a727cbc83a7b6

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956302

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/956302

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/3tNihrbyUQ548pvRHMWtik.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3tNihrbyUQ548pvRHMWtik

OTSTimestamp
type: PropertyValue
value: 2026-07-02T03:30:09Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0xb202c80ef3cfad6806f129b0fd7bac5e7766d757443554d9d58a727cbc83a7b6","isrc":"QZMEM2361413","name":"Čistý Dope","registered_at":"2026-06-18T00:17:47Z","spotify_id":"3tNihrbyUQ548pvRHMWtik","type":"track"}

OTSVerifyInstructions
type: PropertyValue
value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb202c80ef3cfad6806f129b0fd7bac5e7766d757443554d9d58a727cbc83a7b6. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3tNihrbyUQ548pvRHMWtik.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3tNihrbyUQ548pvRHMWtik.
date published: 2026-07-02T03:30:09Z
text: {"copyright_id":"0xb202c80ef3cfad6806f129b0fd7bac5e7766d757443554d9d58a727cbc83a7b6","isrc":"QZMEM2361413","name":"Čistý Dope","registered_at":"2026-06-18T00:17:47Z","spotify_id":"3tNihrbyUQ548pvRHMWtik","type":"track"}

Asteroidy
type: MusicRecording
duration: PT3M51S
duration ms: 231310
explicit: false
by artist: Sergei Barracuda
by artist: Rollsout
in album: Růst & Prosperita
  type: MusicAlbum
  date published: 2023-06-28
isrc code: QZTAT2297409
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T12:01:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x67399dc19af45cca32f11f39e6cd4331c5003a44352d6399466b128e611af38d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/32LNx7hBZ2aLZJmYkXqZrU.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/32LNx7hBZ2aLZJmYkXqZrU
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67399dc19af45cca32f11f39e6cd4331c5003a44352d6399466b128e611af38d. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/32LNx7hBZ2aLZJmYkXqZrU.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/32LNx7hBZ2aLZJmYkXqZrU.
  date published: 2026-06-13T15:41:10Z

Požehnán jako teď
type: MusicRecording
duration: PT3M21S
duration ms: 201904
explicit: false
by artist: Sergei Barracuda
by artist: Ektor
in album: Růst & Prosperita
  type: MusicAlbum
  date published: 2023-06-28
isrc code: QZMEM2361414
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T17:24:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe997f5c36e48c1c7f3aa44b9046deb93bc6348f86eae321a2b5377907f25f909
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5ewCUgSVdIRenjqP59ObGn.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5ewCUgSVdIRenjqP59ObGn
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe997f5c36e48c1c7f3aa44b9046deb93bc6348f86eae321a2b5377907f25f909","isrc":"QZMEM2361414","name":"Požehnán jako teď","registered_at":"2026-06-09T17:24:05Z","spotify_id":"5ewCUgSVdIRenjqP59ObGn","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe997f5c36e48c1c7f3aa44b9046deb93bc6348f86eae321a2b5377907f25f909. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5ewCUgSVdIRenjqP59ObGn.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5ewCUgSVdIRenjqP59ObGn.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0xe997f5c36e48c1c7f3aa44b9046deb93bc6348f86eae321a2b5377907f25f909","isrc":"QZMEM2361414","name":"Požehnán jako teď","registered_at":"2026-06-09T17:24:05Z","spotify_id":"5ewCUgSVdIRenjqP59ObGn","type":"track"}

Ty si to zasloužíš
type: MusicRecording
duration: PT2M59S
duration ms: 179649
explicit: false
by artist: Sergei Barracuda
by artist: Dollar Prync
in album: Růst & Prosperita
  type: MusicAlbum
  date published: 2023-06-28
isrc code: QZMEM2361415
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T17:04:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3705a1b102c20d23f5d008cc7cbd32f913a049623ac1764f3f5948bdb448adc1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1OyOE1G6ETPnu71cPfNHLW.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1OyOE1G6ETPnu71cPfNHLW
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x3705a1b102c20d23f5d008cc7cbd32f913a049623ac1764f3f5948bdb448adc1","isrc":"QZMEM2361415","name":"Ty si to zasloužíš","registered_at":"2026-06-10T17:04:10Z","spotify_id":"1OyOE1G6ETPnu71cPfNHLW","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3705a1b102c20d23f5d008cc7cbd32f913a049623ac1764f3f5948bdb448adc1. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1OyOE1G6ETPnu71cPfNHLW.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1OyOE1G6ETPnu71cPfNHLW.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x3705a1b102c20d23f5d008cc7cbd32f913a049623ac1764f3f5948bdb448adc1","isrc":"QZMEM2361415","name":"Ty si to zasloužíš","registered_at":"2026-06-10T17:04:10Z","spotify_id":"1OyOE1G6ETPnu71cPfNHLW","type":"track"}

Jeď
type: MusicRecording
duration: PT3M13S
duration ms: 193056
explicit: false
by artist: Sergei Barracuda
in album: Růst & Prosperita
  type: MusicAlbum
  date published: 2023-06-28
isrc code: QZNWS2244346
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T20:01:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x47498a62a160729afa21ec0e5bf3f62f26995f1d218c8efb9d6790403938c178
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6kGDeZ2hNwTEMtzw3D6wEC.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6kGDeZ2hNwTEMtzw3D6wEC
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x47498a62a160729afa21ec0e5bf3f62f26995f1d218c8efb9d6790403938c178","isrc":"QZNWS2244346","name":"Jeď","registered_at":"2026-06-08T20:01:33Z","spotify_id":"6kGDeZ2hNwTEMtzw3D6wEC","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47498a62a160729afa21ec0e5bf3f62f26995f1d218c8efb9d6790403938c178. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6kGDeZ2hNwTEMtzw3D6wEC.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6kGDeZ2hNwTEMtzw3D6wEC.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x47498a62a160729afa21ec0e5bf3f62f26995f1d218c8efb9d6790403938c178","isrc":"QZNWS2244346","name":"Jeď","registered_at":"2026-06-08T20:01:33Z","spotify_id":"6kGDeZ2hNwTEMtzw3D6wEC","type":"track"}

Zůstane mezi náma
type: MusicRecording
duration: PT2M28S
duration ms: 148114
explicit: false
by artist: Sergei Barracuda
by artist: Saimonsa
in album: Růst & Prosperita
  type: MusicAlbum
  date published: 2023-06-28
isrc code: QZMEM2361416
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T17:16:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1c9c8105208c1fc1d4ebae5848c5ae995bef130472222214733404727c1bbc9a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2z5tGNXC6QBRitftiTZOcS.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2z5tGNXC6QBRitftiTZOcS
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1c9c8105208c1fc1d4ebae5848c5ae995bef130472222214733404727c1bbc9a","isrc":"QZMEM2361416","name":"Zůstane mezi náma","registered_at":"2026-06-10T17:16:45Z","spotify_id":"2z5tGNXC6QBRitftiTZOcS","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c9c8105208c1fc1d4ebae5848c5ae995bef130472222214733404727c1bbc9a. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2z5tGNXC6QBRitftiTZOcS.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2z5tGNXC6QBRitftiTZOcS.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x1c9c8105208c1fc1d4ebae5848c5ae995bef130472222214733404727c1bbc9a","isrc":"QZMEM2361416","name":"Zůstane mezi náma","registered_at":"2026-06-10T17:16:45Z","spotify_id":"2z5tGNXC6QBRitftiTZOcS","type":"track"}

Láska je když...
type: MusicRecording
duration: PT3M12S
duration ms: 192328
explicit: false
by artist: Sergei Barracuda
in album: Růst & Prosperita
  type: MusicAlbum
  date published: 2023-06-28
isrc code: QZNWX2274253
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T10:28:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd11dcc0ea4c82f666fcf65270f1f3d5f6d9e20761012a0b70b92ec66fda1a5af
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5NtIDz2LFEtiPHNPjG2ENh.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5NtIDz2LFEtiPHNPjG2ENh
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd11dcc0ea4c82f666fcf65270f1f3d5f6d9e20761012a0b70b92ec66fda1a5af","isrc":"QZNWX2274253","name":"Láska je když...","registered_at":"2026-06-06T10:28:10Z","spotify_id":"5NtIDz2LFEtiPHNPjG2ENh","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd11dcc0ea4c82f666fcf65270f1f3d5f6d9e20761012a0b70b92ec66fda1a5af. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5NtIDz2LFEtiPHNPjG2ENh.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5NtIDz2LFEtiPHNPjG2ENh.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0xd11dcc0ea4c82f666fcf65270f1f3d5f6d9e20761012a0b70b92ec66fda1a5af","isrc":"QZNWX2274253","name":"Láska je když...","registered_at":"2026-06-06T10:28:10Z","spotify_id":"5NtIDz2LFEtiPHNPjG2ENh","type":"track"}

Bouře
type: MusicRecording
duration: PT3M16S
duration ms: 196363
explicit: false
by artist: Sergei Barracuda
in album: Růst & Prosperita
  type: MusicAlbum
  date published: 2023-06-28
isrc code: QZHN92375151
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T00:17:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x317aa90df567d607cd0dfdc0aa0b376f210990f484ba8aeb71ec4bdb32763463
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1AormYWhh54nMlYUQtUMuH.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1AormYWhh54nMlYUQtUMuH
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x317aa90df567d607cd0dfdc0aa0b376f210990f484ba8aeb71ec4bdb32763463","isrc":"QZHN92375151","name":"Bouře","registered_at":"2026-06-18T00:17:33Z","spotify_id":"1AormYWhh54nMlYUQtUMuH","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x317aa90df567d607cd0dfdc0aa0b376f210990f484ba8aeb71ec4bdb32763463. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1AormYWhh54nMlYUQtUMuH.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1AormYWhh54nMlYUQtUMuH.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x317aa90df567d607cd0dfdc0aa0b376f210990f484ba8aeb71ec4bdb32763463","isrc":"QZHN92375151","name":"Bouře","registered_at":"2026-06-18T00:17:33Z","spotify_id":"1AormYWhh54nMlYUQtUMuH","type":"track"}

Mr. Sergei B
type: MusicRecording
duration: PT3M3S
duration ms: 183430
explicit: false
by artist: Sergei Barracuda
in album: Růst & Prosperita
  type: MusicAlbum
  date published: 2023-06-28
isrc code: QZFZ22383611
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T19:57:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3c691e72787dd3e89d78ade6f17a894c7823c7bd9be63da963e6e687dcb3de7d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953515
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6UpWzHz28O4CoIgrsynXU7.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6UpWzHz28O4CoIgrsynXU7
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x3c691e72787dd3e89d78ade6f17a894c7823c7bd9be63da963e6e687dcb3de7d","isrc":"QZFZ22383611","name":"Mr. Sergei B","registered_at":"2026-06-07T19:57:06Z","spotify_id":"6UpWzHz28O4CoIgrsynXU7","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c691e72787dd3e89d78ade6f17a894c7823c7bd9be63da963e6e687dcb3de7d. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6UpWzHz28O4CoIgrsynXU7.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6UpWzHz28O4CoIgrsynXU7.
  date published: 2026-06-13T12:53:06Z
  text: {"copyright_id":"0x3c691e72787dd3e89d78ade6f17a894c7823c7bd9be63da963e6e687dcb3de7d","isrc":"QZFZ22383611","name":"Mr. Sergei B","registered_at":"2026-06-07T19:57:06Z","spotify_id":"6UpWzHz28O4CoIgrsynXU7","type":"track"}

U hranice
type: MusicRecording
duration: PT4M0S
duration ms: 240000
explicit: false
by artist: Sergei Barracuda
by artist: Palermo
in album: Růst & Prosperita
  type: MusicAlbum
  date published: 2023-06-28
isrc code: QZMEM2361417
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T03:46:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4719e80907bba404f848a83771f2863be4846f5f9333367d80df566549873fb7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/71WcVZlesr18sm8ZX1LnFk.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/71WcVZlesr18sm8ZX1LnFk
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4719e80907bba404f848a83771f2863be4846f5f9333367d80df566549873fb7","isrc":"QZMEM2361417","name":"U hranice","registered_at":"2026-06-10T03:46:22Z","spotify_id":"71WcVZlesr18sm8ZX1LnFk","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4719e80907bba404f848a83771f2863be4846f5f9333367d80df566549873fb7. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/71WcVZlesr18sm8ZX1LnFk.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/71WcVZlesr18sm8ZX1LnFk.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x4719e80907bba404f848a83771f2863be4846f5f9333367d80df566549873fb7","isrc":"QZMEM2361417","name":"U hranice","registered_at":"2026-06-10T03:46:22Z","spotify_id":"71WcVZlesr18sm8ZX1LnFk","type":"track"}

Himaláje II
type: MusicRecording
duration: PT3M0S
duration ms: 180923
explicit: false
by artist: Sergei Barracuda
by artist: sak10denz
in album: Růst & Prosperita
  type: MusicAlbum
  date published: 2023-06-28
isrc code: QZMEM2361418
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T14:50:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb1d6e13401b63bf34225ba2a541f26866b0fe82d281f80450b3c6d213a448297
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/66v8illjhLGPqyTmJCQtab.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/66v8illjhLGPqyTmJCQtab
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb1d6e13401b63bf34225ba2a541f26866b0fe82d281f80450b3c6d213a448297","isrc":"QZMEM2361418","name":"Himaláje II","registered_at":"2026-06-18T14:50:33Z","spotify_id":"66v8illjhLGPqyTmJCQtab","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1d6e13401b63bf34225ba2a541f26866b0fe82d281f80450b3c6d213a448297. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/66v8illjhLGPqyTmJCQtab.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/66v8illjhLGPqyTmJCQtab.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xb1d6e13401b63bf34225ba2a541f26866b0fe82d281f80450b3c6d213a448297","isrc":"QZMEM2361418","name":"Himaláje II","registered_at":"2026-06-18T14:50:33Z","spotify_id":"66v8illjhLGPqyTmJCQtab","type":"track"}

Vždy extra
type: MusicRecording
duration: PT3M37S
duration ms: 217815
explicit: false
by artist: Sergei Barracuda
by artist: Dokkeytino
by artist: Peyseyko808
in album: Růst & Prosperita
  type: MusicAlbum
  date published: 2023-06-28
isrc code: QZMEM2361419
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T17:23:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x882209edf89c0e78f1237c6953496b016e1281eefbfb411c5d77a0a85ad094a7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2leHPv6sFBadT0HDegV7Wj.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2leHPv6sFBadT0HDegV7Wj
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x882209edf89c0e78f1237c6953496b016e1281eefbfb411c5d77a0a85ad094a7","isrc":"QZMEM2361419","name":"Vždy extra","registered_at":"2026-06-09T17:23:41Z","spotify_id":"2leHPv6sFBadT0HDegV7Wj","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x882209edf89c0e78f1237c6953496b016e1281eefbfb411c5d77a0a85ad094a7. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2leHPv6sFBadT0HDegV7Wj.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2leHPv6sFBadT0HDegV7Wj.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x882209edf89c0e78f1237c6953496b016e1281eefbfb411c5d77a0a85ad094a7","isrc":"QZMEM2361419","name":"Vždy extra","registered_at":"2026-06-09T17:23:41Z","spotify_id":"2leHPv6sFBadT0HDegV7Wj","type":"track"}

Produkt
type: MusicAlbum
date published: 2021-01-11
track: Doopravdy
  type: MusicRecording
  duration: PT3M14S
  duration ms: 194630
  explicit: false
  by artist: Sergei Barracuda
  in album: Produkt
    type: MusicAlbum
    date published: 2021-01-11
  isrc code: QZNWV2096529
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-18T04:31:47+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x15422eedfade7c83e83452e02c2c5819e452fb79903d5088ea2a55bf762cff34
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956302
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/2Nz2HV3PQ3ggycxXDb7diS.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2Nz2HV3PQ3ggycxXDb7diS
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15422eedfade7c83e83452e02c2c5819e452fb79903d5088ea2a55bf762cff34. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2Nz2HV3PQ3ggycxXDb7diS.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2Nz2HV3PQ3ggycxXDb7diS.
    date published: 2026-07-02T03:30:09Z
track: Na Rohu
  type: MusicRecording
  duration: PT4M13S
  duration ms: 253277
  explicit: false
  by artist: Sergei Barracuda
  by artist: VI Deck
  in album: Produkt
    type: MusicAlbum
    date published: 2021-01-11
  isrc code: QZNWV2047747
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-11T16:14:41+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x93425bc555b0feed9a176ccc4f9072f51c5a7254dd38d6e6df19d4db5bc3b57b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953520
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953520
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/3na9F6b49TpyfUasPY4hUm.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3na9F6b49TpyfUasPY4hUm
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x93425bc555b0feed9a176ccc4f9072f51c5a7254dd38d6e6df19d4db5bc3b57b","isrc":"QZNWV2047747","name":"Na Rohu","registered_at":"2026-06-11T16:14:41Z","spotify_id":"3na9F6b49TpyfUasPY4hUm","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93425bc555b0feed9a176ccc4f9072f51c5a7254dd38d6e6df19d4db5bc3b57b. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3na9F6b49TpyfUasPY4hUm.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3na9F6b49TpyfUasPY4hUm.
    date published: 2026-06-13T13:32:09Z
    text: {"copyright_id":"0x93425bc555b0feed9a176ccc4f9072f51c5a7254dd38d6e6df19d4db5bc3b57b","isrc":"QZNWV2047747","name":"Na Rohu","registered_at":"2026-06-11T16:14:41Z","spotify_id":"3na9F6b49TpyfUasPY4hUm","type":"track"}
track: Hit
  type: MusicRecording
  duration: PT3M16S
  duration ms: 196659
  explicit: false
  by artist: Sergei Barracuda
  by artist: Hard Rico
  in album: Produkt
    type: MusicAlbum
    date published: 2021-01-11
  isrc code: QZNWV2096530
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T09:52:37+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4da22b1f93e7d50539293bf74199e67a25688d8f092ce29934c3db8c9c1ff9f9
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/54JlLVwpVAhMHzLyN5kKzm.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/54JlLVwpVAhMHzLyN5kKzm
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4da22b1f93e7d50539293bf74199e67a25688d8f092ce29934c3db8c9c1ff9f9. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/54JlLVwpVAhMHzLyN5kKzm.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/54JlLVwpVAhMHzLyN5kKzm.
    date published: 2026-06-13T15:41:10Z
track: Eazy Money
  type: MusicRecording
  duration: PT3M10S
  duration ms: 190120
  explicit: false
  by artist: Sergei Barracuda
  by artist: Hard Rico
  in album: Produkt
    type: MusicAlbum
    date published: 2021-01-11
  isrc code: QZNWV2096531
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T21:27:23+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe0b69cc03fa7a7b2e2714db27645956b66a4736e5bdf68f0c5ed71726a9c7560
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/0zOx82Qip9sRlg3mr3StAh.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0zOx82Qip9sRlg3mr3StAh
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xe0b69cc03fa7a7b2e2714db27645956b66a4736e5bdf68f0c5ed71726a9c7560","isrc":"QZNWV2096531","name":"Eazy Money","registered_at":"2026-06-07T21:27:23Z","spotify_id":"0zOx82Qip9sRlg3mr3StAh","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0b69cc03fa7a7b2e2714db27645956b66a4736e5bdf68f0c5ed71726a9c7560. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0zOx82Qip9sRlg3mr3StAh.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0zOx82Qip9sRlg3mr3StAh.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0xe0b69cc03fa7a7b2e2714db27645956b66a4736e5bdf68f0c5ed71726a9c7560","isrc":"QZNWV2096531","name":"Eazy Money","registered_at":"2026-06-07T21:27:23Z","spotify_id":"0zOx82Qip9sRlg3mr3StAh","type":"track"}
track: Christina
  type: MusicRecording
  duration: PT3M16S
  duration ms: 196000
  explicit: false
  by artist: Sergei Barracuda
  in album: Produkt
    type: MusicAlbum
    date published: 2021-01-11
  isrc code: QZNWV2096532
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSRecordURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
track: V Kalendáři
track: Babiš
track: Marie a Karolína
track: Ze Čtvrti
track: Baba Yaga
track: Lebron (Hot16)

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-09T19:42:12+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xc280f3dbde0ff651b4c69c4de83caa2341b2a1b7b5f24c2c59f42cb19dd92589

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 953528

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/953528

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/1t9lr6nKudwwv3LSUXkVO6.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1t9lr6nKudwwv3LSUXkVO6

OTSTimestamp
type: PropertyValue
value: 2026-06-13T15:41:10Z

OTSCanonicalRecord
type: PropertyValue

OTSVerifyInstructions
type: PropertyValue
value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc280f3dbde0ff651b4c69c4de83caa2341b2a1b7b5f24c2c59f42cb19dd92589. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1t9lr6nKudwwv3LSUXkVO6.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1t9lr6nKudwwv3LSUXkVO6.
date published: 2026-06-13T15:41:10Z

V Kalendáři
type: MusicRecording
duration: PT3M14S
duration ms: 194233
explicit: false
by artist: Sergei Barracuda
by artist: Shimmi
in album: Produkt
  type: MusicAlbum
  date published: 2021-01-11
isrc code: QZNWV2096533
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T01:15:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcd3105390912ce8a6a201627286b99d8ee20564a71bc07379fec52ffb04ad524
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5Wr2MZG0hfEuJ7lW1ZMjkR.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5Wr2MZG0hfEuJ7lW1ZMjkR
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xcd3105390912ce8a6a201627286b99d8ee20564a71bc07379fec52ffb04ad524","isrc":"QZNWV2096533","name":"V Kalendáři","registered_at":"2026-06-10T01:15:13Z","spotify_id":"5Wr2MZG0hfEuJ7lW1ZMjkR","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd3105390912ce8a6a201627286b99d8ee20564a71bc07379fec52ffb04ad524. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5Wr2MZG0hfEuJ7lW1ZMjkR.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5Wr2MZG0hfEuJ7lW1ZMjkR.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xcd3105390912ce8a6a201627286b99d8ee20564a71bc07379fec52ffb04ad524","isrc":"QZNWV2096533","name":"V Kalendáři","registered_at":"2026-06-10T01:15:13Z","spotify_id":"5Wr2MZG0hfEuJ7lW1ZMjkR","type":"track"}

Babiš
type: MusicRecording
duration: PT3M23S
duration ms: 203417
explicit: false
by artist: Sergei Barracuda
by artist: Daweed Hustle
in album: Produkt
  type: MusicAlbum
  date published: 2021-01-11
isrc code: QZNWV2096534
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T20:13:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x97b7236db5c156d17a33d747ebc91cd47319a05f5188115fe2e3ce7e36541179
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4xLqciIR8rqklal182s7Sj.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4xLqciIR8rqklal182s7Sj
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x97b7236db5c156d17a33d747ebc91cd47319a05f5188115fe2e3ce7e36541179","isrc":"QZNWV2096534","name":"Babiš","registered_at":"2026-06-10T20:13:36Z","spotify_id":"4xLqciIR8rqklal182s7Sj","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97b7236db5c156d17a33d747ebc91cd47319a05f5188115fe2e3ce7e36541179. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4xLqciIR8rqklal182s7Sj.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4xLqciIR8rqklal182s7Sj.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x97b7236db5c156d17a33d747ebc91cd47319a05f5188115fe2e3ce7e36541179","isrc":"QZNWV2096534","name":"Babiš","registered_at":"2026-06-10T20:13:36Z","spotify_id":"4xLqciIR8rqklal182s7Sj","type":"track"}

Marie a Karolína
type: MusicRecording
duration: PT3M5S
duration ms: 185946
explicit: false
by artist: Sergei Barracuda
by artist: Dollar Prync
in album: Produkt
  type: MusicAlbum
  date published: 2021-01-11
isrc code: QZNWV2096535
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T19:40:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xed5484841eb5271a5016413c00b93e971e903526dd0d8df05d29fce66d769dbb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0bu4ip62cMFHnf5lnicH1X.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0bu4ip62cMFHnf5lnicH1X
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xed5484841eb5271a5016413c00b93e971e903526dd0d8df05d29fce66d769dbb","isrc":"QZNWV2096535","name":"Marie a Karolína","registered_at":"2026-06-09T19:40:28Z","spotify_id":"0bu4ip62cMFHnf5lnicH1X","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed5484841eb5271a5016413c00b93e971e903526dd0d8df05d29fce66d769dbb. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0bu4ip62cMFHnf5lnicH1X.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0bu4ip62cMFHnf5lnicH1X.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xed5484841eb5271a5016413c00b93e971e903526dd0d8df05d29fce66d769dbb","isrc":"QZNWV2096535","name":"Marie a Karolína","registered_at":"2026-06-09T19:40:28Z","spotify_id":"0bu4ip62cMFHnf5lnicH1X","type":"track"}

Ze Čtvrti
type: MusicRecording
duration: PT3M29S
duration ms: 209160
explicit: false
by artist: Sergei Barracuda
by artist: Hard Rico
in album: Produkt
  type: MusicAlbum
  date published: 2021-01-11
isrc code: QZNWV2096536
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T13:50:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe95844a9778c4bb3b90804034abb8b54de9f2557ea537085fcf98ad2584ed3b5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/351MhIU6pyD4vW7890ysmf.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/351MhIU6pyD4vW7890ysmf
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe95844a9778c4bb3b90804034abb8b54de9f2557ea537085fcf98ad2584ed3b5","isrc":"QZNWV2096536","name":"Ze Čtvrti","registered_at":"2026-06-08T13:50:34Z","spotify_id":"351MhIU6pyD4vW7890ysmf","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe95844a9778c4bb3b90804034abb8b54de9f2557ea537085fcf98ad2584ed3b5. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/351MhIU6pyD4vW7890ysmf.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/351MhIU6pyD4vW7890ysmf.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xe95844a9778c4bb3b90804034abb8b54de9f2557ea537085fcf98ad2584ed3b5","isrc":"QZNWV2096536","name":"Ze Čtvrti","registered_at":"2026-06-08T13:50:34Z","spotify_id":"351MhIU6pyD4vW7890ysmf","type":"track"}

Baba Yaga
type: MusicRecording
duration: PT3M1S
duration ms: 181267
explicit: false
by artist: Sergei Barracuda
in album: Produkt
  type: MusicAlbum
  date published: 2021-01-11
isrc code: QZNWV2096537
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T04:58:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6ae6b1beabdae9205898401f9fdf529a9a8cc48fb83011abb32b71fb41a861d2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3xYbDvA8YjxovVX9XwytVr.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3xYbDvA8YjxovVX9XwytVr
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6ae6b1beabdae9205898401f9fdf529a9a8cc48fb83011abb32b71fb41a861d2","isrc":"QZNWV2096537","name":"Baba Yaga","registered_at":"2026-06-08T04:58:04Z","spotify_id":"3xYbDvA8YjxovVX9XwytVr","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ae6b1beabdae9205898401f9fdf529a9a8cc48fb83011abb32b71fb41a861d2. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3xYbDvA8YjxovVX9XwytVr.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3xYbDvA8YjxovVX9XwytVr.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x6ae6b1beabdae9205898401f9fdf529a9a8cc48fb83011abb32b71fb41a861d2","isrc":"QZNWV2096537","name":"Baba Yaga","registered_at":"2026-06-08T04:58:04Z","spotify_id":"3xYbDvA8YjxovVX9XwytVr","type":"track"}

Lebron (Hot16)
type: MusicRecording
duration: PT2M58S
duration ms: 178161
explicit: false
by artist: Sergei Barracuda
in album: Produkt
  type: MusicAlbum
  date published: 2021-01-11
isrc code: QZNWV2096538
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T11:56:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x090b77345b140add398942e6a9feca09189843cf4189c45ed5608b8e7cc649f2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3VkSeDmpbwQApAvgnsBOLW.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3VkSeDmpbwQApAvgnsBOLW
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x090b77345b140add398942e6a9feca09189843cf4189c45ed5608b8e7cc649f2","isrc":"QZNWV2096538","name":"Lebron (Hot16)","registered_at":"2026-06-18T11:56:56Z","spotify_id":"3VkSeDmpbwQApAvgnsBOLW","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x090b77345b140add398942e6a9feca09189843cf4189c45ed5608b8e7cc649f2. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3VkSeDmpbwQApAvgnsBOLW.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3VkSeDmpbwQApAvgnsBOLW.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x090b77345b140add398942e6a9feca09189843cf4189c45ed5608b8e7cc649f2","isrc":"QZNWV2096538","name":"Lebron (Hot16)","registered_at":"2026-06-18T11:56:56Z","spotify_id":"3VkSeDmpbwQApAvgnsBOLW","type":"track"}

Goodfellas
type: MusicAlbum
date published: 2023-11-11
track: Na jeden dech
  type: MusicRecording
  duration: PT4M16S
  duration ms: 256000
  explicit: false
  by artist: Sergei Barracuda
  by artist: Palermo
  in album: Goodfellas
    type: MusicAlbum
    date published: 2023-11-11
  isrc code: QZTBC2383633
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T12:01:06+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xea5068fa977951751d735b3c907d80a4d021e30899e212cb3db4447035e90376
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/1pPJygc1iQahs4rtEoGIz4.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1pPJygc1iQahs4rtEoGIz4
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xea5068fa977951751d735b3c907d80a4d021e30899e212cb3db4447035e90376","isrc":"QZTBC2383633","name":"Na jeden dech","registered_at":"2026-06-08T12:01:06Z","spotify_id":"1pPJygc1iQahs4rtEoGIz4","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea5068fa977951751d735b3c907d80a4d021e30899e212cb3db4447035e90376. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1pPJygc1iQahs4rtEoGIz4.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1pPJygc1iQahs4rtEoGIz4.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0xea5068fa977951751d735b3c907d80a4d021e30899e212cb3db4447035e90376","isrc":"QZTBC2383633","name":"Na jeden dech","registered_at":"2026-06-08T12:01:06Z","spotify_id":"1pPJygc1iQahs4rtEoGIz4","type":"track"}
track: Goodfellas
  type: MusicRecording
  duration: PT2M42S
  duration ms: 162000
  explicit: false
  by artist: Sergei Barracuda
  by artist: Palermo
  in album: Goodfellas
    type: MusicAlbum
    date published: 2023-11-11
  isrc code: QZTBC2383634
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T03:50:56+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7303a6c2dca87b90720fc4fcadb02738c441dbb90693a263c53b9f56888c1a49
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953520
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953520
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/2znJF5oXA07z716JuHrlqF.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2znJF5oXA07z716JuHrlqF
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7303a6c2dca87b90720fc4fcadb02738c441dbb90693a263c53b9f56888c1a49. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2znJF5oXA07z716JuHrlqF.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2znJF5oXA07z716JuHrlqF.
    date published: 2026-06-13T13:32:09Z
track: Gucci manžetové knoflíky
  type: MusicRecording
  duration: PT3M41S
  duration ms: 221538
  explicit: false
  by artist: Sergei Barracuda
  by artist: Palermo
  in album: Goodfellas
    type: MusicAlbum
    date published: 2023-11-11
  isrc code: QZTBC2383635
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T07:33:34+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x817d36e4bad6cecf7670aec3b2e3e8c61e33022ab7d84705a103f23f76098fd3
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/52rAYIWon6PcbaoybpNetm.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/52rAYIWon6PcbaoybpNetm
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x817d36e4bad6cecf7670aec3b2e3e8c61e33022ab7d84705a103f23f76098fd3","isrc":"QZTBC2383635","name":"Gucci manžetové knoflíky","registered_at":"2026-06-09T07:33:34Z","spotify_id":"52rAYIWon6PcbaoybpNetm","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x817d36e4bad6cecf7670aec3b2e3e8c61e33022ab7d84705a103f23f76098fd3. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/52rAYIWon6PcbaoybpNetm.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/52rAYIWon6PcbaoybpNetm.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0x817d36e4bad6cecf7670aec3b2e3e8c61e33022ab7d84705a103f23f76098fd3","isrc":"QZTBC2383635","name":"Gucci manžetové knoflíky","registered_at":"2026-06-09T07:33:34Z","spotify_id":"52rAYIWon6PcbaoybpNetm","type":"track"}
track: Hacienda
  type: MusicRecording
  duration: PT4M6S
  duration ms: 246857
  explicit: false
  by artist: Sergei Barracuda
  by artist: Palermo
  in album: Goodfellas
    type: MusicAlbum
    date published: 2023-11-11
  isrc code: QZTBC2383636
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-11T05:39:45+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x1deabfad34ed48da043556e49995ec991f6ffc87eb06946511716242a8ee7a77
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/2lK5mxqQS3BOUJ7hehKrxr.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2lK5mxqQS3BOUJ7hehKrxr
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1deabfad34ed48da043556e49995ec991f6ffc87eb06946511716242a8ee7a77. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2lK5mxqQS3BOUJ7hehKrxr.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2lK5mxqQS3BOUJ7hehKrxr.
    date published: 2026-06-13T17:25:41Z
track: Není to žádná věda
  type: MusicRecording
  duration: PT3M18S
  duration ms: 198620
  explicit: false
  by artist: Sergei Barracuda
  by artist: Palermo
  in album: Goodfellas
    type: MusicAlbum
    date published: 2023-11-11
  isrc code: QZTBC2383637
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSRecordURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
track: Generál
track: Reprezentuju
track: Já sem on
track: Ze stoky

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-18T00:17:37+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xcc94b24de5a013345b49be48c670ccbcc1ee1bcf8457a1a42a9faa9935d704f5

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956302

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/956302

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/3r00MA84pe17TM4mThtEOv.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3r00MA84pe17TM4mThtEOv

OTSTimestamp
type: PropertyValue
value: 2026-07-02T03:30:09Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0xcc94b24de5a013345b49be48c670ccbcc1ee1bcf8457a1a42a9faa9935d704f5","isrc":"QZTBC2383637","name":"Není to žádná věda","registered_at":"2026-06-18T00:17:37Z","spotify_id":"3r00MA84pe17TM4mThtEOv","type":"track"}

OTSVerifyInstructions
type: PropertyValue
value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc94b24de5a013345b49be48c670ccbcc1ee1bcf8457a1a42a9faa9935d704f5. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3r00MA84pe17TM4mThtEOv.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3r00MA84pe17TM4mThtEOv.
date published: 2026-07-02T03:30:09Z
text: {"copyright_id":"0xcc94b24de5a013345b49be48c670ccbcc1ee1bcf8457a1a42a9faa9935d704f5","isrc":"QZTBC2383637","name":"Není to žádná věda","registered_at":"2026-06-18T00:17:37Z","spotify_id":"3r00MA84pe17TM4mThtEOv","type":"track"}

Generál
type: MusicRecording
duration: PT2M56S
duration ms: 176888
explicit: false
by artist: Sergei Barracuda
by artist: Palermo
in album: Goodfellas
  type: MusicAlbum
  date published: 2023-11-11
isrc code: QZTBC2383638
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T15:42:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9c4b93b91a92fdc9f2c3209594e3975a1db2a1e0821fe36b006349af2526ba3d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5vaQwWERIsCBJ8nVvliSnP.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5vaQwWERIsCBJ8nVvliSnP
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9c4b93b91a92fdc9f2c3209594e3975a1db2a1e0821fe36b006349af2526ba3d","isrc":"QZTBC2383638","name":"Generál","registered_at":"2026-06-18T15:42:13Z","spotify_id":"5vaQwWERIsCBJ8nVvliSnP","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c4b93b91a92fdc9f2c3209594e3975a1db2a1e0821fe36b006349af2526ba3d. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5vaQwWERIsCBJ8nVvliSnP.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5vaQwWERIsCBJ8nVvliSnP.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x9c4b93b91a92fdc9f2c3209594e3975a1db2a1e0821fe36b006349af2526ba3d","isrc":"QZTBC2383638","name":"Generál","registered_at":"2026-06-18T15:42:13Z","spotify_id":"5vaQwWERIsCBJ8nVvliSnP","type":"track"}

Reprezentuju
type: MusicRecording
duration: PT3M25S
duration ms: 205283
explicit: false
by artist: Sergei Barracuda
by artist: Palermo
in album: Goodfellas
  type: MusicAlbum
  date published: 2023-11-11
isrc code: QZTBC2383639
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T07:31:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xed203caf63b2a941cfb1e01ff25e630a7c917d82eee1f347d06bec8d249a8941
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6yCnRr4zyJvfThngq1lEFp.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6yCnRr4zyJvfThngq1lEFp
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed203caf63b2a941cfb1e01ff25e630a7c917d82eee1f347d06bec8d249a8941. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6yCnRr4zyJvfThngq1lEFp.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6yCnRr4zyJvfThngq1lEFp.
  date published: 2026-06-13T17:25:41Z

Já sem on
type: MusicRecording
duration: PT2M52S
duration ms: 172307
explicit: false
by artist: Sergei Barracuda
by artist: Palermo
in album: Goodfellas
  type: MusicAlbum
  date published: 2023-11-11
isrc code: QZTBC2383640
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T05:26:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0dfce5cd2341d2ce821e039c8e7cfe88601260f78a939e032fc4efdbc5775b9f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1ElCqxST4T7IiaYiUFtKsz.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1ElCqxST4T7IiaYiUFtKsz
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0dfce5cd2341d2ce821e039c8e7cfe88601260f78a939e032fc4efdbc5775b9f","isrc":"QZTBC2383640","name":"Já sem on","registered_at":"2026-06-19T05:26:41Z","spotify_id":"1ElCqxST4T7IiaYiUFtKsz","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0dfce5cd2341d2ce821e039c8e7cfe88601260f78a939e032fc4efdbc5775b9f. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1ElCqxST4T7IiaYiUFtKsz.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1ElCqxST4T7IiaYiUFtKsz.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x0dfce5cd2341d2ce821e039c8e7cfe88601260f78a939e032fc4efdbc5775b9f","isrc":"QZTBC2383640","name":"Já sem on","registered_at":"2026-06-19T05:26:41Z","spotify_id":"1ElCqxST4T7IiaYiUFtKsz","type":"track"}

Ze stoky
type: MusicRecording
duration: PT3M18S
duration ms: 198193
explicit: false
by artist: Sergei Barracuda
by artist: Palermo
in album: Goodfellas
  type: MusicAlbum
  date published: 2023-11-11
isrc code: QZTBC2383641
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T00:16:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x24ef44833ba2df86e4dbbe299da8a24257157319a7d95f3644ec1564d67f8e86
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0iCULbFoGnzuPTcUsp6erA.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0iCULbFoGnzuPTcUsp6erA
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x24ef44833ba2df86e4dbbe299da8a24257157319a7d95f3644ec1564d67f8e86","isrc":"QZTBC2383641","name":"Ze stoky","registered_at":"2026-06-18T00:16:14Z","spotify_id":"0iCULbFoGnzuPTcUsp6erA","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24ef44833ba2df86e4dbbe299da8a24257157319a7d95f3644ec1564d67f8e86. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0iCULbFoGnzuPTcUsp6erA.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0iCULbFoGnzuPTcUsp6erA.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x24ef44833ba2df86e4dbbe299da8a24257157319a7d95f3644ec1564d67f8e86","isrc":"QZTBC2383641","name":"Ze stoky","registered_at":"2026-06-18T00:16:14Z","spotify_id":"0iCULbFoGnzuPTcUsp6erA","type":"track"}

ASI TO TAK MALO BYŤ
type: MusicAlbum
date published: 2024-07-05
track: ASI TO TAK MALO BYŤ
  type: MusicRecording
  duration: PT2M59S
  duration ms: 179306
  explicit: false
  by artist: Palermo
  by artist: Sergei Barracuda
  in album: ASI TO TAK MALO BYŤ
    type: MusicAlbum
    date published: 2024-07-05
  isrc code: SKP592400007
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-05T16:38:39+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x55dd839d7cf55d1183930ba195e2e4be89c2e186675c744272c7395f28366028
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953520
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953520
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/2XXYLAkl7tmbIkwaiBukMu.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2XXYLAkl7tmbIkwaiBukMu
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x55dd839d7cf55d1183930ba195e2e4be89c2e186675c744272c7395f28366028","isrc":"SKP592400007","name":"ASI TO TAK MALO BYŤ","registered_at":"2026-06-05T16:38:39Z","spotify_id":"2XXYLAkl7tmbIkwaiBukMu","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55dd839d7cf55d1183930ba195e2e4be89c2e186675c744272c7395f28366028. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2XXYLAkl7tmbIkwaiBukMu.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2XXYLAkl7tmbIkwaiBukMu.
    date published: 2026-06-13T13:32:09Z
    text: {"copyright_id":"0x55dd839d7cf55d1183930ba195e2e4be89c2e186675c744272c7395f28366028","isrc":"SKP592400007","name":"ASI TO TAK MALO BYŤ","registered_at":"2026-06-05T16:38:39Z","spotify_id":"2XXYLAkl7tmbIkwaiBukMu","type":"track"}

Kila Zdarma (Mixtape)
type: MusicAlbum
date published: 2021-11-03
track: Z Ghetta
  type: MusicRecording
  duration: PT2M37S
  duration ms: 157727
  explicit: false
  by artist: Sergei Barracuda
  by artist: Hard Rico
  in album: Kila Zdarma (Mixtape)
    type: MusicAlbum
    date published: 2021-11-03
  isrc code: QZNWW2164957
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T13:22:41+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9ab88b0caa0626179ca0ae5e1723a5360075671f958ef7b4b3abe2ab0a210db2
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/3g9NnbaA6AliC0ResOJHfE.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3g9NnbaA6AliC0ResOJHfE
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x9ab88b0caa0626179ca0ae5e1723a5360075671f958ef7b4b3abe2ab0a210db2","isrc":"QZNWW2164957","name":"Z Ghetta","registered_at":"2026-06-07T13:22:41Z","spotify_id":"3g9NnbaA6AliC0ResOJHfE","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ab88b0caa0626179ca0ae5e1723a5360075671f958ef7b4b3abe2ab0a210db2. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3g9NnbaA6AliC0ResOJHfE.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3g9NnbaA6AliC0ResOJHfE.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x9ab88b0caa0626179ca0ae5e1723a5360075671f958ef7b4b3abe2ab0a210db2","isrc":"QZNWW2164957","name":"Z Ghetta","registered_at":"2026-06-07T13:22:41Z","spotify_id":"3g9NnbaA6AliC0ResOJHfE","type":"track"}
track: Na Tour
  type: MusicRecording
  duration: PT2M37S
  duration ms: 157714
  explicit: false
  by artist: Sergei Barracuda
  by artist: Hard Rico
  in album: Kila Zdarma (Mixtape)
    type: MusicAlbum
    date published: 2021-11-03
  isrc code: QZNWW2164958
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T01:06:27+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7df698c2ce40b3bf59661689a50939a11cea10eb3636f1a85b36631f80e3652b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/1HzpQBXphdaAZWICv1I4GT.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1HzpQBXphdaAZWICv1I4GT
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x7df698c2ce40b3bf59661689a50939a11cea10eb3636f1a85b36631f80e3652b","isrc":"QZNWW2164958","name":"Na Tour","registered_at":"2026-06-08T01:06:27Z","spotify_id":"1HzpQBXphdaAZWICv1I4GT","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7df698c2ce40b3bf59661689a50939a11cea10eb3636f1a85b36631f80e3652b. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1HzpQBXphdaAZWICv1I4GT.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1HzpQBXphdaAZWICv1I4GT.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x7df698c2ce40b3bf59661689a50939a11cea10eb3636f1a85b36631f80e3652b","isrc":"QZNWW2164958","name":"Na Tour","registered_at":"2026-06-08T01:06:27Z","spotify_id":"1HzpQBXphdaAZWICv1I4GT","type":"track"}
track: Traphouse II
  type: MusicRecording
  duration: PT3M24S
  duration ms: 204068
  explicit: false
  by artist: Sergei Barracuda
  by artist: Hard Rico
  by artist: Palermo
  in album: Kila Zdarma (Mixtape)
    type: MusicAlbum
    date published: 2021-11-03
  isrc code: QZNWW2164959
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T11:59:16+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xda21b65b20eb87fe647fd817993e81e2f0f05121dcddb871988d7b7772de5191
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/1EGyxNhzhFLp7FyI9SyIcW.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1EGyxNhzhFLp7FyI9SyIcW
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xda21b65b20eb87fe647fd817993e81e2f0f05121dcddb871988d7b7772de5191","isrc":"QZNWW2164959","name":"Traphouse II","registered_at":"2026-06-08T11:59:16Z","spotify_id":"1EGyxNhzhFLp7FyI9SyIcW","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda21b65b20eb87fe647fd817993e81e2f0f05121dcddb871988d7b7772de5191. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1EGyxNhzhFLp7FyI9SyIcW.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1EGyxNhzhFLp7FyI9SyIcW.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0xda21b65b20eb87fe647fd817993e81e2f0f05121dcddb871988d7b7772de5191","isrc":"QZNWW2164959","name":"Traphouse II","registered_at":"2026-06-08T11:59:16Z","spotify_id":"1EGyxNhzhFLp7FyI9SyIcW","type":"track"}
track: Nemusíš se bát
  type: MusicRecording
  duration: PT3M28S
  duration ms: 208352
  explicit: false
  by artist: Sergei Barracuda
  by artist: Hard Rico
  by artist: Patron
  in album: Kila Zdarma (Mixtape)
    type: MusicAlbum
    date published: 2021-11-03
  isrc code: QZNWW2164960
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-05T16:39:08+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4202e194afc7faeb3ee9e932983abf9cdc85771a4c1765b6e6480b7c03eb36c4
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/3AJG45iQr8xwlwupz8JmzG.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3AJG45iQr8xwlwupz8JmzG
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x4202e194afc7faeb3ee9e932983abf9cdc85771a4c1765b6e6480b7c03eb36c4","isrc":"QZNWW2164960","name":"Nemusíš se bát","registered_at":"2026-06-05T16:39:08Z","spotify_id":"3AJG45iQr8xwlwupz8JmzG","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4202e194afc7faeb3ee9e932983abf9cdc85771a4c1765b6e6480b7c03eb36c4. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3AJG45iQr8xwlwupz8JmzG.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3AJG45iQr8xwlwupz8JmzG.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x4202e194afc7faeb3ee9e932983abf9cdc85771a4c1765b6e6480b7c03eb36c4","isrc":"QZNWW2164960","name":"Nemusíš se bát","registered_at":"2026-06-05T16:39:08Z","spotify_id":"3AJG45iQr8xwlwupz8JmzG","type":"track"}
track: Rico & Sergei
track: Fuego
track: Vidím ji tančit
track: Můžeš být má
track: S Respektem
track: Neví co je Trap
track: Varna
track: Tváří se že sou Real
track: Moonlight
track: Svědomí
track: Move
track: Zázrak
track: Musíme jít

Rico & Sergei
type: MusicRecording
duration: PT1M55S
duration ms: 115200
explicit: false
by artist: Sergei Barracuda
by artist: Hard Rico
in album: Kila Zdarma (Mixtape)
  type: MusicAlbum
  date published: 2021-11-03
isrc code: QZNWW2164961
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T10:09:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x69d025c5bd3e8a5c5e145cdc0f302d4dba06553b74eb6aca6aa58031082feb98
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7w83teH9WKAsbQx1jKrmZm.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7w83teH9WKAsbQx1jKrmZm
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x69d025c5bd3e8a5c5e145cdc0f302d4dba06553b74eb6aca6aa58031082feb98","isrc":"QZNWW2164961","name":"Rico & Sergei","registered_at":"2026-06-04T10:09:47Z","spotify_id":"7w83teH9WKAsbQx1jKrmZm","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69d025c5bd3e8a5c5e145cdc0f302d4dba06553b74eb6aca6aa58031082feb98. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7w83teH9WKAsbQx1jKrmZm.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7w83teH9WKAsbQx1jKrmZm.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x69d025c5bd3e8a5c5e145cdc0f302d4dba06553b74eb6aca6aa58031082feb98","isrc":"QZNWW2164961","name":"Rico & Sergei","registered_at":"2026-06-04T10:09:47Z","spotify_id":"7w83teH9WKAsbQx1jKrmZm","type":"track"}

Fuego
type: MusicRecording
duration: PT2M14S
duration ms: 134870
explicit: false
by artist: Sergei Barracuda
by artist: Hard Rico
in album: Kila Zdarma (Mixtape)
  type: MusicAlbum
  date published: 2021-11-03
isrc code: QZNWW2164962
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T04:06:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xee82eb842fa005ef0f1db6ee26d291e7910da82092fca49a4e7eed34082f6d56
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1u2IooNlic1lxvGxZa14Wj.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1u2IooNlic1lxvGxZa14Wj
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee82eb842fa005ef0f1db6ee26d291e7910da82092fca49a4e7eed34082f6d56. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1u2IooNlic1lxvGxZa14Wj.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1u2IooNlic1lxvGxZa14Wj.
  date published: 2026-06-13T15:41:10Z

Vidím ji tančit
type: MusicRecording
duration: PT2M52S
duration ms: 172068
explicit: false
by artist: Sergei Barracuda
by artist: Hard Rico
in album: Kila Zdarma (Mixtape)
  type: MusicAlbum
  date published: 2021-11-03
isrc code: QZNWW2164963
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T15:33:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8044bba8ea2ef71ebd080bf97e9dd1c426f22b4b108e8a3a337d9c4f8c7c930e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6wcfOlcWCMUesQYpFMVMWX.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6wcfOlcWCMUesQYpFMVMWX
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8044bba8ea2ef71ebd080bf97e9dd1c426f22b4b108e8a3a337d9c4f8c7c930e","isrc":"QZNWW2164963","name":"Vidím ji tančit","registered_at":"2026-06-04T15:33:28Z","spotify_id":"6wcfOlcWCMUesQYpFMVMWX","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8044bba8ea2ef71ebd080bf97e9dd1c426f22b4b108e8a3a337d9c4f8c7c930e. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6wcfOlcWCMUesQYpFMVMWX.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6wcfOlcWCMUesQYpFMVMWX.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x8044bba8ea2ef71ebd080bf97e9dd1c426f22b4b108e8a3a337d9c4f8c7c930e","isrc":"QZNWW2164963","name":"Vidím ji tančit","registered_at":"2026-06-04T15:33:28Z","spotify_id":"6wcfOlcWCMUesQYpFMVMWX","type":"track"}

Můžeš být má
type: MusicRecording
duration: PT2M42S
duration ms: 162516
explicit: false
by artist: Sergei Barracuda
by artist: Hard Rico
in album: Kila Zdarma (Mixtape)
  type: MusicAlbum
  date published: 2021-11-03
isrc code: QZNWW2164964
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T21:28:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6d1054614f5d0a2d023a65c7e837cb147e2ae0f75a38f9629ea2616b54d92d94
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/52yueRbXj7RbHrv3O2cV0B.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/52yueRbXj7RbHrv3O2cV0B
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6d1054614f5d0a2d023a65c7e837cb147e2ae0f75a38f9629ea2616b54d92d94","isrc":"QZNWW2164964","name":"Můžeš být má","registered_at":"2026-06-05T21:28:29Z","spotify_id":"52yueRbXj7RbHrv3O2cV0B","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d1054614f5d0a2d023a65c7e837cb147e2ae0f75a38f9629ea2616b54d92d94. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/52yueRbXj7RbHrv3O2cV0B.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/52yueRbXj7RbHrv3O2cV0B.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x6d1054614f5d0a2d023a65c7e837cb147e2ae0f75a38f9629ea2616b54d92d94","isrc":"QZNWW2164964","name":"Můžeš být má","registered_at":"2026-06-05T21:28:29Z","spotify_id":"52yueRbXj7RbHrv3O2cV0B","type":"track"}

S Respektem
type: MusicRecording
duration: PT3M10S
duration ms: 190667
explicit: false
by artist: Sergei Barracuda
by artist: Hard Rico
by artist: Palermo
in album: Kila Zdarma (Mixtape)
  type: MusicAlbum
  date published: 2021-11-03
isrc code: QZNWW2164965
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T10:02:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0f493bb370b041bd20b415fe598727d72f1681f8016efb2c6e4e97b2a6d51337
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5tPQZ9NyoP3hDUSNBbquxA.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5tPQZ9NyoP3hDUSNBbquxA
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0f493bb370b041bd20b415fe598727d72f1681f8016efb2c6e4e97b2a6d51337","isrc":"QZNWW2164965","name":"S Respektem","registered_at":"2026-06-08T10:02:39Z","spotify_id":"5tPQZ9NyoP3hDUSNBbquxA","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f493bb370b041bd20b415fe598727d72f1681f8016efb2c6e4e97b2a6d51337. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5tPQZ9NyoP3hDUSNBbquxA.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5tPQZ9NyoP3hDUSNBbquxA.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x0f493bb370b041bd20b415fe598727d72f1681f8016efb2c6e4e97b2a6d51337","isrc":"QZNWW2164965","name":"S Respektem","registered_at":"2026-06-08T10:02:39Z","spotify_id":"5tPQZ9NyoP3hDUSNBbquxA","type":"track"}

Neví co je Trap
type: MusicRecording
duration: PT2M42S
duration ms: 162977
explicit: false
by artist: Sergei Barracuda
by artist: Hard Rico
in album: Kila Zdarma (Mixtape)
  type: MusicAlbum
  date published: 2021-11-03
isrc code: QZNWW2164966
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T03:41:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xefc0c802d9ec8807ec2e321420b00430498245ff821677ea6b4f3e839046aec9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1lexfaaBkEyzkgFpv2ldxk.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1lexfaaBkEyzkgFpv2ldxk
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xefc0c802d9ec8807ec2e321420b00430498245ff821677ea6b4f3e839046aec9","isrc":"QZNWW2164966","name":"Neví co je Trap","registered_at":"2026-06-10T03:41:18Z","spotify_id":"1lexfaaBkEyzkgFpv2ldxk","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefc0c802d9ec8807ec2e321420b00430498245ff821677ea6b4f3e839046aec9. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1lexfaaBkEyzkgFpv2ldxk.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1lexfaaBkEyzkgFpv2ldxk.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xefc0c802d9ec8807ec2e321420b00430498245ff821677ea6b4f3e839046aec9","isrc":"QZNWW2164966","name":"Neví co je Trap","registered_at":"2026-06-10T03:41:18Z","spotify_id":"1lexfaaBkEyzkgFpv2ldxk","type":"track"}

Varna
type: MusicRecording
duration: PT2M27S
duration ms: 147722
explicit: false
by artist: Sergei Barracuda
by artist: Hard Rico
in album: Kila Zdarma (Mixtape)
  type: MusicAlbum
  date published: 2021-11-03
isrc code: QZNWW2164967
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T19:48:58+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xeb1c805f5f6dbff9f93544663f334e30a43eae0226f3b2dbf6876b70887ada80
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0IQA2eDkxyYdPP9PcQqAiz.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0IQA2eDkxyYdPP9PcQqAiz
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb1c805f5f6dbff9f93544663f334e30a43eae0226f3b2dbf6876b70887ada80. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0IQA2eDkxyYdPP9PcQqAiz.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0IQA2eDkxyYdPP9PcQqAiz.
  date published: 2026-06-13T15:41:10Z

Tváří se že sou Real
type: MusicRecording
duration: PT2M52S
duration ms: 172773
explicit: false
by artist: Sergei Barracuda
by artist: Hard Rico
in album: Kila Zdarma (Mixtape)
  type: MusicAlbum
  date published: 2021-11-03
isrc code: QZNWW2164968
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T11:57:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc99fda5a94db673a234c6260a1c894fab3ce6d5eacec743c5061e10f86bdf04a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2zQwxmg8OS9a70MAhEOLbB.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2zQwxmg8OS9a70MAhEOLbB
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc99fda5a94db673a234c6260a1c894fab3ce6d5eacec743c5061e10f86bdf04a","isrc":"QZNWW2164968","name":"Tváří se že sou Real","registered_at":"2026-06-08T11:57:38Z","spotify_id":"2zQwxmg8OS9a70MAhEOLbB","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc99fda5a94db673a234c6260a1c894fab3ce6d5eacec743c5061e10f86bdf04a. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2zQwxmg8OS9a70MAhEOLbB.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2zQwxmg8OS9a70MAhEOLbB.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xc99fda5a94db673a234c6260a1c894fab3ce6d5eacec743c5061e10f86bdf04a","isrc":"QZNWW2164968","name":"Tváří se že sou Real","registered_at":"2026-06-08T11:57:38Z","spotify_id":"2zQwxmg8OS9a70MAhEOLbB","type":"track"}

Moonlight
type: MusicRecording
duration: PT2M38S
duration ms: 158823
explicit: false
by artist: Sergei Barracuda
by artist: Hard Rico
in album: Kila Zdarma (Mixtape)
  type: MusicAlbum
  date published: 2021-11-03
isrc code: QZNWW2164969
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T07:36:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x068436a15330e2422010939fc307920c4c9acad714f61135d4d4ce7256a8457a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0gtbPmpWaypBK6mm0JzkJz.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0gtbPmpWaypBK6mm0JzkJz
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x068436a15330e2422010939fc307920c4c9acad714f61135d4d4ce7256a8457a. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0gtbPmpWaypBK6mm0JzkJz.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0gtbPmpWaypBK6mm0JzkJz.
  date published: 2026-06-13T13:32:09Z

Svědomí
type: MusicRecording
duration: PT2M34S
duration ms: 154932
explicit: false
by artist: Sergei Barracuda
by artist: Hard Rico
in album: Kila Zdarma (Mixtape)
  type: MusicAlbum
  date published: 2021-11-03
isrc code: QZNWW2164970
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T17:26:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7c9f64324d363e8d9833a535acc3a63b650b03aa834ca59b4e441e93a3d41df4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3KQjthJSyp5F5CVDLqwp65.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3KQjthJSyp5F5CVDLqwp65
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7c9f64324d363e8d9833a535acc3a63b650b03aa834ca59b4e441e93a3d41df4","isrc":"QZNWW2164970","name":"Svědomí","registered_at":"2026-06-09T17:26:19Z","spotify_id":"3KQjthJSyp5F5CVDLqwp65","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c9f64324d363e8d9833a535acc3a63b650b03aa834ca59b4e441e93a3d41df4. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3KQjthJSyp5F5CVDLqwp65.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3KQjthJSyp5F5CVDLqwp65.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x7c9f64324d363e8d9833a535acc3a63b650b03aa834ca59b4e441e93a3d41df4","isrc":"QZNWW2164970","name":"Svědomí","registered_at":"2026-06-09T17:26:19Z","spotify_id":"3KQjthJSyp5F5CVDLqwp65","type":"track"}

Move
type: MusicRecording
duration: PT2M45S
duration ms: 165015
explicit: false
by artist: Sergei Barracuda
by artist: Hard Rico
by artist: Peyseyko808
in album: Kila Zdarma (Mixtape)
  type: MusicAlbum
  date published: 2021-11-03
isrc code: QZNWW2164971
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T11:55:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3a819a46416b9de234b0081e09be0485526d1f5019521cd8b283bc8570660ddd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3v6mQNv5WAgJKLljoqCmCc.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3v6mQNv5WAgJKLljoqCmCc
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a819a46416b9de234b0081e09be0485526d1f5019521cd8b283bc8570660ddd. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3v6mQNv5WAgJKLljoqCmCc.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3v6mQNv5WAgJKLljoqCmCc.
  date published: 2026-06-13T15:41:10Z

Zázrak
type: MusicRecording
duration: PT2M15S
duration ms: 135680
explicit: false
by artist: Sergei Barracuda
by artist: Hard Rico
in album: Kila Zdarma (Mixtape)
  type: MusicAlbum
  date published: 2021-11-03
isrc code: QZNWW2164972
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T21:29:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2e13e1676f7b2207561beb96b0db2d0f3bf96e12420d7f1bfd998158f43666f0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4Q8Liiv7HfnttV4pzrqE9O.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4Q8Liiv7HfnttV4pzrqE9O
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2e13e1676f7b2207561beb96b0db2d0f3bf96e12420d7f1bfd998158f43666f0","isrc":"QZNWW2164972","name":"Zázrak","registered_at":"2026-06-05T21:29:29Z","spotify_id":"4Q8Liiv7HfnttV4pzrqE9O","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e13e1676f7b2207561beb96b0db2d0f3bf96e12420d7f1bfd998158f43666f0. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4Q8Liiv7HfnttV4pzrqE9O.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4Q8Liiv7HfnttV4pzrqE9O.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x2e13e1676f7b2207561beb96b0db2d0f3bf96e12420d7f1bfd998158f43666f0","isrc":"QZNWW2164972","name":"Zázrak","registered_at":"2026-06-05T21:29:29Z","spotify_id":"4Q8Liiv7HfnttV4pzrqE9O","type":"track"}

Musíme jít
type: MusicRecording
duration: PT3M13S
duration ms: 193802
explicit: false
by artist: Sergei Barracuda
by artist: Hard Rico
in album: Kila Zdarma (Mixtape)
  type: MusicAlbum
  date published: 2021-11-03
isrc code: QZNWW2164973
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T07:39:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdcdab6a31f6ec651f7c6bf24124830522c913df1eb69143c2f16690aa770ba02
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/40T9Js1NZPPHAiZi3X7fs7.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/40T9Js1NZPPHAiZi3X7fs7
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xdcdab6a31f6ec651f7c6bf24124830522c913df1eb69143c2f16690aa770ba02","isrc":"QZNWW2164973","name":"Musíme jít","registered_at":"2026-06-09T07:39:40Z","spotify_id":"40T9Js1NZPPHAiZi3X7fs7","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdcdab6a31f6ec651f7c6bf24124830522c913df1eb69143c2f16690aa770ba02. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/40T9Js1NZPPHAiZi3X7fs7.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/40T9Js1NZPPHAiZi3X7fs7.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0xdcdab6a31f6ec651f7c6bf24124830522c913df1eb69143c2f16690aa770ba02","isrc":"QZNWW2164973","name":"Musíme jít","registered_at":"2026-06-09T07:39:40Z","spotify_id":"40T9Js1NZPPHAiZi3X7fs7","type":"track"}

Finesa
type: MusicAlbum
date published: 2022-06-13
track: Rozený vrah
  type: MusicRecording
  duration: PT3M40S
  duration ms: 220140
  explicit: false
  by artist: Sergei Barracuda
  in album: Finesa
    type: MusicAlbum
    date published: 2022-06-13
  isrc code: QZK6P2206144
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T04:03:10+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xee7a763814fc844f82080cdab0b08f7bf9f7eca6d05d135296a9758be241bd2d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/2gJ8AX9YZgqEPKh1aqfJ8B.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2gJ8AX9YZgqEPKh1aqfJ8B
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xee7a763814fc844f82080cdab0b08f7bf9f7eca6d05d135296a9758be241bd2d","isrc":"QZK6P2206144","name":"Rozený vrah","registered_at":"2026-06-06T04:03:10Z","spotify_id":"2gJ8AX9YZgqEPKh1aqfJ8B","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee7a763814fc844f82080cdab0b08f7bf9f7eca6d05d135296a9758be241bd2d. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2gJ8AX9YZgqEPKh1aqfJ8B.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2gJ8AX9YZgqEPKh1aqfJ8B.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0xee7a763814fc844f82080cdab0b08f7bf9f7eca6d05d135296a9758be241bd2d","isrc":"QZK6P2206144","name":"Rozený vrah","registered_at":"2026-06-06T04:03:10Z","spotify_id":"2gJ8AX9YZgqEPKh1aqfJ8B","type":"track"}
track: Na dosah
  type: MusicRecording
  duration: PT3M41S
  duration ms: 221330
  explicit: false
  by artist: Sergei Barracuda
  by artist: Palermo
  in album: Finesa
    type: MusicAlbum
    date published: 2022-06-13
  isrc code: QZK6P2206145
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T17:10:28+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xed708396330774f5675f01cd08a452039c3ee3c37d98ea6298ef2741fe80de31
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/7ECqhjHm10W282BDuDnuE7.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7ECqhjHm10W282BDuDnuE7
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xed708396330774f5675f01cd08a452039c3ee3c37d98ea6298ef2741fe80de31","isrc":"QZK6P2206145","name":"Na dosah","registered_at":"2026-06-06T17:10:28Z","spotify_id":"7ECqhjHm10W282BDuDnuE7","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed708396330774f5675f01cd08a452039c3ee3c37d98ea6298ef2741fe80de31. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7ECqhjHm10W282BDuDnuE7.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7ECqhjHm10W282BDuDnuE7.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0xed708396330774f5675f01cd08a452039c3ee3c37d98ea6298ef2741fe80de31","isrc":"QZK6P2206145","name":"Na dosah","registered_at":"2026-06-06T17:10:28Z","spotify_id":"7ECqhjHm10W282BDuDnuE7","type":"track"}
track: Jedna noc
  type: MusicRecording
  duration: PT4M13S
  duration ms: 253174
  explicit: false
  by artist: Sergei Barracuda
  in album: Finesa
    type: MusicAlbum
    date published: 2022-06-13
  isrc code: QZK6P2206146
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T10:00:25+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2733bcad7fcdba08356e9444944e23b3aee545cc8b3dfeaffceaf43d94e4966d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/6fvTqgV6PeVXOmIUcGOa5D.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6fvTqgV6PeVXOmIUcGOa5D
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x2733bcad7fcdba08356e9444944e23b3aee545cc8b3dfeaffceaf43d94e4966d","isrc":"QZK6P2206146","name":"Jedna noc","registered_at":"2026-06-08T10:00:25Z","spotify_id":"6fvTqgV6PeVXOmIUcGOa5D","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2733bcad7fcdba08356e9444944e23b3aee545cc8b3dfeaffceaf43d94e4966d. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6fvTqgV6PeVXOmIUcGOa5D.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6fvTqgV6PeVXOmIUcGOa5D.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x2733bcad7fcdba08356e9444944e23b3aee545cc8b3dfeaffceaf43d94e4966d","isrc":"QZK6P2206146","name":"Jedna noc","registered_at":"2026-06-08T10:00:25Z","spotify_id":"6fvTqgV6PeVXOmIUcGOa5D","type":"track"}
track: Krev na podrážce
  type: MusicRecording
  duration: PT3M6S
  duration ms: 186493
  explicit: false
  by artist: Sergei Barracuda
  in album: Finesa
    type: MusicAlbum
    date published: 2022-06-13
  isrc code: QZK6P2206147
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T03:46:22+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x64ea868bae177026cec83fbfc2df6cff5513a3a6544dfd1572f74d412ee5866f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953520
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953520
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/6q5yoREDlsqKPqikcuIDjI.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6q5yoREDlsqKPqikcuIDjI
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x64ea868bae177026cec83fbfc2df6cff5513a3a6544dfd1572f74d412ee5866f","isrc":"QZK6P2206147","name":"Krev na podrážce","registered_at":"2026-06-10T03:46:22Z","spotify_id":"6q5yoREDlsqKPqikcuIDjI","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64ea868bae177026cec83fbfc2df6cff5513a3a6544dfd1572f74d412ee5866f. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6q5yoREDlsqKPqikcuIDjI.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6q5yoREDlsqKPqikcuIDjI.
    date published: 2026-06-13T13:32:09Z
    text: {"copyright_id":"0x64ea868bae177026cec83fbfc2df6cff5513a3a6544dfd1572f74d412ee5866f","isrc":"QZK6P2206147","name":"Krev na podrážce","registered_at":"2026-06-10T03:46:22Z","spotify_id":"6q5yoREDlsqKPqikcuIDjI","type":"track"}
track: Potřebuju tě
  type: MusicRecording
  duration: PT3M33S
  duration ms: 213961
  explicit: false
  by artist: Sergei Barracuda
  by artist: Pil C
  in album: Finesa
  isrc code: QZK6P2206148
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSRecordURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
track: Sem v pořádku
track: Budem se mít fajn
track: Svatební materiál
track: Muah

Pil C
type: MusicGroup

Finesa
type: MusicAlbum
date published: 2022-06-13

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-08T11:54:17+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x2b5fde01c247015d554f38ea88e91d9e405573c33116a70a37dfa0fd74bb5129

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 953528

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/953528

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/3LHIDzPVLtJQ68f4N6fu6V.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3LHIDzPVLtJQ68f4N6fu6V

OTSTimestamp
type: PropertyValue
value: 2026-06-13T15:41:10Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x2b5fde01c247015d554f38ea88e91d9e405573c33116a70a37dfa0fd74bb5129","isrc":"QZK6P2206148","name":"Potřebuju tě","registered_at":"2026-06-08T11:54:17Z","spotify_id":"3LHIDzPVLtJQ68f4N6fu6V","type":"track"}

OTSVerifyInstructions
type: PropertyValue
value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b5fde01c247015d554f38ea88e91d9e405573c33116a70a37dfa0fd74bb5129. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3LHIDzPVLtJQ68f4N6fu6V.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3LHIDzPVLtJQ68f4N6fu6V.
date published: 2026-06-13T15:41:10Z
text: {"copyright_id":"0x2b5fde01c247015d554f38ea88e91d9e405573c33116a70a37dfa0fd74bb5129","isrc":"QZK6P2206148","name":"Potřebuju tě","registered_at":"2026-06-08T11:54:17Z","spotify_id":"3LHIDzPVLtJQ68f4N6fu6V","type":"track"}

Sem v pořádku
type: MusicRecording
duration: PT3M51S
duration ms: 231492
explicit: false
by artist: Sergei Barracuda
by artist: STEIN27
by artist: Dorian
in album: Finesa
  type: MusicAlbum
  date published: 2022-06-13
isrc code: QZK6P2206149
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T21:30:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe98b9d15ae8719075f080470edb804c8fd619833733ebb908e665200b6767fcf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1IQMbnYywpVBtf04tswuAZ.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1IQMbnYywpVBtf04tswuAZ
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe98b9d15ae8719075f080470edb804c8fd619833733ebb908e665200b6767fcf","isrc":"QZK6P2206149","name":"Sem v pořádku","registered_at":"2026-06-05T21:30:27Z","spotify_id":"1IQMbnYywpVBtf04tswuAZ","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe98b9d15ae8719075f080470edb804c8fd619833733ebb908e665200b6767fcf. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1IQMbnYywpVBtf04tswuAZ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1IQMbnYywpVBtf04tswuAZ.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xe98b9d15ae8719075f080470edb804c8fd619833733ebb908e665200b6767fcf","isrc":"QZK6P2206149","name":"Sem v pořádku","registered_at":"2026-06-05T21:30:27Z","spotify_id":"1IQMbnYywpVBtf04tswuAZ","type":"track"}

Budem se mít fajn
type: MusicRecording
duration: PT3M35S
duration ms: 215522
explicit: false
by artist: Sergei Barracuda
in album: Finesa
  type: MusicAlbum
  date published: 2022-06-13
isrc code: QZK6N2165625
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T16:41:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7516cbe968c10d4885a377f60fbe4e262584d64c3be7bf9713b2b7323ea7890d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3rFBKba9K3gIKoO00oUvDs.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3rFBKba9K3gIKoO00oUvDs
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7516cbe968c10d4885a377f60fbe4e262584d64c3be7bf9713b2b7323ea7890d","isrc":"QZK6N2165625","name":"Budem se mít fajn","registered_at":"2026-06-05T16:41:54Z","spotify_id":"3rFBKba9K3gIKoO00oUvDs","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7516cbe968c10d4885a377f60fbe4e262584d64c3be7bf9713b2b7323ea7890d. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3rFBKba9K3gIKoO00oUvDs.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3rFBKba9K3gIKoO00oUvDs.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x7516cbe968c10d4885a377f60fbe4e262584d64c3be7bf9713b2b7323ea7890d","isrc":"QZK6N2165625","name":"Budem se mít fajn","registered_at":"2026-06-05T16:41:54Z","spotify_id":"3rFBKba9K3gIKoO00oUvDs","type":"track"}

Svatební materiál
type: MusicRecording
duration: PT3M40S
duration ms: 220248
explicit: false
by artist: Sergei Barracuda
by artist: Mishala Orth
in album: Finesa
  type: MusicAlbum
  date published: 2022-06-13
isrc code: QZK6P2206150
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T21:29:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x754d815f9934c2cfbde7fdc970830faf7d2e0c8e79f49fb31dc841749fd1b57d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4hTiUA5AZZgCKLdGal72Yh.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4hTiUA5AZZgCKLdGal72Yh
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x754d815f9934c2cfbde7fdc970830faf7d2e0c8e79f49fb31dc841749fd1b57d","isrc":"QZK6P2206150","name":"Svatební materiál","registered_at":"2026-06-05T21:29:21Z","spotify_id":"4hTiUA5AZZgCKLdGal72Yh","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x754d815f9934c2cfbde7fdc970830faf7d2e0c8e79f49fb31dc841749fd1b57d. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4hTiUA5AZZgCKLdGal72Yh.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4hTiUA5AZZgCKLdGal72Yh.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x754d815f9934c2cfbde7fdc970830faf7d2e0c8e79f49fb31dc841749fd1b57d","isrc":"QZK6P2206150","name":"Svatební materiál","registered_at":"2026-06-05T21:29:21Z","spotify_id":"4hTiUA5AZZgCKLdGal72Yh","type":"track"}

Muah
type: MusicRecording
duration: PT3M45S
duration ms: 225293
explicit: false
by artist: Sergei Barracuda
by artist: Zayo
in album: Finesa
  type: MusicAlbum
  date published: 2022-06-13
isrc code: QZHN82298188
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T05:43:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xedef76b237f737b73771c52a64823a92c0b9172f7c1d1f13be346db4d2875a28
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/12Z22LVTrvWoKvzBbbxEmY.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/12Z22LVTrvWoKvzBbbxEmY
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xedef76b237f737b73771c52a64823a92c0b9172f7c1d1f13be346db4d2875a28. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/12Z22LVTrvWoKvzBbbxEmY.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/12Z22LVTrvWoKvzBbbxEmY.
  date published: 2026-06-13T17:25:41Z

UZI
type: MusicAlbum
date published: 2021-05-05
track: UZI
  type: MusicRecording
  duration: PT3M35S
  duration ms: 215172
  explicit: false
  by artist: Jerry Lee
  by artist: Sergei Barracuda
  by artist: Strapo
  by artist: Palermo
  by artist: Pater Capo
  in album: UZI
    type: MusicAlbum
    date published: 2021-05-05
  isrc code: QZHN62101326
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-18T00:15:57+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd561acf3a8d0da3661a4aa8f962a3fdebe3ccfae681b23af4345db71e6262f8f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956302
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/0HEQuweIIfGDDHOKu9zPQM.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0HEQuweIIfGDDHOKu9zPQM
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd561acf3a8d0da3661a4aa8f962a3fdebe3ccfae681b23af4345db71e6262f8f. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0HEQuweIIfGDDHOKu9zPQM.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0HEQuweIIfGDDHOKu9zPQM.
    date published: 2026-07-02T03:30:09Z

713
type: MusicAlbum
date published: 2017-06-29
track: 713
  type: MusicRecording
  duration: PT3M5S
  duration ms: 185789
  explicit: false
  by artist: Sergei Barracuda
  in album: 713
    type: MusicAlbum
    date published: 2017-06-29
  isrc code: TCADC1793237
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-05T06:33:37+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0f25f3f05a90371e538aef7b86427d87458958acbecf6f4e666f1398b1747040
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/5f9bk7AuacpISakQtNrK4R.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5f9bk7AuacpISakQtNrK4R
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f25f3f05a90371e538aef7b86427d87458958acbecf6f4e666f1398b1747040. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5f9bk7AuacpISakQtNrK4R.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5f9bk7AuacpISakQtNrK4R.
    date published: 2026-06-13T15:41:10Z
track: Nemají Mě Rádi
  type: MusicRecording
  duration: PT3M7S
  duration ms: 187242
  explicit: false
  by artist: Sergei Barracuda
  in album: 713
    type: MusicAlbum
    date published: 2017-06-29
  isrc code: TCADC1793337
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T14:59:26+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5cf6b1a83e7b0736262a018aa11e80852d2ee46c5fa39e755d7036372546c492
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/0mSRVfupwzPAD31PxhDva0.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0mSRVfupwzPAD31PxhDva0
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x5cf6b1a83e7b0736262a018aa11e80852d2ee46c5fa39e755d7036372546c492","isrc":"TCADC1793337","name":"Nemají Mě Rádi","registered_at":"2026-06-09T14:59:26Z","spotify_id":"0mSRVfupwzPAD31PxhDva0","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cf6b1a83e7b0736262a018aa11e80852d2ee46c5fa39e755d7036372546c492. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0mSRVfupwzPAD31PxhDva0.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0mSRVfupwzPAD31PxhDva0.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0x5cf6b1a83e7b0736262a018aa11e80852d2ee46c5fa39e755d7036372546c492","isrc":"TCADC1793337","name":"Nemají Mě Rádi","registered_at":"2026-06-09T14:59:26Z","spotify_id":"0mSRVfupwzPAD31PxhDva0","type":"track"}
track: Žiju Jinej Svět
  type: MusicRecording
  duration: PT1M15S
  duration ms: 75901
  explicit: false
  by artist: Sergei Barracuda
  in album: 713
    type: MusicAlbum
    date published: 2017-06-29
  isrc code: TCADC1793373
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-20T12:29:46+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb22f02d066455c95a6b3d5f3e54c1c4c5e1b136366c8b1b9b54cfd4f90b6229f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/6FfBhYd68SSUthEN72v5Tq.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6FfBhYd68SSUthEN72v5Tq
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xb22f02d066455c95a6b3d5f3e54c1c4c5e1b136366c8b1b9b54cfd4f90b6229f","isrc":"TCADC1793373","name":"Žiju Jinej Svět","registered_at":"2026-06-20T12:29:46Z","spotify_id":"6FfBhYd68SSUthEN72v5Tq","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb22f02d066455c95a6b3d5f3e54c1c4c5e1b136366c8b1b9b54cfd4f90b6229f. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6FfBhYd68SSUthEN72v5Tq.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6FfBhYd68SSUthEN72v5Tq.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0xb22f02d066455c95a6b3d5f3e54c1c4c5e1b136366c8b1b9b54cfd4f90b6229f","isrc":"TCADC1793373","name":"Žiju Jinej Svět","registered_at":"2026-06-20T12:29:46Z","spotify_id":"6FfBhYd68SSUthEN72v5Tq","type":"track"}
track: Vesmírná Loď
  type: MusicRecording
  duration: PT3M3S
  duration ms: 183722
  explicit: false
  by artist: Sergei Barracuda
  in album: 713
    type: MusicAlbum
    date published: 2017-06-29
  isrc code: TCADC1793386
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T14:00:23+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc58fedcc3491a4e487318e17e3edbd53f011b5d7c614738f28e7c183a6fca08f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/2cVUvEOo34mGvmC5xxjAOE.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2cVUvEOo34mGvmC5xxjAOE
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xc58fedcc3491a4e487318e17e3edbd53f011b5d7c614738f28e7c183a6fca08f","isrc":"TCADC1793386","name":"Vesmírná Loď","registered_at":"2026-06-08T14:00:23Z","spotify_id":"2cVUvEOo34mGvmC5xxjAOE","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc58fedcc3491a4e487318e17e3edbd53f011b5d7c614738f28e7c183a6fca08f. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2cVUvEOo34mGvmC5xxjAOE.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2cVUvEOo34mGvmC5xxjAOE.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0xc58fedcc3491a4e487318e17e3edbd53f011b5d7c614738f28e7c183a6fca08f","isrc":"TCADC1793386","name":"Vesmírná Loď","registered_at":"2026-06-08T14:00:23Z","spotify_id":"2cVUvEOo34mGvmC5xxjAOE","type":"track"}
track: Ilegálny Flow
  type: MusicRecording
  duration: PT3M42S
  duration ms: 222608
  explicit: false
  by artist: Sergei Barracuda
  by artist: DeliK
  in album: 713
    type: MusicAlbum
    date published: 2017-06-29
  isrc code: TCADC1793406
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSRecordURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
track: Kandino Patkani
track: Dobré časy
track: Bazooka Rock
track: Každý Den
track: James Brown
track: Moneymaking
track: Tvá Stará
track: Jaký Je to Pocit
track: Na Hotelu
track: Buduju
track: Zpátky V Bloku
track: Motivační Píseň
track: Žádný Limit
track: Riderz

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-22T07:17:24+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x880cea8ee9cb3e68d841daa79b6e667eb27916034000877cb7172435bf84b0d1

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956304

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/956304

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/32Qrgf4lL12ynCJcC1bCuC.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/32Qrgf4lL12ynCJcC1bCuC

OTSTimestamp
type: PropertyValue
value: 2026-07-02T03:55:08Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x880cea8ee9cb3e68d841daa79b6e667eb27916034000877cb7172435bf84b0d1","isrc":"TCADC1793406","name":"Ilegálny Flow","registered_at":"2026-06-22T07:17:24Z","spotify_id":"32Qrgf4lL12ynCJcC1bCuC","type":"track"}

OTSVerifyInstructions
type: PropertyValue
value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x880cea8ee9cb3e68d841daa79b6e667eb27916034000877cb7172435bf84b0d1. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/32Qrgf4lL12ynCJcC1bCuC.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/32Qrgf4lL12ynCJcC1bCuC.
date published: 2026-07-02T03:55:08Z
text: {"copyright_id":"0x880cea8ee9cb3e68d841daa79b6e667eb27916034000877cb7172435bf84b0d1","isrc":"TCADC1793406","name":"Ilegálny Flow","registered_at":"2026-06-22T07:17:24Z","spotify_id":"32Qrgf4lL12ynCJcC1bCuC","type":"track"}

Kandino Patkani
type: MusicRecording
duration: PT3M33S
duration ms: 213146
explicit: false
by artist: Sergei Barracuda
by artist: Rytmus
in album: 713
  type: MusicAlbum
  date published: 2017-06-29
isrc code: TCADC1793846
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T04:48:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfb6f941e0e83e227936dfc7edbbc65d38b6576dd60b600d06acab9601e90b284
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6xMZgE1V4izdvP9NBcMtDg.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6xMZgE1V4izdvP9NBcMtDg
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xfb6f941e0e83e227936dfc7edbbc65d38b6576dd60b600d06acab9601e90b284","isrc":"TCADC1793846","name":"Kandino Patkani","registered_at":"2026-06-18T04:48:07Z","spotify_id":"6xMZgE1V4izdvP9NBcMtDg","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb6f941e0e83e227936dfc7edbbc65d38b6576dd60b600d06acab9601e90b284. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6xMZgE1V4izdvP9NBcMtDg.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6xMZgE1V4izdvP9NBcMtDg.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0xfb6f941e0e83e227936dfc7edbbc65d38b6576dd60b600d06acab9601e90b284","isrc":"TCADC1793846","name":"Kandino Patkani","registered_at":"2026-06-18T04:48:07Z","spotify_id":"6xMZgE1V4izdvP9NBcMtDg","type":"track"}

Dobré časy
type: MusicRecording
duration: PT2M52S
duration ms: 172607
explicit: false
by artist: Sergei Barracuda
in album: 713
  type: MusicAlbum
  date published: 2017-06-29
isrc code: TCADC1793855
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T06:33:58+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xaf36730389b85e8d301b5928f5f119e70f03026d3b74cfd33831e17a9e3af71e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2eba3gMRzt3dCgAHYc3uSB.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2eba3gMRzt3dCgAHYc3uSB
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xaf36730389b85e8d301b5928f5f119e70f03026d3b74cfd33831e17a9e3af71e","isrc":"TCADC1793855","name":"Dobré časy","registered_at":"2026-06-10T06:33:58Z","spotify_id":"2eba3gMRzt3dCgAHYc3uSB","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf36730389b85e8d301b5928f5f119e70f03026d3b74cfd33831e17a9e3af71e. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2eba3gMRzt3dCgAHYc3uSB.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2eba3gMRzt3dCgAHYc3uSB.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xaf36730389b85e8d301b5928f5f119e70f03026d3b74cfd33831e17a9e3af71e","isrc":"TCADC1793855","name":"Dobré časy","registered_at":"2026-06-10T06:33:58Z","spotify_id":"2eba3gMRzt3dCgAHYc3uSB","type":"track"}

Bazooka Rock
type: MusicRecording
duration: PT4M36S
duration ms: 276380
explicit: false
by artist: Sergei Barracuda
by artist: Moja Reč
in album: 713
  type: MusicAlbum
  date published: 2017-06-29
isrc code: TCADC1793857
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T19:43:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x97d7e73dc5528a880fda1b1baddeddccf7a51c8c40211024f6ff6556eeadeab6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/53qNKKWE3RoTGS48ryRN0L.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/53qNKKWE3RoTGS48ryRN0L
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x97d7e73dc5528a880fda1b1baddeddccf7a51c8c40211024f6ff6556eeadeab6","isrc":"TCADC1793857","name":"Bazooka Rock","registered_at":"2026-06-24T19:43:16Z","spotify_id":"53qNKKWE3RoTGS48ryRN0L","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97d7e73dc5528a880fda1b1baddeddccf7a51c8c40211024f6ff6556eeadeab6. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/53qNKKWE3RoTGS48ryRN0L.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/53qNKKWE3RoTGS48ryRN0L.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x97d7e73dc5528a880fda1b1baddeddccf7a51c8c40211024f6ff6556eeadeab6","isrc":"TCADC1793857","name":"Bazooka Rock","registered_at":"2026-06-24T19:43:16Z","spotify_id":"53qNKKWE3RoTGS48ryRN0L","type":"track"}

Každý Den
type: MusicRecording
duration: PT0M41S
duration ms: 41754
explicit: false
by artist: Sergei Barracuda
in album: 713
  type: MusicAlbum
  date published: 2017-06-29
isrc code: TCADC1793860
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T07:13:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb9565eb54ce0fce1f04247e227a78b4f1eb21c93edbbf6cfcb87e7d94f1c6f4d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/53ceyN9MdSbEgn4hYPwRlA.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/53ceyN9MdSbEgn4hYPwRlA
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb9565eb54ce0fce1f04247e227a78b4f1eb21c93edbbf6cfcb87e7d94f1c6f4d","isrc":"TCADC1793860","name":"Každý Den","registered_at":"2026-06-22T07:13:48Z","spotify_id":"53ceyN9MdSbEgn4hYPwRlA","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9565eb54ce0fce1f04247e227a78b4f1eb21c93edbbf6cfcb87e7d94f1c6f4d. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/53ceyN9MdSbEgn4hYPwRlA.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/53ceyN9MdSbEgn4hYPwRlA.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0xb9565eb54ce0fce1f04247e227a78b4f1eb21c93edbbf6cfcb87e7d94f1c6f4d","isrc":"TCADC1793860","name":"Každý Den","registered_at":"2026-06-22T07:13:48Z","spotify_id":"53ceyN9MdSbEgn4hYPwRlA","type":"track"}

James Brown
type: MusicRecording
duration: PT3M8S
duration ms: 188463
explicit: false
by artist: Sergei Barracuda
in album: 713
  type: MusicAlbum
  date published: 2017-06-29
isrc code: TCADC1793867
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T16:11:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd13e9c5cf69dc9fbb7395288a3f0838613d17161eb8b6d4f2bfb826cc6648fdb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2FurjpelVRKQ91WoMMOJAO.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2FurjpelVRKQ91WoMMOJAO
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd13e9c5cf69dc9fbb7395288a3f0838613d17161eb8b6d4f2bfb826cc6648fdb","isrc":"TCADC1793867","name":"James Brown","registered_at":"2026-06-19T16:11:24Z","spotify_id":"2FurjpelVRKQ91WoMMOJAO","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd13e9c5cf69dc9fbb7395288a3f0838613d17161eb8b6d4f2bfb826cc6648fdb. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2FurjpelVRKQ91WoMMOJAO.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2FurjpelVRKQ91WoMMOJAO.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0xd13e9c5cf69dc9fbb7395288a3f0838613d17161eb8b6d4f2bfb826cc6648fdb","isrc":"TCADC1793867","name":"James Brown","registered_at":"2026-06-19T16:11:24Z","spotify_id":"2FurjpelVRKQ91WoMMOJAO","type":"track"}

Moneymaking
type: MusicRecording
duration: PT3M34S
duration ms: 214799
explicit: false
by artist: Sergei Barracuda
by artist: Igor
in album: 713
  type: MusicAlbum
  date published: 2017-06-29
isrc code: TCADC1793868
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T23:05:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x55ef9e64d17115a4ed95ad698a81e835ec03478cc40bd9e4e36722368eb2eb73
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/70x1IKoqdTOzh5EBuhi0mo.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/70x1IKoqdTOzh5EBuhi0mo
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55ef9e64d17115a4ed95ad698a81e835ec03478cc40bd9e4e36722368eb2eb73. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/70x1IKoqdTOzh5EBuhi0mo.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/70x1IKoqdTOzh5EBuhi0mo.
  date published: 2026-07-02T03:55:08Z

Tvá Stará
type: MusicRecording
duration: PT3M0S
duration ms: 180775
explicit: false
by artist: Sergei Barracuda
in album: 713
  type: MusicAlbum
  date published: 2017-06-29
isrc code: TCADC1793870
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T04:46:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf0c5e993188cc62f0d83270a71d4fe36469535fb5a470556b4282c086d0f2ebf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0OzFaB6UOzaA1d49ZzvSXr.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0OzFaB6UOzaA1d49ZzvSXr
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf0c5e993188cc62f0d83270a71d4fe36469535fb5a470556b4282c086d0f2ebf","isrc":"TCADC1793870","name":"Tvá Stará","registered_at":"2026-06-18T04:46:17Z","spotify_id":"0OzFaB6UOzaA1d49ZzvSXr","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0c5e993188cc62f0d83270a71d4fe36469535fb5a470556b4282c086d0f2ebf. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0OzFaB6UOzaA1d49ZzvSXr.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0OzFaB6UOzaA1d49ZzvSXr.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0xf0c5e993188cc62f0d83270a71d4fe36469535fb5a470556b4282c086d0f2ebf","isrc":"TCADC1793870","name":"Tvá Stará","registered_at":"2026-06-18T04:46:17Z","spotify_id":"0OzFaB6UOzaA1d49ZzvSXr","type":"track"}

Jaký Je to Pocit
type: MusicRecording
duration: PT3M7S
duration ms: 187630
explicit: false
by artist: Sergei Barracuda
by artist: Gvmble
in album: 713
  type: MusicAlbum
  date published: 2017-06-29
isrc code: TCADC1793885
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T07:18:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6c18489a1173bc75a73750b2a3e638f23cf4559df9649c03385ae872e315688c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0PK0zkGbSCDUiWDxTQRbNh.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0PK0zkGbSCDUiWDxTQRbNh
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6c18489a1173bc75a73750b2a3e638f23cf4559df9649c03385ae872e315688c","isrc":"TCADC1793885","name":"Jaký Je to Pocit","registered_at":"2026-06-22T07:18:49Z","spotify_id":"0PK0zkGbSCDUiWDxTQRbNh","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c18489a1173bc75a73750b2a3e638f23cf4559df9649c03385ae872e315688c. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0PK0zkGbSCDUiWDxTQRbNh.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0PK0zkGbSCDUiWDxTQRbNh.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x6c18489a1173bc75a73750b2a3e638f23cf4559df9649c03385ae872e315688c","isrc":"TCADC1793885","name":"Jaký Je to Pocit","registered_at":"2026-06-22T07:18:49Z","spotify_id":"0PK0zkGbSCDUiWDxTQRbNh","type":"track"}

Na Hotelu
type: MusicRecording
duration: PT4M1S
duration ms: 241068
explicit: false
by artist: Sergei Barracuda
by artist: Pastor
in album: 713
  type: MusicAlbum
  date published: 2017-06-29
isrc code: TCADC1793932
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T06:17:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5bce13cc0a7dc6a60d9de55cf363a04c02fb6bca850e04f9769ada914e6d654c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3lKzPTZ9Pdctig5lsoHgLm.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3lKzPTZ9Pdctig5lsoHgLm
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5bce13cc0a7dc6a60d9de55cf363a04c02fb6bca850e04f9769ada914e6d654c","isrc":"TCADC1793932","name":"Na Hotelu","registered_at":"2026-06-19T06:17:34Z","spotify_id":"3lKzPTZ9Pdctig5lsoHgLm","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bce13cc0a7dc6a60d9de55cf363a04c02fb6bca850e04f9769ada914e6d654c. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3lKzPTZ9Pdctig5lsoHgLm.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3lKzPTZ9Pdctig5lsoHgLm.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x5bce13cc0a7dc6a60d9de55cf363a04c02fb6bca850e04f9769ada914e6d654c","isrc":"TCADC1793932","name":"Na Hotelu","registered_at":"2026-06-19T06:17:34Z","spotify_id":"3lKzPTZ9Pdctig5lsoHgLm","type":"track"}

Buduju
type: MusicRecording
duration: PT0M41S
duration ms: 41676
explicit: false
by artist: Sergei Barracuda
in album: 713
  type: MusicAlbum
  date published: 2017-06-29
isrc code: TCADC1793937
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T12:56:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5e766694ef809f7be84505f4920e68154ca6e1a2c43d6d0ce49d4601115b44f4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956349
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956349
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/07w9qyFnL3EUPDGWutC1Re.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/07w9qyFnL3EUPDGWutC1Re
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:34:59Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e766694ef809f7be84505f4920e68154ca6e1a2c43d6d0ce49d4601115b44f4. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/07w9qyFnL3EUPDGWutC1Re.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/07w9qyFnL3EUPDGWutC1Re.
  date published: 2026-07-02T11:34:59Z

Zpátky V Bloku
type: MusicRecording
duration: PT3M22S
duration ms: 202502
explicit: false
by artist: Sergei Barracuda
by artist: Pastor
in album: 713
  type: MusicAlbum
  date published: 2017-06-29
isrc code: TCADC1793938
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T19:44:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5777cc373bcfca0c025f6126b89eae27ea2aea755832a8877381fc1c404b6f10
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6Brr86vOVJl5ANBxKO1acG.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6Brr86vOVJl5ANBxKO1acG
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5777cc373bcfca0c025f6126b89eae27ea2aea755832a8877381fc1c404b6f10","isrc":"TCADC1793938","name":"Zpátky V Bloku","registered_at":"2026-06-24T19:44:41Z","spotify_id":"6Brr86vOVJl5ANBxKO1acG","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5777cc373bcfca0c025f6126b89eae27ea2aea755832a8877381fc1c404b6f10. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6Brr86vOVJl5ANBxKO1acG.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6Brr86vOVJl5ANBxKO1acG.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x5777cc373bcfca0c025f6126b89eae27ea2aea755832a8877381fc1c404b6f10","isrc":"TCADC1793938","name":"Zpátky V Bloku","registered_at":"2026-06-24T19:44:41Z","spotify_id":"6Brr86vOVJl5ANBxKO1acG","type":"track"}

Motivační Píseň
type: MusicRecording
duration: PT3M43S
duration ms: 223551
explicit: false
by artist: Sergei Barracuda
by artist: Smack
in album: 713
  type: MusicAlbum
  date published: 2017-06-29
isrc code: TCADC1793939
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T10:46:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x60481b17171639e89af873beb8b0fa17b376523807d840af1c6d0252059b2e6a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7iEJnMns5hHW1QmBhESCJA.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7iEJnMns5hHW1QmBhESCJA
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x60481b17171639e89af873beb8b0fa17b376523807d840af1c6d0252059b2e6a","isrc":"TCADC1793939","name":"Motivační Píseň","registered_at":"2026-06-20T10:46:36Z","spotify_id":"7iEJnMns5hHW1QmBhESCJA","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60481b17171639e89af873beb8b0fa17b376523807d840af1c6d0252059b2e6a. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7iEJnMns5hHW1QmBhESCJA.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7iEJnMns5hHW1QmBhESCJA.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x60481b17171639e89af873beb8b0fa17b376523807d840af1c6d0252059b2e6a","isrc":"TCADC1793939","name":"Motivační Píseň","registered_at":"2026-06-20T10:46:36Z","spotify_id":"7iEJnMns5hHW1QmBhESCJA","type":"track"}

Žádný Limit
type: MusicRecording
duration: PT3M4S
duration ms: 184003
explicit: false
by artist: Sergei Barracuda
in album: 713
  type: MusicAlbum
  date published: 2017-06-29
isrc code: TCADC1793940
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T08:29:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3439af5d3f0e656574f272faec225db2f1dcb566b309c82133c516bd05bcc5fd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/75icKhabbo1B4tGRkrTOa5.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/75icKhabbo1B4tGRkrTOa5
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x3439af5d3f0e656574f272faec225db2f1dcb566b309c82133c516bd05bcc5fd","isrc":"TCADC1793940","name":"Žádný Limit","registered_at":"2026-06-21T08:29:27Z","spotify_id":"75icKhabbo1B4tGRkrTOa5","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3439af5d3f0e656574f272faec225db2f1dcb566b309c82133c516bd05bcc5fd. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/75icKhabbo1B4tGRkrTOa5.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/75icKhabbo1B4tGRkrTOa5.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x3439af5d3f0e656574f272faec225db2f1dcb566b309c82133c516bd05bcc5fd","isrc":"TCADC1793940","name":"Žádný Limit","registered_at":"2026-06-21T08:29:27Z","spotify_id":"75icKhabbo1B4tGRkrTOa5","type":"track"}

Riderz
type: MusicRecording
duration: PT4M56S
duration ms: 296575
explicit: false
by artist: Sergei Barracuda
by artist: Pastor
in album: 713
  type: MusicAlbum
  date published: 2017-06-29
isrc code: TCADC1793945
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T07:16:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x289a54b6f5b230cd75d2091024386c8466abcf40540aca52348318d41e92d422
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3TZ2n7U3326VXijkAiL7ax.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3TZ2n7U3326VXijkAiL7ax
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x289a54b6f5b230cd75d2091024386c8466abcf40540aca52348318d41e92d422. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3TZ2n7U3326VXijkAiL7ax.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3TZ2n7U3326VXijkAiL7ax.
  date published: 2026-07-02T03:55:08Z

Pouliční Ekonomická 2.5: Notorický Hustler
type: MusicAlbum
date published: 2016-09-27
track: Svěží Dech
  type: MusicRecording
  duration: PT3M6S
  duration ms: 186256
  explicit: false
  by artist: Sergei Barracuda
  in album: Pouliční Ekonomická 2.5: Notorický Hustler
    type: MusicAlbum
    date published: 2016-09-27
  isrc code: TCACR1671295
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-21T08:00:02+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xfab3c639664970447d927854ee93d6d83d60d1da7bb9e6a7750c403323438fa7
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/1KpxXeENFkbMlT1q3leQHJ.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1KpxXeENFkbMlT1q3leQHJ
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xfab3c639664970447d927854ee93d6d83d60d1da7bb9e6a7750c403323438fa7","isrc":"TCACR1671295","name":"Svěží Dech","registered_at":"2026-06-21T08:00:02Z","spotify_id":"1KpxXeENFkbMlT1q3leQHJ","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfab3c639664970447d927854ee93d6d83d60d1da7bb9e6a7750c403323438fa7. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1KpxXeENFkbMlT1q3leQHJ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1KpxXeENFkbMlT1q3leQHJ.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0xfab3c639664970447d927854ee93d6d83d60d1da7bb9e6a7750c403323438fa7","isrc":"TCACR1671295","name":"Svěží Dech","registered_at":"2026-06-21T08:00:02Z","spotify_id":"1KpxXeENFkbMlT1q3leQHJ","type":"track"}
track: Agent 47 (feat. Pil C)
  type: MusicRecording
  duration: PT3M36S
  duration ms: 216760
  explicit: false
  by artist: Sergei Barracuda
  by artist: Pil C
  in album: Pouliční Ekonomická 2.5: Notorický Hustler
    type: MusicAlbum
    date published: 2016-09-27
  isrc code: TCACR1671296
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T21:26:24+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9fbca795c23fd1783443a4a2e366f9a47c8eac817b2432ea2b6e6462b9141d75
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/1tJHcGnJcCcuZ7hVa7vRkQ.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1tJHcGnJcCcuZ7hVa7vRkQ
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x9fbca795c23fd1783443a4a2e366f9a47c8eac817b2432ea2b6e6462b9141d75","isrc":"TCACR1671296","name":"Agent 47 (feat. Pil C)","registered_at":"2026-06-07T21:26:24Z","spotify_id":"1tJHcGnJcCcuZ7hVa7vRkQ","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fbca795c23fd1783443a4a2e366f9a47c8eac817b2432ea2b6e6462b9141d75. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1tJHcGnJcCcuZ7hVa7vRkQ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1tJHcGnJcCcuZ7hVa7vRkQ.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x9fbca795c23fd1783443a4a2e366f9a47c8eac817b2432ea2b6e6462b9141d75","isrc":"TCACR1671296","name":"Agent 47 (feat. Pil C)","registered_at":"2026-06-07T21:26:24Z","spotify_id":"1tJHcGnJcCcuZ7hVa7vRkQ","type":"track"}
track: O.M.B.
  type: MusicRecording
  duration: PT3M2S
  duration ms: 182088
  explicit: false
  by artist: Sergei Barracuda
  in album: Pouliční Ekonomická 2.5: Notorický Hustler
    type: MusicAlbum
    date published: 2016-09-27
  isrc code: TCACR1671300
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-11T16:15:41+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc14ac166071c7ac3b9de21b2b7826c600b4055747e0439e795173999a106da54
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953520
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953520
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/0jSgW0xdzVwjjGuhj4wZT2.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0jSgW0xdzVwjjGuhj4wZT2
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc14ac166071c7ac3b9de21b2b7826c600b4055747e0439e795173999a106da54. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0jSgW0xdzVwjjGuhj4wZT2.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0jSgW0xdzVwjjGuhj4wZT2.
    date published: 2026-06-13T13:32:09Z
track: Jako Mafie (feat. Pastor)
  type: MusicRecording
  duration: PT4M14S
  duration ms: 254205
  explicit: false
  by artist: Sergei Barracuda
  by artist: Pastor
  in album: Pouliční Ekonomická 2.5: Notorický Hustler
    type: MusicAlbum
    date published: 2016-09-27
  isrc code: TCACR1671301
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T21:26:12+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4c2783d3ba6fa45c35742d104b888466cce5ad5e9ca23d0b2ed0627abde410bd
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/4rAjp6KAZmC2WY6cL8x5QU.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4rAjp6KAZmC2WY6cL8x5QU
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x4c2783d3ba6fa45c35742d104b888466cce5ad5e9ca23d0b2ed0627abde410bd","isrc":"TCACR1671301","name":"Jako Mafie (feat. Pastor)","registered_at":"2026-06-07T21:26:12Z","spotify_id":"4rAjp6KAZmC2WY6cL8x5QU","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c2783d3ba6fa45c35742d104b888466cce5ad5e9ca23d0b2ed0627abde410bd. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4rAjp6KAZmC2WY6cL8x5QU.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4rAjp6KAZmC2WY6cL8x5QU.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x4c2783d3ba6fa45c35742d104b888466cce5ad5e9ca23d0b2ed0627abde410bd","isrc":"TCACR1671301","name":"Jako Mafie (feat. Pastor)","registered_at":"2026-06-07T21:26:12Z","spotify_id":"4rAjp6KAZmC2WY6cL8x5QU","type":"track"}
track: Láska Beze Slov Rmx (feat. Bee)
  type: MusicRecording
  duration: PT3M31S
  duration ms: 211802
  explicit: false
  by artist: Sergei Barracuda
  by artist: Bee
  in album: Pouliční Ekonomická 2.5: Notorický Hustler
    type: MusicAlbum
    date published: 2016-09-27
  isrc code: TCACR1671304
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSRecordURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
track: Notorický Hustler
track: Trap House
track: F.L.Y.
track: Nejsou Ready
track: Okay (feat. Gvmble)

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-21T08:05:00+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xca25045b551faa7645b3449c6eddd7033569b335cf1e32a5c24abf01b9ddff13

OTSHash
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OTSBitcoinBlock
type: PropertyValue
value: 956304

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/956304

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/5T9vK6qG1PtRrfJFnrmth5.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5T9vK6qG1PtRrfJFnrmth5

OTSTimestamp
type: PropertyValue
value: 2026-07-02T03:55:08Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0xca25045b551faa7645b3449c6eddd7033569b335cf1e32a5c24abf01b9ddff13","isrc":"TCACR1671304","name":"Láska Beze Slov Rmx (feat. Bee)","registered_at":"2026-06-21T08:05:00Z","spotify_id":"5T9vK6qG1PtRrfJFnrmth5","type":"track"}

OTSVerifyInstructions
type: PropertyValue
value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca25045b551faa7645b3449c6eddd7033569b335cf1e32a5c24abf01b9ddff13. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5T9vK6qG1PtRrfJFnrmth5.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5T9vK6qG1PtRrfJFnrmth5.
date published: 2026-07-02T03:55:08Z
text: {"copyright_id":"0xca25045b551faa7645b3449c6eddd7033569b335cf1e32a5c24abf01b9ddff13","isrc":"TCACR1671304","name":"Láska Beze Slov Rmx (feat. Bee)","registered_at":"2026-06-21T08:05:00Z","spotify_id":"5T9vK6qG1PtRrfJFnrmth5","type":"track"}

Notorický Hustler
type: MusicRecording
duration: PT3M34S
duration ms: 214943
explicit: false
by artist: Sergei Barracuda
in album: Pouliční Ekonomická 2.5: Notorický Hustler
  type: MusicAlbum
  date published: 2016-09-27
isrc code: TCACR1671305
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T15:18:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc806b6c845b0335ec34dd3dbcffc0a7f0e2ac14fbb13a8818515357a99d898fc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0dpm82SO6LHCRFz8iz6rbm.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0dpm82SO6LHCRFz8iz6rbm
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc806b6c845b0335ec34dd3dbcffc0a7f0e2ac14fbb13a8818515357a99d898fc","isrc":"TCACR1671305","name":"Notorický Hustler","registered_at":"2026-06-11T15:18:50Z","spotify_id":"0dpm82SO6LHCRFz8iz6rbm","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc806b6c845b0335ec34dd3dbcffc0a7f0e2ac14fbb13a8818515357a99d898fc. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0dpm82SO6LHCRFz8iz6rbm.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0dpm82SO6LHCRFz8iz6rbm.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0xc806b6c845b0335ec34dd3dbcffc0a7f0e2ac14fbb13a8818515357a99d898fc","isrc":"TCACR1671305","name":"Notorický Hustler","registered_at":"2026-06-11T15:18:50Z","spotify_id":"0dpm82SO6LHCRFz8iz6rbm","type":"track"}

Trap House
type: MusicRecording
duration: PT3M33S
duration ms: 213901
explicit: false
by artist: Sergei Barracuda
in album: Pouliční Ekonomická 2.5: Notorický Hustler
  type: MusicAlbum
  date published: 2016-09-27
isrc code: TCACR1671306
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T20:19:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0090dc31655a247ed2bb5d5e592dc244be7793b003f6eb57a0b84f5f61b10559
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1tP2DKT80C9ffCmtKY8MHO.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1tP2DKT80C9ffCmtKY8MHO
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0090dc31655a247ed2bb5d5e592dc244be7793b003f6eb57a0b84f5f61b10559","isrc":"TCACR1671306","name":"Trap House","registered_at":"2026-06-10T20:19:39Z","spotify_id":"1tP2DKT80C9ffCmtKY8MHO","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0090dc31655a247ed2bb5d5e592dc244be7793b003f6eb57a0b84f5f61b10559. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1tP2DKT80C9ffCmtKY8MHO.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1tP2DKT80C9ffCmtKY8MHO.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x0090dc31655a247ed2bb5d5e592dc244be7793b003f6eb57a0b84f5f61b10559","isrc":"TCACR1671306","name":"Trap House","registered_at":"2026-06-10T20:19:39Z","spotify_id":"1tP2DKT80C9ffCmtKY8MHO","type":"track"}

F.L.Y.
type: MusicRecording
duration: PT3M29S
duration ms: 209000
explicit: false
by artist: Sergei Barracuda
in album: Pouliční Ekonomická 2.5: Notorický Hustler
  type: MusicAlbum
  date published: 2016-09-27
isrc code: TCACR1671307
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T15:43:51+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x03d771ff0bf2afc2f53920221dff43a977aeabb1ddf5a4bdb47ef677801ca007
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/39MlF2ZplNtVaaJntDqMAx.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/39MlF2ZplNtVaaJntDqMAx
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03d771ff0bf2afc2f53920221dff43a977aeabb1ddf5a4bdb47ef677801ca007. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/39MlF2ZplNtVaaJntDqMAx.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/39MlF2ZplNtVaaJntDqMAx.
  date published: 2026-07-02T03:55:08Z

Nejsou Ready
type: MusicRecording
duration: PT3M54S
duration ms: 234582
explicit: false
by artist: Sergei Barracuda
in album: Pouliční Ekonomická 2.5: Notorický Hustler
  type: MusicAlbum
  date published: 2016-09-27
isrc code: TCACR1671308
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T10:32:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd749d4bc3a36946e1aa64716ac3d52a7d7f8a0cc3888bf06a5768e810702e87e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0twJXkvPZolPpBDN1XRDTA.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0twJXkvPZolPpBDN1XRDTA
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd749d4bc3a36946e1aa64716ac3d52a7d7f8a0cc3888bf06a5768e810702e87e","isrc":"TCACR1671308","name":"Nejsou Ready","registered_at":"2026-06-20T10:32:02Z","spotify_id":"0twJXkvPZolPpBDN1XRDTA","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd749d4bc3a36946e1aa64716ac3d52a7d7f8a0cc3888bf06a5768e810702e87e. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0twJXkvPZolPpBDN1XRDTA.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0twJXkvPZolPpBDN1XRDTA.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0xd749d4bc3a36946e1aa64716ac3d52a7d7f8a0cc3888bf06a5768e810702e87e","isrc":"TCACR1671308","name":"Nejsou Ready","registered_at":"2026-06-20T10:32:02Z","spotify_id":"0twJXkvPZolPpBDN1XRDTA","type":"track"}

Okay (feat. Gvmble)
type: MusicRecording
duration: PT3M31S
duration ms: 211009
explicit: false
by artist: Sergei Barracuda
by artist: Gvmble
in album: Pouliční Ekonomická 2.5: Notorický Hustler
  type: MusicAlbum
  date published: 2016-09-27
isrc code: TCACR1671309
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T12:02:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe3f50692ad34747e9e909bcf6586238a45c655c7357f5cc110d27bdc1b4164fd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6IKffzNw0eiLxZU96PLxgv.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6IKffzNw0eiLxZU96PLxgv
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe3f50692ad34747e9e909bcf6586238a45c655c7357f5cc110d27bdc1b4164fd","isrc":"TCACR1671309","name":"Okay (feat. Gvmble)","registered_at":"2026-06-20T12:02:23Z","spotify_id":"6IKffzNw0eiLxZU96PLxgv","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3f50692ad34747e9e909bcf6586238a45c655c7357f5cc110d27bdc1b4164fd. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6IKffzNw0eiLxZU96PLxgv.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6IKffzNw0eiLxZU96PLxgv.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xe3f50692ad34747e9e909bcf6586238a45c655c7357f5cc110d27bdc1b4164fd","isrc":"TCACR1671309","name":"Okay (feat. Gvmble)","registered_at":"2026-06-20T12:02:23Z","spotify_id":"6IKffzNw0eiLxZU96PLxgv","type":"track"}

713 až na věky
type: MusicAlbum
date published: 2024-10-31
track: Slzy, krev a pot
  type: MusicRecording
  duration: PT2M36S
  duration ms: 156444
  explicit: false
  by artist: Sergei Barracuda
  in album: 713 až na věky
    type: MusicAlbum
    date published: 2024-10-31
  isrc code: CZUM72400968
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-05T22:22:04+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe4c68a1151eff06cfc8727cca6401b0fb944aa0f7a34ec9e147e9e203c9395ad
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/5TqAjpumtT0S9kgH4Bgk6x.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5TqAjpumtT0S9kgH4Bgk6x
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xe4c68a1151eff06cfc8727cca6401b0fb944aa0f7a34ec9e147e9e203c9395ad","isrc":"CZUM72400968","name":"Slzy, krev a pot","registered_at":"2026-06-05T22:22:04Z","spotify_id":"5TqAjpumtT0S9kgH4Bgk6x","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4c68a1151eff06cfc8727cca6401b0fb944aa0f7a34ec9e147e9e203c9395ad. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5TqAjpumtT0S9kgH4Bgk6x.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5TqAjpumtT0S9kgH4Bgk6x.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0xe4c68a1151eff06cfc8727cca6401b0fb944aa0f7a34ec9e147e9e203c9395ad","isrc":"CZUM72400968","name":"Slzy, krev a pot","registered_at":"2026-06-05T22:22:04Z","spotify_id":"5TqAjpumtT0S9kgH4Bgk6x","type":"track"}
track: Dopředu a zpět II
  type: MusicRecording
  duration: PT3M38S
  duration ms: 218978
  explicit: false
  by artist: Sergei Barracuda
  in album: 713 až na věky
    type: MusicAlbum
    date published: 2024-10-31
  isrc code: CZUM72400969
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T12:24:59+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd73526835d15fa592f8374d2a81a9516ee983e9b85d89bba9df0a55059cf7b27
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953513
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/0xHAEDu8FQIJ35u7XKQDDF.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0xHAEDu8FQIJ35u7XKQDDF
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xd73526835d15fa592f8374d2a81a9516ee983e9b85d89bba9df0a55059cf7b27","isrc":"CZUM72400969","name":"Dopředu a zpět II","registered_at":"2026-06-06T12:24:59Z","spotify_id":"0xHAEDu8FQIJ35u7XKQDDF","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd73526835d15fa592f8374d2a81a9516ee983e9b85d89bba9df0a55059cf7b27. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0xHAEDu8FQIJ35u7XKQDDF.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0xHAEDu8FQIJ35u7XKQDDF.
    date published: 2026-06-13T12:47:07Z
    text: {"copyright_id":"0xd73526835d15fa592f8374d2a81a9516ee983e9b85d89bba9df0a55059cf7b27","isrc":"CZUM72400969","name":"Dopředu a zpět II","registered_at":"2026-06-06T12:24:59Z","spotify_id":"0xHAEDu8FQIJ35u7XKQDDF","type":"track"}
track: Neoznačené bankovky
  type: MusicRecording
  duration: PT2M33S
  duration ms: 153043
  explicit: false
  by artist: Sergei Barracuda
  in album: 713 až na věky
    type: MusicAlbum
    date published: 2024-10-31
  isrc code: CZUM72400970
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-05T13:43:21+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x00d5797ec29c41b4bb7809b6ae3d270bd08a8444916c92b041bec8382d3524d7
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/50TVvlM2nsa1zk0u7HLdEW.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/50TVvlM2nsa1zk0u7HLdEW
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x00d5797ec29c41b4bb7809b6ae3d270bd08a8444916c92b041bec8382d3524d7","isrc":"CZUM72400970","name":"Neoznačené bankovky","registered_at":"2026-06-05T13:43:21Z","spotify_id":"50TVvlM2nsa1zk0u7HLdEW","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00d5797ec29c41b4bb7809b6ae3d270bd08a8444916c92b041bec8382d3524d7. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/50TVvlM2nsa1zk0u7HLdEW.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/50TVvlM2nsa1zk0u7HLdEW.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0x00d5797ec29c41b4bb7809b6ae3d270bd08a8444916c92b041bec8382d3524d7","isrc":"CZUM72400970","name":"Neoznačené bankovky","registered_at":"2026-06-05T13:43:21Z","spotify_id":"50TVvlM2nsa1zk0u7HLdEW","type":"track"}
track: Jazyk za zuby
  type: MusicRecording
  duration: PT4M0S
  duration ms: 240000
  explicit: false
  by artist: Sergei Barracuda
  in album: 713 až na věky
    type: MusicAlbum
    date published: 2024-10-31
  isrc code: CZUM72400971
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-05T13:43:33+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xbe2aba1790f83c54e823d4e66d61ab4c831bbf8febb3cd0494919e6fb1579b43
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/0i4zduy8MrBLJsIMYioYPO.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0i4zduy8MrBLJsIMYioYPO
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xbe2aba1790f83c54e823d4e66d61ab4c831bbf8febb3cd0494919e6fb1579b43","isrc":"CZUM72400971","name":"Jazyk za zuby","registered_at":"2026-06-05T13:43:33Z","spotify_id":"0i4zduy8MrBLJsIMYioYPO","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe2aba1790f83c54e823d4e66d61ab4c831bbf8febb3cd0494919e6fb1579b43. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0i4zduy8MrBLJsIMYioYPO.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0i4zduy8MrBLJsIMYioYPO.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0xbe2aba1790f83c54e823d4e66d61ab4c831bbf8febb3cd0494919e6fb1579b43","isrc":"CZUM72400971","name":"Jazyk za zuby","registered_at":"2026-06-05T13:43:33Z","spotify_id":"0i4zduy8MrBLJsIMYioYPO","type":"track"}
track: Plamenomet
  type: MusicRecording
  duration: PT3M24S
  duration ms: 204705
  explicit: false
  by artist: Sergei Barracuda
  in album: 713 až na věky
    type: MusicAlbum
    date published: 2024-10-31
  isrc code: CZUM72400972
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSRecordURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
track: Peníze & moc
track: Ostrava
track: Směj se teď
track: Můza
track: Basquiat

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-07T03:41:28+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x3fc03dc47b4912bd266a338ff95ce3052e07fed14de35dc77c055bb47953be8e

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 953515

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/953515

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/5XT4xdCPwMHKGE3snUtCyO.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5XT4xdCPwMHKGE3snUtCyO

OTSTimestamp
type: PropertyValue
value: 2026-06-13T12:53:06Z

OTSCanonicalRecord
type: PropertyValue

OTSVerifyInstructions
type: PropertyValue
value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3fc03dc47b4912bd266a338ff95ce3052e07fed14de35dc77c055bb47953be8e. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5XT4xdCPwMHKGE3snUtCyO.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5XT4xdCPwMHKGE3snUtCyO.
date published: 2026-06-13T12:53:06Z

Peníze & moc
type: MusicRecording
duration: PT2M32S
duration ms: 152849
explicit: false
by artist: Sergei Barracuda
in album: 713 až na věky
  type: MusicAlbum
  date published: 2024-10-31
isrc code: CZUM72400973
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T05:49:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe5294f9e64ce143638e5cef81f5987f94da3539990e82e5795f116e9eef06630
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7wNMd2ohvMNrKOTj1RDGur.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7wNMd2ohvMNrKOTj1RDGur
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe5294f9e64ce143638e5cef81f5987f94da3539990e82e5795f116e9eef06630","isrc":"CZUM72400973","name":"Peníze & moc","registered_at":"2026-06-06T05:49:37Z","spotify_id":"7wNMd2ohvMNrKOTj1RDGur","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5294f9e64ce143638e5cef81f5987f94da3539990e82e5795f116e9eef06630. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7wNMd2ohvMNrKOTj1RDGur.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7wNMd2ohvMNrKOTj1RDGur.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xe5294f9e64ce143638e5cef81f5987f94da3539990e82e5795f116e9eef06630","isrc":"CZUM72400973","name":"Peníze & moc","registered_at":"2026-06-06T05:49:37Z","spotify_id":"7wNMd2ohvMNrKOTj1RDGur","type":"track"}

Ostrava
type: MusicRecording
duration: PT3M35S
duration ms: 215172
explicit: false
by artist: Sergei Barracuda
in album: 713 až na věky
  type: MusicAlbum
  date published: 2024-10-31
isrc code: CZUM72400695
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T11:13:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbaa870440156fbc56c8d23dc15277b0bc9ad5faff85edf8c01d05b7a1641af2c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3clWAaeLuAPUbKP8gb7y4Y.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3clWAaeLuAPUbKP8gb7y4Y
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbaa870440156fbc56c8d23dc15277b0bc9ad5faff85edf8c01d05b7a1641af2c. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3clWAaeLuAPUbKP8gb7y4Y.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3clWAaeLuAPUbKP8gb7y4Y.
  date published: 2026-06-13T17:25:41Z

Směj se teď
type: MusicRecording
duration: PT3M10S
duration ms: 190173
explicit: false
by artist: Sergei Barracuda
in album: 713 až na věky
  type: MusicAlbum
  date published: 2024-10-31
isrc code: CZUM72400236
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T09:12:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x45086f2dbaed0a4d680461d176fcfd8ccb15c3b5fbf29705dbcf8eeadcd57dc1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4DHktwgPm5VjDUPVNzD6Mp.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4DHktwgPm5VjDUPVNzD6Mp
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x45086f2dbaed0a4d680461d176fcfd8ccb15c3b5fbf29705dbcf8eeadcd57dc1","isrc":"CZUM72400236","name":"Směj se teď","registered_at":"2026-06-04T09:12:32Z","spotify_id":"4DHktwgPm5VjDUPVNzD6Mp","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45086f2dbaed0a4d680461d176fcfd8ccb15c3b5fbf29705dbcf8eeadcd57dc1. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4DHktwgPm5VjDUPVNzD6Mp.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4DHktwgPm5VjDUPVNzD6Mp.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x45086f2dbaed0a4d680461d176fcfd8ccb15c3b5fbf29705dbcf8eeadcd57dc1","isrc":"CZUM72400236","name":"Směj se teď","registered_at":"2026-06-04T09:12:32Z","spotify_id":"4DHktwgPm5VjDUPVNzD6Mp","type":"track"}

Můza
type: MusicRecording
duration: PT2M53S
duration ms: 173544
explicit: false
by artist: Sergei Barracuda
in album: 713 až na věky
  type: MusicAlbum
  date published: 2024-10-31
isrc code: CZUM72400974
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T22:19:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6dbf55d53224f89da05ebb37dbc2558eb375d04025cb3ddc6718a7a96efd1536
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5E2o9UQSVgmd6GUykkOKZb.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5E2o9UQSVgmd6GUykkOKZb
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6dbf55d53224f89da05ebb37dbc2558eb375d04025cb3ddc6718a7a96efd1536","isrc":"CZUM72400974","name":"Můza","registered_at":"2026-06-05T22:19:35Z","spotify_id":"5E2o9UQSVgmd6GUykkOKZb","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6dbf55d53224f89da05ebb37dbc2558eb375d04025cb3ddc6718a7a96efd1536. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5E2o9UQSVgmd6GUykkOKZb.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5E2o9UQSVgmd6GUykkOKZb.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x6dbf55d53224f89da05ebb37dbc2558eb375d04025cb3ddc6718a7a96efd1536","isrc":"CZUM72400974","name":"Můza","registered_at":"2026-06-05T22:19:35Z","spotify_id":"5E2o9UQSVgmd6GUykkOKZb","type":"track"}

Basquiat
type: MusicRecording
duration: PT2M34S
duration ms: 154160
explicit: false
by artist: Sergei Barracuda
in album: 713 až na věky
  type: MusicAlbum
  date published: 2024-10-31
isrc code: CZUM72400975
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T05:49:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbeb5e66252948cca7ab9ee77d4e49acdac86ff496f97c2baf309408cbd7eaf15
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6kxw7cRF6RJDwTdKGHxfOC.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6kxw7cRF6RJDwTdKGHxfOC
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbeb5e66252948cca7ab9ee77d4e49acdac86ff496f97c2baf309408cbd7eaf15. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6kxw7cRF6RJDwTdKGHxfOC.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6kxw7cRF6RJDwTdKGHxfOC.
  date published: 2026-06-13T17:25:41Z

Medusa II
type: MusicAlbum
date published: 2020-09-11
track: Mamba
  type: MusicRecording
  duration: PT4M2S
  duration ms: 242454
  explicit: false
  by artist: Sergei Barracuda
  by artist: Dokkeytino
  in album: Medusa II
    type: MusicAlbum
    date published: 2020-09-11
  isrc code: QZK6M2053494
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T02:36:18+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x40f89f54f6fc449379816406d02dbb65acd2cd84b8306affebe4cbb2937e64fa
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/107BhT0IgIZYLzx6o8hMxu.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/107BhT0IgIZYLzx6o8hMxu
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40f89f54f6fc449379816406d02dbb65acd2cd84b8306affebe4cbb2937e64fa. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/107BhT0IgIZYLzx6o8hMxu.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/107BhT0IgIZYLzx6o8hMxu.
    date published: 2026-06-13T15:41:10Z
track: Kouř
  type: MusicRecording
  duration: PT3M20S
  duration ms: 200142
  explicit: false
  by artist: Sergei Barracuda
  by artist: Ektor
  in album: Medusa II
    type: MusicAlbum
    date published: 2020-09-11
  isrc code: QZK6M2053495
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T10:01:11+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x814bededcf2112037f951588dedf7c7e779a4ddde8bdb4d0b4a960a19e1c916e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/5rMKt7kMaUA6ozS1tX5LiA.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5rMKt7kMaUA6ozS1tX5LiA
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x814bededcf2112037f951588dedf7c7e779a4ddde8bdb4d0b4a960a19e1c916e","isrc":"QZK6M2053495","name":"Kouř","registered_at":"2026-06-04T10:01:11Z","spotify_id":"5rMKt7kMaUA6ozS1tX5LiA","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x814bededcf2112037f951588dedf7c7e779a4ddde8bdb4d0b4a960a19e1c916e. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5rMKt7kMaUA6ozS1tX5LiA.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5rMKt7kMaUA6ozS1tX5LiA.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0x814bededcf2112037f951588dedf7c7e779a4ddde8bdb4d0b4a960a19e1c916e","isrc":"QZK6M2053495","name":"Kouř","registered_at":"2026-06-04T10:01:11Z","spotify_id":"5rMKt7kMaUA6ozS1tX5LiA","type":"track"}
track: Démon
  type: MusicRecording
  duration: PT4M17S
  duration ms: 257691
  explicit: false
  by artist: Sergei Barracuda
  in album: Medusa II
    type: MusicAlbum
    date published: 2020-09-11
  isrc code: QZK6M2053496
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T18:53:06+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2e819f970aab33bfc1410b27dcd8b8074e7daac6aa3db7f637b3a2f457b2f224
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953515
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953515
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/1M1ngFw3L3REJbmDdIiGSg.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1M1ngFw3L3REJbmDdIiGSg
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:53:06Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x2e819f970aab33bfc1410b27dcd8b8074e7daac6aa3db7f637b3a2f457b2f224","isrc":"QZK6M2053496","name":"Démon","registered_at":"2026-06-06T18:53:06Z","spotify_id":"1M1ngFw3L3REJbmDdIiGSg","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e819f970aab33bfc1410b27dcd8b8074e7daac6aa3db7f637b3a2f457b2f224. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1M1ngFw3L3REJbmDdIiGSg.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1M1ngFw3L3REJbmDdIiGSg.
    date published: 2026-06-13T12:53:06Z
    text: {"copyright_id":"0x2e819f970aab33bfc1410b27dcd8b8074e7daac6aa3db7f637b3a2f457b2f224","isrc":"QZK6M2053496","name":"Démon","registered_at":"2026-06-06T18:53:06Z","spotify_id":"1M1ngFw3L3REJbmDdIiGSg","type":"track"}
track: Jezebel
  type: MusicRecording
  duration: PT4M36S
  duration ms: 276181
  explicit: false
  by artist: Sergei Barracuda
  in album: Medusa II
    type: MusicAlbum
    date published: 2020-09-11
  isrc code: QZDA62040364
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T14:53:53+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7c03d6a3b0e0ad3c52bd2b0fc1d64b570056eba86036d9153fb982e4cad2e64e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/0FsKdSKMp9PguQ7lbqMouc.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0FsKdSKMp9PguQ7lbqMouc
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c03d6a3b0e0ad3c52bd2b0fc1d64b570056eba86036d9153fb982e4cad2e64e. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0FsKdSKMp9PguQ7lbqMouc.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0FsKdSKMp9PguQ7lbqMouc.
    date published: 2026-06-13T17:25:41Z
track: Jezdec
  type: MusicRecording
  duration: PT3M24S
  duration ms: 204944
  explicit: false
  by artist: Sergei Barracuda
  in album: Medusa II
    type: MusicAlbum
    date published: 2020-09-11
  isrc code: QZHN52019073
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSRecordURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
track: Déšť
track: Legendární
track: Hoe
track: Nashle

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-08T05:03:53+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x6b7b2ba47cee8a66fa7aaaf6cebf7e48d0cd3bfc03aab968dfe3caff7e8df334

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 953536

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/953536

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/4DZrYP44JSlWMYdr7AQR6i.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4DZrYP44JSlWMYdr7AQR6i

OTSTimestamp
type: PropertyValue
value: 2026-06-13T17:25:41Z

OTSCanonicalRecord
type: PropertyValue

OTSVerifyInstructions
type: PropertyValue
value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b7b2ba47cee8a66fa7aaaf6cebf7e48d0cd3bfc03aab968dfe3caff7e8df334. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4DZrYP44JSlWMYdr7AQR6i.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4DZrYP44JSlWMYdr7AQR6i.
date published: 2026-06-13T17:25:41Z

Déšť
type: MusicRecording
duration: PT3M1S
duration ms: 181370
explicit: false
by artist: Sergei Barracuda
by artist: Pil C
in album: Medusa II
  type: MusicAlbum
  date published: 2020-09-11
isrc code: QZK6M2053497
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T13:39:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6e34cede5637c468f032f1d53aadb2b9e435decda48b474e8e0180934cdefbb0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2mGQ6RlJfYXOOKQK59v8Dr.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2mGQ6RlJfYXOOKQK59v8Dr
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6e34cede5637c468f032f1d53aadb2b9e435decda48b474e8e0180934cdefbb0","isrc":"QZK6M2053497","name":"Déšť","registered_at":"2026-06-05T13:39:04Z","spotify_id":"2mGQ6RlJfYXOOKQK59v8Dr","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e34cede5637c468f032f1d53aadb2b9e435decda48b474e8e0180934cdefbb0. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2mGQ6RlJfYXOOKQK59v8Dr.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2mGQ6RlJfYXOOKQK59v8Dr.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x6e34cede5637c468f032f1d53aadb2b9e435decda48b474e8e0180934cdefbb0","isrc":"QZK6M2053497","name":"Déšť","registered_at":"2026-06-05T13:39:04Z","spotify_id":"2mGQ6RlJfYXOOKQK59v8Dr","type":"track"}

Legendární
type: MusicRecording
duration: PT3M36S
duration ms: 216655
explicit: false
by artist: Sergei Barracuda
by artist: Rytmo
in album: Medusa II
  type: MusicAlbum
  date published: 2020-09-11
isrc code: QZK6N2049079
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T09:27:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x16f7302ce28c755fb7be3b34b395b68b76d3c1438e20e81f4d62fb89517ed982
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7e8snXSHmilNMVftqh6g2c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7e8snXSHmilNMVftqh6g2c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x16f7302ce28c755fb7be3b34b395b68b76d3c1438e20e81f4d62fb89517ed982","isrc":"QZK6N2049079","name":"Legendární","registered_at":"2026-06-05T09:27:52Z","spotify_id":"7e8snXSHmilNMVftqh6g2c","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16f7302ce28c755fb7be3b34b395b68b76d3c1438e20e81f4d62fb89517ed982. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7e8snXSHmilNMVftqh6g2c.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7e8snXSHmilNMVftqh6g2c.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x16f7302ce28c755fb7be3b34b395b68b76d3c1438e20e81f4d62fb89517ed982","isrc":"QZK6N2049079","name":"Legendární","registered_at":"2026-06-05T09:27:52Z","spotify_id":"7e8snXSHmilNMVftqh6g2c","type":"track"}

Hoe
type: MusicRecording
duration: PT3M33S
duration ms: 213331
explicit: false
by artist: Sergei Barracuda
by artist: Kitana Savage
in album: Medusa II
  type: MusicAlbum
  date published: 2020-09-11
isrc code: QZK6M2053498
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T06:09:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5a541fc5d8b239c75a64d7f4631c1564ca9f7f6beb0cb8dc0193442b32daf0b1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0bzh69CK7XnHZ1rLE74QCq.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0bzh69CK7XnHZ1rLE74QCq
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a541fc5d8b239c75a64d7f4631c1564ca9f7f6beb0cb8dc0193442b32daf0b1. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0bzh69CK7XnHZ1rLE74QCq.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0bzh69CK7XnHZ1rLE74QCq.
  date published: 2026-06-13T15:41:10Z

Nashle
type: MusicRecording
duration: PT2M37S
duration ms: 157316
explicit: false
by artist: Sergei Barracuda
in album: Medusa II
  type: MusicAlbum
  date published: 2020-09-11
isrc code: QZK6M2053499
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T14:53:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xaf71fd9149338ec24f437677107428acfacffaf00f9de8a202795edaf7310e87
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2eEXwo4me52HLynxFv3Bh9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2eEXwo4me52HLynxFv3Bh9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf71fd9149338ec24f437677107428acfacffaf00f9de8a202795edaf7310e87. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2eEXwo4me52HLynxFv3Bh9.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2eEXwo4me52HLynxFv3Bh9.
  date published: 2026-06-13T17:25:41Z

Poulicni Ekonomicka (Remastered)
type: MusicAlbum
date published: 2020-04-02
track: Poulicni Ekonomicka
  type: MusicRecording
  duration: PT3M6S
  duration ms: 186616
  explicit: false
  by artist: Sergei Barracuda
  in album: Poulicni Ekonomicka (Remastered)
    type: MusicAlbum
    date published: 2020-04-02
  isrc code: QZDA62095504
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T15:02:05+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6b7e8eba6dfe53166f7f323c7bef1f84b8ba32242218198c76acffbc81b12545
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/68q9UOiBq9AexgDbsgraOl.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/68q9UOiBq9AexgDbsgraOl
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x6b7e8eba6dfe53166f7f323c7bef1f84b8ba32242218198c76acffbc81b12545","isrc":"QZDA62095504","name":"Poulicni Ekonomicka","registered_at":"2026-06-07T15:02:05Z","spotify_id":"68q9UOiBq9AexgDbsgraOl","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b7e8eba6dfe53166f7f323c7bef1f84b8ba32242218198c76acffbc81b12545. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/68q9UOiBq9AexgDbsgraOl.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/68q9UOiBq9AexgDbsgraOl.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x6b7e8eba6dfe53166f7f323c7bef1f84b8ba32242218198c76acffbc81b12545","isrc":"QZDA62095504","name":"Poulicni Ekonomicka","registered_at":"2026-06-07T15:02:05Z","spotify_id":"68q9UOiBq9AexgDbsgraOl","type":"track"}
track: Zoo
  type: MusicRecording
  duration: PT3M31S
  duration ms: 211648
  explicit: false
  by artist: Sergei Barracuda
  in album: Poulicni Ekonomicka (Remastered)
    type: MusicAlbum
    date published: 2020-04-02
  isrc code: QZDA62095505
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-18T04:40:42+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x06c4bc7ad6f475950a06de95c7c435b71769fe89dacfc62080637fa5ce8db1ee
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/4VGWGe5kKSTvJLiFEDLZo9.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4VGWGe5kKSTvJLiFEDLZo9
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06c4bc7ad6f475950a06de95c7c435b71769fe89dacfc62080637fa5ce8db1ee. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4VGWGe5kKSTvJLiFEDLZo9.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4VGWGe5kKSTvJLiFEDLZo9.
    date published: 2026-07-02T03:55:08Z
track: Lokal
  type: MusicRecording
  duration: PT4M40S
  duration ms: 280951
  explicit: false
  by artist: Sergei Barracuda
  by artist: Adyos
  by artist: Smack One
  in album: Poulicni Ekonomicka (Remastered)
    type: MusicAlbum
    date published: 2020-04-02
  isrc code: QZDA62095506
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-21T08:23:31+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf12124bafa7296b1a0cf6b551e5652f47d579494ca1d454c2aab574ff761c362
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/1b9uCvAUD1pzZ8R78SNpLB.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1b9uCvAUD1pzZ8R78SNpLB
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf12124bafa7296b1a0cf6b551e5652f47d579494ca1d454c2aab574ff761c362. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1b9uCvAUD1pzZ8R78SNpLB.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1b9uCvAUD1pzZ8R78SNpLB.
    date published: 2026-07-02T03:55:08Z
track: Deti Maji Hlad
  type: MusicRecording
  duration: PT3M3S
  duration ms: 183168
  explicit: false
  by artist: Sergei Barracuda
  in album: Poulicni Ekonomicka (Remastered)
    type: MusicAlbum
    date published: 2020-04-02
  isrc code: QZDA62095507
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-21T08:22:41+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x758e31f0a94f0c894fa74e82d1b386778725fb0d833fec45fb5dcb27179d0562
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/0SRinkHSqwMSWJ2jwU7jaI.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0SRinkHSqwMSWJ2jwU7jaI
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x758e31f0a94f0c894fa74e82d1b386778725fb0d833fec45fb5dcb27179d0562","isrc":"QZDA62095507","name":"Deti Maji Hlad","registered_at":"2026-06-21T08:22:41Z","spotify_id":"0SRinkHSqwMSWJ2jwU7jaI","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x758e31f0a94f0c894fa74e82d1b386778725fb0d833fec45fb5dcb27179d0562. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0SRinkHSqwMSWJ2jwU7jaI.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0SRinkHSqwMSWJ2jwU7jaI.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0x758e31f0a94f0c894fa74e82d1b386778725fb0d833fec45fb5dcb27179d0562","isrc":"QZDA62095507","name":"Deti Maji Hlad","registered_at":"2026-06-21T08:22:41Z","spotify_id":"0SRinkHSqwMSWJ2jwU7jaI","type":"track"}
track: Couro Prosim
  type: MusicRecording
  duration: PT3M46S
  duration ms: 226195
  explicit: false
  by artist: Sergei Barracuda
  in album: Poulicni Ekonomicka (Remastered)
    type: MusicAlbum
    date published: 2020-04-02
  isrc code: QZDA62095508
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSRecordURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
track: Tohle Tvuj Dealer Neumi
track: Na Okolni Divadlo
track: UFO
track: Spina Ze Sidliste
track: Streetrap
track: Battleground Riddim

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-18T12:01:19+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x68e68014669e2b08fadb510990ddd485e8535a1b28e9e21f1cea9117747e353b

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956302

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/956302

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/2351wxTxSsRZ5u82L0C85u.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2351wxTxSsRZ5u82L0C85u

OTSTimestamp
type: PropertyValue
value: 2026-07-02T03:30:09Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x68e68014669e2b08fadb510990ddd485e8535a1b28e9e21f1cea9117747e353b","isrc":"QZDA62095508","name":"Couro Prosim","registered_at":"2026-06-18T12:01:19Z","spotify_id":"2351wxTxSsRZ5u82L0C85u","type":"track"}

OTSVerifyInstructions
type: PropertyValue
value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68e68014669e2b08fadb510990ddd485e8535a1b28e9e21f1cea9117747e353b. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2351wxTxSsRZ5u82L0C85u.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2351wxTxSsRZ5u82L0C85u.
date published: 2026-07-02T03:30:09Z
text: {"copyright_id":"0x68e68014669e2b08fadb510990ddd485e8535a1b28e9e21f1cea9117747e353b","isrc":"QZDA62095508","name":"Couro Prosim","registered_at":"2026-06-18T12:01:19Z","spotify_id":"2351wxTxSsRZ5u82L0C85u","type":"track"}

Tohle Tvuj Dealer Neumi
type: MusicRecording
duration: PT3M11S
duration ms: 191467
explicit: false
by artist: Sergei Barracuda
in album: Poulicni Ekonomicka (Remastered)
  type: MusicAlbum
  date published: 2020-04-02
isrc code: QZDA62095509
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T08:23:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4345065d421ead1cadb863cf4890164f3c294ae29f650c1a173c6d18e9e13f5e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0ZePqBTeW6woiIqhyI9A6v.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0ZePqBTeW6woiIqhyI9A6v
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4345065d421ead1cadb863cf4890164f3c294ae29f650c1a173c6d18e9e13f5e","isrc":"QZDA62095509","name":"Tohle Tvuj Dealer Neumi","registered_at":"2026-06-21T08:23:17Z","spotify_id":"0ZePqBTeW6woiIqhyI9A6v","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4345065d421ead1cadb863cf4890164f3c294ae29f650c1a173c6d18e9e13f5e. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0ZePqBTeW6woiIqhyI9A6v.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0ZePqBTeW6woiIqhyI9A6v.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x4345065d421ead1cadb863cf4890164f3c294ae29f650c1a173c6d18e9e13f5e","isrc":"QZDA62095509","name":"Tohle Tvuj Dealer Neumi","registered_at":"2026-06-21T08:23:17Z","spotify_id":"0ZePqBTeW6woiIqhyI9A6v","type":"track"}

Na Okolni Divadlo
type: MusicRecording
duration: PT4M20S
duration ms: 260174
explicit: false
by artist: Sergei Barracuda
by artist: Adyos
in album: Poulicni Ekonomicka (Remastered)
  type: MusicAlbum
  date published: 2020-04-02
isrc code: QZDA62095510
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T08:27:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8dbc6b24776a680c3b759fff37f72e2cc6b2be1784b52878f993e22ad2ffdcf4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2pq1xXS7Kln9ouKtXEOYrg.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2pq1xXS7Kln9ouKtXEOYrg
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8dbc6b24776a680c3b759fff37f72e2cc6b2be1784b52878f993e22ad2ffdcf4","isrc":"QZDA62095510","name":"Na Okolni Divadlo","registered_at":"2026-06-21T08:27:43Z","spotify_id":"2pq1xXS7Kln9ouKtXEOYrg","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8dbc6b24776a680c3b759fff37f72e2cc6b2be1784b52878f993e22ad2ffdcf4. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2pq1xXS7Kln9ouKtXEOYrg.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2pq1xXS7Kln9ouKtXEOYrg.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x8dbc6b24776a680c3b759fff37f72e2cc6b2be1784b52878f993e22ad2ffdcf4","isrc":"QZDA62095510","name":"Na Okolni Divadlo","registered_at":"2026-06-21T08:27:43Z","spotify_id":"2pq1xXS7Kln9ouKtXEOYrg","type":"track"}

UFO
type: MusicRecording
duration: PT4M48S
duration ms: 288436
explicit: false
by artist: Sergei Barracuda
by artist: Adyos
in album: Poulicni Ekonomicka (Remastered)
  type: MusicAlbum
  date published: 2020-04-02
isrc code: QZDA62095511
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T17:12:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfe4e2d24e08cc1edca0a7e17508b12c82e2623752b42dccbddeaff50b3974587
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/58LvYOEAb22Eyx9WbnvUzZ.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/58LvYOEAb22Eyx9WbnvUzZ
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe4e2d24e08cc1edca0a7e17508b12c82e2623752b42dccbddeaff50b3974587. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/58LvYOEAb22Eyx9WbnvUzZ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/58LvYOEAb22Eyx9WbnvUzZ.
  date published: 2026-07-02T03:55:08Z

Spina Ze Sidliste
type: MusicRecording
duration: PT4M19S
duration ms: 259561
explicit: false
by artist: Sergei Barracuda
in album: Poulicni Ekonomicka (Remastered)
  type: MusicAlbum
  date published: 2020-04-02
isrc code: QZDA62095512
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T12:24:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4027fd498be89c71442f501ddbf1ddd8e148081ecea791253dd07966c3610ac6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1SRU4vJ5pnNZJudfG8rbLY.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1SRU4vJ5pnNZJudfG8rbLY
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4027fd498be89c71442f501ddbf1ddd8e148081ecea791253dd07966c3610ac6","isrc":"QZDA62095512","name":"Spina Ze Sidliste","registered_at":"2026-06-20T12:24:23Z","spotify_id":"1SRU4vJ5pnNZJudfG8rbLY","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4027fd498be89c71442f501ddbf1ddd8e148081ecea791253dd07966c3610ac6. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1SRU4vJ5pnNZJudfG8rbLY.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1SRU4vJ5pnNZJudfG8rbLY.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x4027fd498be89c71442f501ddbf1ddd8e148081ecea791253dd07966c3610ac6","isrc":"QZDA62095512","name":"Spina Ze Sidliste","registered_at":"2026-06-20T12:24:23Z","spotify_id":"1SRU4vJ5pnNZJudfG8rbLY","type":"track"}

Streetrap
type: MusicRecording
duration: PT3M14S
duration ms: 194126
explicit: false
by artist: Sergei Barracuda
in album: Poulicni Ekonomicka (Remastered)
  type: MusicAlbum
  date published: 2020-04-02
isrc code: QZDA62095513
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T16:04:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xaca693e4dfd1efadb23fd69d0c8051a36a0bf9692d38ed5cbb1b745690e4f88e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5d0piLdnPjVtguxeqlreQd.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5d0piLdnPjVtguxeqlreQd
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaca693e4dfd1efadb23fd69d0c8051a36a0bf9692d38ed5cbb1b745690e4f88e. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5d0piLdnPjVtguxeqlreQd.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5d0piLdnPjVtguxeqlreQd.
  date published: 2026-07-02T03:55:08Z

Battleground Riddim
type: MusicRecording
duration: PT4M5S
duration ms: 245851
explicit: false
by artist: Sergei Barracuda
in album: Poulicni Ekonomicka (Remastered)
  type: MusicAlbum
  date published: 2020-04-02
isrc code: QZDA62095514
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T12:03:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9ebc6ca77dae1b4ed4e47de03c59f680892f89e4820569f3ef017ab28b386039
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956349
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956349
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1asvM3ZK2M005RVNUnhpfD.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1asvM3ZK2M005RVNUnhpfD
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:34:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9ebc6ca77dae1b4ed4e47de03c59f680892f89e4820569f3ef017ab28b386039","isrc":"QZDA62095514","name":"Battleground Riddim","registered_at":"2026-06-27T12:03:30Z","spotify_id":"1asvM3ZK2M005RVNUnhpfD","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ebc6ca77dae1b4ed4e47de03c59f680892f89e4820569f3ef017ab28b386039. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1asvM3ZK2M005RVNUnhpfD.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1asvM3ZK2M005RVNUnhpfD.
  date published: 2026-07-02T11:34:59Z
  text: {"copyright_id":"0x9ebc6ca77dae1b4ed4e47de03c59f680892f89e4820569f3ef017ab28b386039","isrc":"QZDA62095514","name":"Battleground Riddim","registered_at":"2026-06-27T12:03:30Z","spotify_id":"1asvM3ZK2M005RVNUnhpfD","type":"track"}

Medusa
type: MusicAlbum
date published: 2019-06-04
track: Rozumíš Mi
  type: MusicRecording
  duration: PT4M10S
  duration ms: 250426
  explicit: false
  by artist: Sergei Barracuda
  in album: Medusa
    type: MusicAlbum
    date published: 2019-06-04
  isrc code: TCAEG1926280
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T09:54:29+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x465ebb142def0f7e0fc07db68116c9f7d9d55c72c1439ab3cb37a4bfe7f8dbf2
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/0gNxXdDp9hf0lFBxYWMccl.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0gNxXdDp9hf0lFBxYWMccl
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x465ebb142def0f7e0fc07db68116c9f7d9d55c72c1439ab3cb37a4bfe7f8dbf2","isrc":"TCAEG1926280","name":"Rozumíš Mi","registered_at":"2026-06-09T09:54:29Z","spotify_id":"0gNxXdDp9hf0lFBxYWMccl","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x465ebb142def0f7e0fc07db68116c9f7d9d55c72c1439ab3cb37a4bfe7f8dbf2. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0gNxXdDp9hf0lFBxYWMccl.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0gNxXdDp9hf0lFBxYWMccl.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x465ebb142def0f7e0fc07db68116c9f7d9d55c72c1439ab3cb37a4bfe7f8dbf2","isrc":"TCAEG1926280","name":"Rozumíš Mi","registered_at":"2026-06-09T09:54:29Z","spotify_id":"0gNxXdDp9hf0lFBxYWMccl","type":"track"}
track: Had
  type: MusicRecording
  duration: PT4M48S
  duration ms: 288800
  explicit: false
  by artist: Sergei Barracuda
  by artist: Smack
  by artist: Pil C
  in album: Medusa
    type: MusicAlbum
    date published: 2019-06-04
  isrc code: TCAEG1912454
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T01:19:24+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x05db4fb8f53e6388f6d00a468280f01c18bb13c7827c296196ad567935140c08
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/0gMAxYZcghAJpbSwWQyKKR.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0gMAxYZcghAJpbSwWQyKKR
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05db4fb8f53e6388f6d00a468280f01c18bb13c7827c296196ad567935140c08. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0gMAxYZcghAJpbSwWQyKKR.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0gMAxYZcghAJpbSwWQyKKR.
    date published: 2026-06-13T17:25:41Z
track: Anakonda
  type: MusicRecording
  duration: PT3M43S
  duration ms: 223960
  explicit: false
  by artist: Sergei Barracuda
  in album: Medusa
    type: MusicAlbum
    date published: 2019-06-04
  isrc code: TCAEG1926287
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-05T22:15:04+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2eb130a2041f955bfc65558b2bff04450b1d72fa2c52760cb190899f67a0079d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/7sVNfUSCM3N734SF93iQLf.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7sVNfUSCM3N734SF93iQLf
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2eb130a2041f955bfc65558b2bff04450b1d72fa2c52760cb190899f67a0079d. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7sVNfUSCM3N734SF93iQLf.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7sVNfUSCM3N734SF93iQLf.
    date published: 2026-06-13T15:41:10Z
track: Jediná Věc
  type: MusicRecording
  duration: PT3M50S
  duration ms: 230360
  explicit: false
  by artist: Sergei Barracuda
  in album: Medusa
    type: MusicAlbum
    date published: 2019-06-04
  isrc code: TCAEG1926288
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T13:47:23+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x91cee90ef431ee43acd16dbc3677804bc9988aa8049c06cddfc31d58932ec822
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/05lxtRlep5ivA8HXdMdiSn.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/05lxtRlep5ivA8HXdMdiSn
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x91cee90ef431ee43acd16dbc3677804bc9988aa8049c06cddfc31d58932ec822","isrc":"TCAEG1926288","name":"Jediná Věc","registered_at":"2026-06-08T13:47:23Z","spotify_id":"05lxtRlep5ivA8HXdMdiSn","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91cee90ef431ee43acd16dbc3677804bc9988aa8049c06cddfc31d58932ec822. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/05lxtRlep5ivA8HXdMdiSn.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/05lxtRlep5ivA8HXdMdiSn.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x91cee90ef431ee43acd16dbc3677804bc9988aa8049c06cddfc31d58932ec822","isrc":"TCAEG1926288","name":"Jediná Věc","registered_at":"2026-06-08T13:47:23Z","spotify_id":"05lxtRlep5ivA8HXdMdiSn","type":"track"}
track: Vyplatil Sem Zdroj
  type: MusicRecording
  duration: PT3M7S
  duration ms: 187440
  explicit: false
  by artist: Sergei Barracuda
  in album: Medusa
    type: MusicAlbum
    date published: 2019-06-04
  isrc code: TCAEG1926290
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSRecordURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
track: Slepý
track: Bílý Jako Sníh

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-10T20:19:19+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xc966742c10917abdba7f0fea6ecfb01f2e7f72a7c7060eb42351a99a4dab01df

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 953528

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/953528

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/1tlK7JxEwQWYNM28CYmQlV.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1tlK7JxEwQWYNM28CYmQlV

OTSTimestamp
type: PropertyValue
value: 2026-06-13T15:41:10Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0xc966742c10917abdba7f0fea6ecfb01f2e7f72a7c7060eb42351a99a4dab01df","isrc":"TCAEG1926290","name":"Vyplatil Sem Zdroj","registered_at":"2026-06-10T20:19:19Z","spotify_id":"1tlK7JxEwQWYNM28CYmQlV","type":"track"}

OTSVerifyInstructions
type: PropertyValue
value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc966742c10917abdba7f0fea6ecfb01f2e7f72a7c7060eb42351a99a4dab01df. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1tlK7JxEwQWYNM28CYmQlV.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1tlK7JxEwQWYNM28CYmQlV.
date published: 2026-06-13T15:41:10Z
text: {"copyright_id":"0xc966742c10917abdba7f0fea6ecfb01f2e7f72a7c7060eb42351a99a4dab01df","isrc":"TCAEG1926290","name":"Vyplatil Sem Zdroj","registered_at":"2026-06-10T20:19:19Z","spotify_id":"1tlK7JxEwQWYNM28CYmQlV","type":"track"}

Slepý
type: MusicRecording
duration: PT3M11S
duration ms: 191360
explicit: false
by artist: Sergei Barracuda
by artist: Palermo
in album: Medusa
  type: MusicAlbum
  date published: 2019-06-04
isrc code: TCAEG1926292
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T12:08:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x35136c776ca8dcf77e83ced6fdbe0ebb33854d22f9af290da43d2aa3aac4fc46
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5js3lX42tRzrvj2gOd6pDN.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5js3lX42tRzrvj2gOd6pDN
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x35136c776ca8dcf77e83ced6fdbe0ebb33854d22f9af290da43d2aa3aac4fc46","isrc":"TCAEG1926292","name":"Slepý","registered_at":"2026-06-06T12:08:26Z","spotify_id":"5js3lX42tRzrvj2gOd6pDN","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35136c776ca8dcf77e83ced6fdbe0ebb33854d22f9af290da43d2aa3aac4fc46. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5js3lX42tRzrvj2gOd6pDN.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5js3lX42tRzrvj2gOd6pDN.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x35136c776ca8dcf77e83ced6fdbe0ebb33854d22f9af290da43d2aa3aac4fc46","isrc":"TCAEG1926292","name":"Slepý","registered_at":"2026-06-06T12:08:26Z","spotify_id":"5js3lX42tRzrvj2gOd6pDN","type":"track"}

Bílý Jako Sníh
type: MusicRecording
duration: PT3M23S
duration ms: 203733
explicit: false
by artist: Sergei Barracuda
by artist: Sensey
in album: Medusa
  type: MusicAlbum
  date published: 2019-06-04
isrc code: TCAEG1926294
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T12:08:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x615d1b012fc462ba375ed9b2a411d3c0cceeb256848651251725fc20a36c0157
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0Gr47XNHNrKmfNnRAMPZJJ.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0Gr47XNHNrKmfNnRAMPZJJ
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x615d1b012fc462ba375ed9b2a411d3c0cceeb256848651251725fc20a36c0157","isrc":"TCAEG1926294","name":"Bílý Jako Sníh","registered_at":"2026-06-06T12:08:04Z","spotify_id":"0Gr47XNHNrKmfNnRAMPZJJ","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x615d1b012fc462ba375ed9b2a411d3c0cceeb256848651251725fc20a36c0157. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0Gr47XNHNrKmfNnRAMPZJJ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0Gr47XNHNrKmfNnRAMPZJJ.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x615d1b012fc462ba375ed9b2a411d3c0cceeb256848651251725fc20a36c0157","isrc":"TCAEG1926294","name":"Bílý Jako Sníh","registered_at":"2026-06-06T12:08:04Z","spotify_id":"0Gr47XNHNrKmfNnRAMPZJJ","type":"track"}

Pouliční Ekonomická 3: Láska & Loyalita (Deluxe Version)
type: MusicAlbum
date published: 2018-09-18
track: Yayo
  type: MusicRecording
  duration: PT3M49S
  duration ms: 229799
  explicit: false
  by artist: Sergei Barracuda
  in album: Pouliční Ekonomická 3: Láska & Loyalita (Deluxe Version)
    type: MusicAlbum
    date published: 2018-09-18
  isrc code: TCADW1819920
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T15:01:32+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xfbab6429329c0da5af2230f67a97826849000ac1bff9c2eee8b9c8564db2fc8c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/2UJ13btnmPCuWDQdgN8ivb.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2UJ13btnmPCuWDQdgN8ivb
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfbab6429329c0da5af2230f67a97826849000ac1bff9c2eee8b9c8564db2fc8c. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2UJ13btnmPCuWDQdgN8ivb.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2UJ13btnmPCuWDQdgN8ivb.
    date published: 2026-07-02T03:55:08Z
track: Hustle
  type: MusicRecording
  duration: PT4M16S
  duration ms: 256230
  explicit: false
  by artist: Sergei Barracuda
  in album: Pouliční Ekonomická 3: Láska & Loyalita (Deluxe Version)
    type: MusicAlbum
    date published: 2018-09-18
  isrc code: TCAEC1960222
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T06:24:43+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x421ed4e261ab4824d1fd812155aacd346670666be3661e1572492763c476e19f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/2zgbjM6ZNbCUvB8iJKjc2I.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2zgbjM6ZNbCUvB8iJKjc2I
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x421ed4e261ab4824d1fd812155aacd346670666be3661e1572492763c476e19f. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2zgbjM6ZNbCUvB8iJKjc2I.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2zgbjM6ZNbCUvB8iJKjc2I.
    date published: 2026-06-13T15:41:10Z
track: Pasáctví
  type: MusicRecording
  duration: PT3M51S
  duration ms: 231650
  explicit: false
  by artist: Sergei Barracuda
  by artist: Ektor
  in album: Pouliční Ekonomická 3: Láska & Loyalita (Deluxe Version)
    type: MusicAlbum
    date published: 2018-09-18
  isrc code: TCADW1819921
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T05:49:51+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xca6ce391a0b5d803be7a399d667b965d4ddff31c4ed6f881743143b6937d9217
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956302
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/1IZ1zsHO2RvZiVMrCUig4r.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1IZ1zsHO2RvZiVMrCUig4r
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xca6ce391a0b5d803be7a399d667b965d4ddff31c4ed6f881743143b6937d9217","isrc":"TCADW1819921","name":"Pasáctví","registered_at":"2026-06-06T05:49:51Z","spotify_id":"1IZ1zsHO2RvZiVMrCUig4r","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca6ce391a0b5d803be7a399d667b965d4ddff31c4ed6f881743143b6937d9217. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1IZ1zsHO2RvZiVMrCUig4r.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1IZ1zsHO2RvZiVMrCUig4r.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0xca6ce391a0b5d803be7a399d667b965d4ddff31c4ed6f881743143b6937d9217","isrc":"TCADW1819921","name":"Pasáctví","registered_at":"2026-06-06T05:49:51Z","spotify_id":"1IZ1zsHO2RvZiVMrCUig4r","type":"track"}
track: Láska & Loyalita
  type: MusicRecording
  duration: PT5M8S
  duration ms: 308572
  explicit: false
  by artist: Sergei Barracuda
  by artist: Pastor
  in album: Pouliční Ekonomická 3: Láska & Loyalita (Deluxe Version)
    type: MusicAlbum
    date published: 2018-09-18
  isrc code: TCADW1819922
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T22:26:18+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf746ce4757f913927642cba2f5e2b1c532feda34245c12526d63a76f37aca56d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956312
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956312
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/1PmuMIqEVQTQzAD3Fy0oAe.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1PmuMIqEVQTQzAD3Fy0oAe
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xf746ce4757f913927642cba2f5e2b1c532feda34245c12526d63a76f37aca56d","isrc":"TCADW1819922","name":"Láska & Loyalita","registered_at":"2026-06-08T22:26:18Z","spotify_id":"1PmuMIqEVQTQzAD3Fy0oAe","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf746ce4757f913927642cba2f5e2b1c532feda34245c12526d63a76f37aca56d. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1PmuMIqEVQTQzAD3Fy0oAe.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1PmuMIqEVQTQzAD3Fy0oAe.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0xf746ce4757f913927642cba2f5e2b1c532feda34245c12526d63a76f37aca56d","isrc":"TCADW1819922","name":"Láska & Loyalita","registered_at":"2026-06-08T22:26:18Z","spotify_id":"1PmuMIqEVQTQzAD3Fy0oAe","type":"track"}
track: Sauce
  type: MusicRecording
  duration: PT3M58S
  duration ms: 238133
  explicit: false
  by artist: Sergei Barracuda
  by artist: Palermo
  in album: Pouliční Ekonomická 3: Láska & Loyalita (Deluxe Version)
    type: MusicAlbum
    date published: 2018-09-18
  isrc code: TCADW1819923
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSRecordURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
track: Noční Můra
track: Holka Přede Mnou Má Tu Věc
track: Dům Není Domov
track: Nechcou Drama
track: Trápení
track: Don Dada
track: V Zóně
track: Dealer
track: Roluju
track: Záře
track: Furt Bokem
track: Bolest

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-18T11:05:44+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x65d69307a74337dc18f5b9faeb4b808fc3d2655c9f9b500eb859c39644cb15d9

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956312

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/956312

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/3fbNS9MQoOop1VclVFFD78.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3fbNS9MQoOop1VclVFFD78

OTSTimestamp
type: PropertyValue
value: 2026-07-02T05:09:12Z

OTSCanonicalRecord
type: PropertyValue

OTSVerifyInstructions
type: PropertyValue
value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65d69307a74337dc18f5b9faeb4b808fc3d2655c9f9b500eb859c39644cb15d9. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3fbNS9MQoOop1VclVFFD78.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3fbNS9MQoOop1VclVFFD78.
date published: 2026-07-02T05:09:12Z

Noční Můra
type: MusicRecording
duration: PT4M15S
duration ms: 255453
explicit: false
by artist: Sergei Barracuda
by artist: Rytmus
in album: Pouliční Ekonomická 3: Láska & Loyalita (Deluxe Version)
  type: MusicAlbum
  date published: 2018-09-18
isrc code: TCADW1819924
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T20:39:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x83f01f270f9bf1447952743329132f7f5a69d6082ed9f9d24e57f36304416b60
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1DugVyKOHkKzTe6a8L7irb.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1DugVyKOHkKzTe6a8L7irb
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x83f01f270f9bf1447952743329132f7f5a69d6082ed9f9d24e57f36304416b60","isrc":"TCADW1819924","name":"Noční Můra","registered_at":"2026-06-10T20:39:18Z","spotify_id":"1DugVyKOHkKzTe6a8L7irb","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83f01f270f9bf1447952743329132f7f5a69d6082ed9f9d24e57f36304416b60. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1DugVyKOHkKzTe6a8L7irb.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1DugVyKOHkKzTe6a8L7irb.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x83f01f270f9bf1447952743329132f7f5a69d6082ed9f9d24e57f36304416b60","isrc":"TCADW1819924","name":"Noční Můra","registered_at":"2026-06-10T20:39:18Z","spotify_id":"1DugVyKOHkKzTe6a8L7irb","type":"track"}

Holka Přede Mnou Má Tu Věc
type: MusicRecording
duration: PT3M44S
duration ms: 224565
explicit: false
by artist: Sergei Barracuda
in album: Pouliční Ekonomická 3: Láska & Loyalita (Deluxe Version)
  type: MusicAlbum
  date published: 2018-09-18
isrc code: TCADW1819925
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T16:05:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbee7bb6bcc176a5570512640d101726d779f0f3f9851c231ce1c53f08bc7a5eb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956349
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956349
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3nzaXmHXnFQbjnRvrG86oj.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3nzaXmHXnFQbjnRvrG86oj
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:34:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xbee7bb6bcc176a5570512640d101726d779f0f3f9851c231ce1c53f08bc7a5eb","isrc":"TCADW1819925","name":"Holka Přede Mnou Má Tu Věc","registered_at":"2026-06-19T16:05:27Z","spotify_id":"3nzaXmHXnFQbjnRvrG86oj","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbee7bb6bcc176a5570512640d101726d779f0f3f9851c231ce1c53f08bc7a5eb. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3nzaXmHXnFQbjnRvrG86oj.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3nzaXmHXnFQbjnRvrG86oj.
  date published: 2026-07-02T11:34:59Z
  text: {"copyright_id":"0xbee7bb6bcc176a5570512640d101726d779f0f3f9851c231ce1c53f08bc7a5eb","isrc":"TCADW1819925","name":"Holka Přede Mnou Má Tu Věc","registered_at":"2026-06-19T16:05:27Z","spotify_id":"3nzaXmHXnFQbjnRvrG86oj","type":"track"}

Dům Není Domov
type: MusicRecording
duration: PT3M49S
duration ms: 229194
explicit: false
by artist: Sergei Barracuda
in album: Pouliční Ekonomická 3: Láska & Loyalita (Deluxe Version)
  type: MusicAlbum
  date published: 2018-09-18
isrc code: TCADW1819927
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T03:45:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x648c5173703ce89f11f4e352ba85e02d025ac909707dbc37db44679ebeb49b6b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1p7d91UKjWeGjkCR5Tn7qi.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1p7d91UKjWeGjkCR5Tn7qi
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x648c5173703ce89f11f4e352ba85e02d025ac909707dbc37db44679ebeb49b6b","isrc":"TCADW1819927","name":"Dům Není Domov","registered_at":"2026-06-07T03:45:18Z","spotify_id":"1p7d91UKjWeGjkCR5Tn7qi","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x648c5173703ce89f11f4e352ba85e02d025ac909707dbc37db44679ebeb49b6b. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1p7d91UKjWeGjkCR5Tn7qi.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1p7d91UKjWeGjkCR5Tn7qi.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x648c5173703ce89f11f4e352ba85e02d025ac909707dbc37db44679ebeb49b6b","isrc":"TCADW1819927","name":"Dům Není Domov","registered_at":"2026-06-07T03:45:18Z","spotify_id":"1p7d91UKjWeGjkCR5Tn7qi","type":"track"}

Nechcou Drama
type: MusicRecording
duration: PT2M57S
duration ms: 177131
explicit: false
by artist: Sergei Barracuda
by artist: Smack
in album: Pouliční Ekonomická 3: Láska & Loyalita (Deluxe Version)
  type: MusicAlbum
  date published: 2018-09-18
isrc code: TCADW1819929
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T20:39:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3850bffc2ace4e0dcbe95975ae26fbb426ab8953434b138bcaeaaed7364df688
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/55S660IjVirprLKzKhsGZm.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/55S660IjVirprLKzKhsGZm
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x3850bffc2ace4e0dcbe95975ae26fbb426ab8953434b138bcaeaaed7364df688","isrc":"TCADW1819929","name":"Nechcou Drama","registered_at":"2026-06-10T20:39:20Z","spotify_id":"55S660IjVirprLKzKhsGZm","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3850bffc2ace4e0dcbe95975ae26fbb426ab8953434b138bcaeaaed7364df688. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/55S660IjVirprLKzKhsGZm.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/55S660IjVirprLKzKhsGZm.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x3850bffc2ace4e0dcbe95975ae26fbb426ab8953434b138bcaeaaed7364df688","isrc":"TCADW1819929","name":"Nechcou Drama","registered_at":"2026-06-10T20:39:20Z","spotify_id":"55S660IjVirprLKzKhsGZm","type":"track"}

Trápení
type: MusicRecording
duration: PT2M58S
duration ms: 178831
explicit: false
by artist: Sergei Barracuda
in album: Pouliční Ekonomická 3: Láska & Loyalita (Deluxe Version)
  type: MusicAlbum
  date published: 2018-09-18
isrc code: TCADW1819932
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T16:06:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x98b5be35a2ecfbad979691f9090d66dc40005e598d8c400115460a0f1803427d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/06rQOAPugYlWGQOFx25yY3.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/06rQOAPugYlWGQOFx25yY3
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x98b5be35a2ecfbad979691f9090d66dc40005e598d8c400115460a0f1803427d","isrc":"TCADW1819932","name":"Trápení","registered_at":"2026-06-19T16:06:12Z","spotify_id":"06rQOAPugYlWGQOFx25yY3","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98b5be35a2ecfbad979691f9090d66dc40005e598d8c400115460a0f1803427d. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/06rQOAPugYlWGQOFx25yY3.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/06rQOAPugYlWGQOFx25yY3.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x98b5be35a2ecfbad979691f9090d66dc40005e598d8c400115460a0f1803427d","isrc":"TCADW1819932","name":"Trápení","registered_at":"2026-06-19T16:06:12Z","spotify_id":"06rQOAPugYlWGQOFx25yY3","type":"track"}

Don Dada
type: MusicRecording
duration: PT3M20S
duration ms: 200850
explicit: false
by artist: Sergei Barracuda
in album: Pouliční Ekonomická 3: Láska & Loyalita (Deluxe Version)
  type: MusicAlbum
  date published: 2018-09-18
isrc code: TCADW1819933
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T06:23:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x10426703ce5b85e63de97b2ace5ab5f626eed2554835216518d0e718393b7671
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956349
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956349
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0wAN7QC2YPvxogAnARNxWS.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0wAN7QC2YPvxogAnARNxWS
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:34:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x10426703ce5b85e63de97b2ace5ab5f626eed2554835216518d0e718393b7671","isrc":"TCADW1819933","name":"Don Dada","registered_at":"2026-06-10T06:23:26Z","spotify_id":"0wAN7QC2YPvxogAnARNxWS","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10426703ce5b85e63de97b2ace5ab5f626eed2554835216518d0e718393b7671. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0wAN7QC2YPvxogAnARNxWS.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0wAN7QC2YPvxogAnARNxWS.
  date published: 2026-07-02T11:34:59Z
  text: {"copyright_id":"0x10426703ce5b85e63de97b2ace5ab5f626eed2554835216518d0e718393b7671","isrc":"TCADW1819933","name":"Don Dada","registered_at":"2026-06-10T06:23:26Z","spotify_id":"0wAN7QC2YPvxogAnARNxWS","type":"track"}

V Zóně
type: MusicRecording
duration: PT3M50S
duration ms: 230424
explicit: false
by artist: Sergei Barracuda
in album: Pouliční Ekonomická 3: Láska & Loyalita (Deluxe Version)
  type: MusicAlbum
  date published: 2018-09-18
isrc code: TCADW1819936
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T10:49:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x58b41c98a2a95a6c496423fcb63d237d8029925f16ee980d9102553da58b5612
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956349
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956349
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3dgPMbzqFTeeE91tdpTWII.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3dgPMbzqFTeeE91tdpTWII
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:34:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x58b41c98a2a95a6c496423fcb63d237d8029925f16ee980d9102553da58b5612","isrc":"TCADW1819936","name":"V Zóně","registered_at":"2026-06-20T10:49:36Z","spotify_id":"3dgPMbzqFTeeE91tdpTWII","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58b41c98a2a95a6c496423fcb63d237d8029925f16ee980d9102553da58b5612. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3dgPMbzqFTeeE91tdpTWII.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3dgPMbzqFTeeE91tdpTWII.
  date published: 2026-07-02T11:34:59Z
  text: {"copyright_id":"0x58b41c98a2a95a6c496423fcb63d237d8029925f16ee980d9102553da58b5612","isrc":"TCADW1819936","name":"V Zóně","registered_at":"2026-06-20T10:49:36Z","spotify_id":"3dgPMbzqFTeeE91tdpTWII","type":"track"}

Dealer
type: MusicRecording
duration: PT3M34S
duration ms: 214728
explicit: false
by artist: Sergei Barracuda
in album: Pouliční Ekonomická 3: Láska & Loyalita (Deluxe Version)
  type: MusicAlbum
  date published: 2018-09-18
isrc code: TCADW1819937
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T05:53:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe637921faab41710c4c06a8424949d107a513dccdd077d5b47094348c647df3d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0xi0hasNpa6Cm3IlXfnEAF.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0xi0hasNpa6Cm3IlXfnEAF
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe637921faab41710c4c06a8424949d107a513dccdd077d5b47094348c647df3d. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0xi0hasNpa6Cm3IlXfnEAF.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0xi0hasNpa6Cm3IlXfnEAF.
  date published: 2026-07-02T03:30:09Z

Roluju
type: MusicRecording
duration: PT3M52S
duration ms: 232428
explicit: false
by artist: Sergei Barracuda
in album: Pouliční Ekonomická 3: Láska & Loyalita (Deluxe Version)
  type: MusicAlbum
  date published: 2018-09-18
isrc code: TCADW1819938
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T14:04:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x920d54683801f9400fe2218ba5786577fe610996730639d94c7c6353fe5b61c8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2dyyLNsP0QxXkhsQwZnWhY.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2dyyLNsP0QxXkhsQwZnWhY
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x920d54683801f9400fe2218ba5786577fe610996730639d94c7c6353fe5b61c8. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2dyyLNsP0QxXkhsQwZnWhY.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2dyyLNsP0QxXkhsQwZnWhY.
  date published: 2026-07-02T05:09:12Z

Záře
type: MusicRecording
duration: PT5M5S
duration ms: 305895
explicit: false
by artist: Sergei Barracuda
in album: Pouliční Ekonomická 3: Láska & Loyalita (Deluxe Version)
  type: MusicAlbum
  date published: 2018-09-18
isrc code: TCADW1819939
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T16:39:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7d3f08074d219edff72aa94391080ed48b23b4994d577ae67356ae5121740014
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/68U8WT7RlhRE8I7mSxyqYY.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/68U8WT7RlhRE8I7mSxyqYY
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7d3f08074d219edff72aa94391080ed48b23b4994d577ae67356ae5121740014","isrc":"TCADW1819939","name":"Záře","registered_at":"2026-06-11T16:39:41Z","spotify_id":"68U8WT7RlhRE8I7mSxyqYY","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d3f08074d219edff72aa94391080ed48b23b4994d577ae67356ae5121740014. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/68U8WT7RlhRE8I7mSxyqYY.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/68U8WT7RlhRE8I7mSxyqYY.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x7d3f08074d219edff72aa94391080ed48b23b4994d577ae67356ae5121740014","isrc":"TCADW1819939","name":"Záře","registered_at":"2026-06-11T16:39:41Z","spotify_id":"68U8WT7RlhRE8I7mSxyqYY","type":"track"}

Furt Bokem
type: MusicRecording
duration: PT3M3S
duration ms: 183348
explicit: false
by artist: Sergei Barracuda
in album: Pouliční Ekonomická 3: Láska & Loyalita (Deluxe Version)
  type: MusicAlbum
  date published: 2018-09-18
isrc code: TCAEC1960242
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T06:25:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb81c6224371e71248e80a47597857059a03791def822245fac9fed21740a34e6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5d2Wnp3ITfmDgphL0KnIZG.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5d2Wnp3ITfmDgphL0KnIZG
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb81c6224371e71248e80a47597857059a03791def822245fac9fed21740a34e6","isrc":"TCAEC1960242","name":"Furt Bokem","registered_at":"2026-06-10T06:25:27Z","spotify_id":"5d2Wnp3ITfmDgphL0KnIZG","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb81c6224371e71248e80a47597857059a03791def822245fac9fed21740a34e6. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5d2Wnp3ITfmDgphL0KnIZG.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5d2Wnp3ITfmDgphL0KnIZG.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xb81c6224371e71248e80a47597857059a03791def822245fac9fed21740a34e6","isrc":"TCAEC1960242","name":"Furt Bokem","registered_at":"2026-06-10T06:25:27Z","spotify_id":"5d2Wnp3ITfmDgphL0KnIZG","type":"track"}

Bolest
type: MusicRecording
duration: PT2M42S
duration ms: 162626
explicit: false
by artist: Sergei Barracuda
in album: Pouliční Ekonomická 3: Láska & Loyalita (Deluxe Version)
  type: MusicAlbum
  date published: 2018-09-18
isrc code: TCAEC1960244
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T16:15:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9ba0ddc4b93d7e056f2a24db33edb9de9df6f514b951a0b9d12af2e18f247dec
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2BkUFS66jrvUzrl5UWCMMr.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2BkUFS66jrvUzrl5UWCMMr
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ba0ddc4b93d7e056f2a24db33edb9de9df6f514b951a0b9d12af2e18f247dec. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2BkUFS66jrvUzrl5UWCMMr.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2BkUFS66jrvUzrl5UWCMMr.
  date published: 2026-06-13T13:32:09Z

Pouliční Ekonomická 3: Láska & Loyalita
type: MusicAlbum
date published: 2018-09-18
track: Yayo
  type: MusicRecording
  duration: PT3M49S
  duration ms: 229799
  explicit: false
  by artist: Sergei Barracuda
  in album: Pouliční Ekonomická 3: Láska & Loyalita
    type: MusicAlbum
    date published: 2018-09-18
  isrc code: TCADW1819920
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T15:01:32+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xfbab6429329c0da5af2230f67a97826849000ac1bff9c2eee8b9c8564db2fc8c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/4tBNHKV8iLi3Ymb33EowkM.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4tBNHKV8iLi3Ymb33EowkM
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfbab6429329c0da5af2230f67a97826849000ac1bff9c2eee8b9c8564db2fc8c. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4tBNHKV8iLi3Ymb33EowkM.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4tBNHKV8iLi3Ymb33EowkM.
    date published: 2026-06-13T15:41:10Z
track: Pasáctví
  type: MusicRecording
  duration: PT3M51S
  duration ms: 231650
  explicit: false
  by artist: Sergei Barracuda
  by artist: Ektor
  in album: Pouliční Ekonomická 3: Láska & Loyalita
    type: MusicAlbum
    date published: 2018-09-18
  isrc code: TCADW1819921
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T05:49:51+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xca6ce391a0b5d803be7a399d667b965d4ddff31c4ed6f881743143b6937d9217
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/2ACjOCIhlle6WBaJFCqtck.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2ACjOCIhlle6WBaJFCqtck
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xca6ce391a0b5d803be7a399d667b965d4ddff31c4ed6f881743143b6937d9217","isrc":"TCADW1819921","name":"Pasáctví","registered_at":"2026-06-06T05:49:51Z","spotify_id":"2ACjOCIhlle6WBaJFCqtck","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca6ce391a0b5d803be7a399d667b965d4ddff31c4ed6f881743143b6937d9217. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2ACjOCIhlle6WBaJFCqtck.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2ACjOCIhlle6WBaJFCqtck.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0xca6ce391a0b5d803be7a399d667b965d4ddff31c4ed6f881743143b6937d9217","isrc":"TCADW1819921","name":"Pasáctví","registered_at":"2026-06-06T05:49:51Z","spotify_id":"2ACjOCIhlle6WBaJFCqtck","type":"track"}
track: Láska & Loyalita
  type: MusicRecording
  duration: PT5M8S
  duration ms: 308572
  explicit: false
  by artist: Sergei Barracuda
  by artist: Pastor
  in album: Pouliční Ekonomická 3: Láska & Loyalita
    type: MusicAlbum
    date published: 2018-09-18
  isrc code: TCADW1819922
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T22:26:18+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf746ce4757f913927642cba2f5e2b1c532feda34245c12526d63a76f37aca56d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953520
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953520
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/1KPTuA0S1Ejpnbaxrxg62s.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1KPTuA0S1Ejpnbaxrxg62s
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xf746ce4757f913927642cba2f5e2b1c532feda34245c12526d63a76f37aca56d","isrc":"TCADW1819922","name":"Láska & Loyalita","registered_at":"2026-06-08T22:26:18Z","spotify_id":"1KPTuA0S1Ejpnbaxrxg62s","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf746ce4757f913927642cba2f5e2b1c532feda34245c12526d63a76f37aca56d. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1KPTuA0S1Ejpnbaxrxg62s.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1KPTuA0S1Ejpnbaxrxg62s.
    date published: 2026-06-13T13:32:09Z
    text: {"copyright_id":"0xf746ce4757f913927642cba2f5e2b1c532feda34245c12526d63a76f37aca56d","isrc":"TCADW1819922","name":"Láska & Loyalita","registered_at":"2026-06-08T22:26:18Z","spotify_id":"1KPTuA0S1Ejpnbaxrxg62s","type":"track"}
track: Sauce
  type: MusicRecording
  duration: PT3M58S
  duration ms: 238133
  explicit: false
  by artist: Sergei Barracuda
  by artist: Palermo
  in album: Pouliční Ekonomická 3: Láska & Loyalita
    type: MusicAlbum
    date published: 2018-09-18
  isrc code: TCADW1819923
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-18T11:05:44+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x65d69307a74337dc18f5b9faeb4b808fc3d2655c9f9b500eb859c39644cb15d9
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/0Bc2gwxhZcmY6UhKYmGEqo.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0Bc2gwxhZcmY6UhKYmGEqo
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65d69307a74337dc18f5b9faeb4b808fc3d2655c9f9b500eb859c39644cb15d9. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0Bc2gwxhZcmY6UhKYmGEqo.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0Bc2gwxhZcmY6UhKYmGEqo.
    date published: 2026-07-02T03:55:08Z
track: Noční Můra
  type: MusicRecording
  duration: PT4M15S
  duration ms: 255453
  explicit: false
  by artist: Sergei Barracuda
  by artist: Rytmus
  in album: Pouliční Ekonomická 3: Láska & Loyalita
    type: MusicAlbum
    date published: 2018-09-18
  isrc code: TCADW1819924
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSRecordURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
track: Holka Přede Mnou Má Tu Věc
track: Dům Není Domov
track: Nechcou Drama
track: Trápení
track: Don Dada
track: V Zóně
track: Dealer
track: Roluju
track: Záře

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-10T20:39:18+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x83f01f270f9bf1447952743329132f7f5a69d6082ed9f9d24e57f36304416b60

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 953520

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/953520

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/73D97MW0VgxtzQL6kpnkrm.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/73D97MW0VgxtzQL6kpnkrm

OTSTimestamp
type: PropertyValue
value: 2026-06-13T13:32:09Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x83f01f270f9bf1447952743329132f7f5a69d6082ed9f9d24e57f36304416b60","isrc":"TCADW1819924","name":"Noční Můra","registered_at":"2026-06-10T20:39:18Z","spotify_id":"73D97MW0VgxtzQL6kpnkrm","type":"track"}

OTSVerifyInstructions
type: PropertyValue
value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83f01f270f9bf1447952743329132f7f5a69d6082ed9f9d24e57f36304416b60. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/73D97MW0VgxtzQL6kpnkrm.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/73D97MW0VgxtzQL6kpnkrm.
date published: 2026-06-13T13:32:09Z
text: {"copyright_id":"0x83f01f270f9bf1447952743329132f7f5a69d6082ed9f9d24e57f36304416b60","isrc":"TCADW1819924","name":"Noční Můra","registered_at":"2026-06-10T20:39:18Z","spotify_id":"73D97MW0VgxtzQL6kpnkrm","type":"track"}

Holka Přede Mnou Má Tu Věc
type: MusicRecording
duration: PT3M44S
duration ms: 224565
explicit: false
by artist: Sergei Barracuda
in album: Pouliční Ekonomická 3: Láska & Loyalita
  type: MusicAlbum
  date published: 2018-09-18
isrc code: TCADW1819925
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T16:05:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbee7bb6bcc176a5570512640d101726d779f0f3f9851c231ce1c53f08bc7a5eb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/58Oj5DmJMpnCrrHM1hG3i6.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/58Oj5DmJMpnCrrHM1hG3i6
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xbee7bb6bcc176a5570512640d101726d779f0f3f9851c231ce1c53f08bc7a5eb","isrc":"TCADW1819925","name":"Holka Přede Mnou Má Tu Věc","registered_at":"2026-06-19T16:05:27Z","spotify_id":"58Oj5DmJMpnCrrHM1hG3i6","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbee7bb6bcc176a5570512640d101726d779f0f3f9851c231ce1c53f08bc7a5eb. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/58Oj5DmJMpnCrrHM1hG3i6.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/58Oj5DmJMpnCrrHM1hG3i6.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xbee7bb6bcc176a5570512640d101726d779f0f3f9851c231ce1c53f08bc7a5eb","isrc":"TCADW1819925","name":"Holka Přede Mnou Má Tu Věc","registered_at":"2026-06-19T16:05:27Z","spotify_id":"58Oj5DmJMpnCrrHM1hG3i6","type":"track"}

Dům Není Domov
type: MusicRecording
duration: PT3M49S
duration ms: 229194
explicit: false
by artist: Sergei Barracuda
in album: Pouliční Ekonomická 3: Láska & Loyalita
  type: MusicAlbum
  date published: 2018-09-18
isrc code: TCADW1819927
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T03:45:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x648c5173703ce89f11f4e352ba85e02d025ac909707dbc37db44679ebeb49b6b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953515
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/11bCL4rjCwWMv9RSlN0LMv.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/11bCL4rjCwWMv9RSlN0LMv
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x648c5173703ce89f11f4e352ba85e02d025ac909707dbc37db44679ebeb49b6b","isrc":"TCADW1819927","name":"Dům Není Domov","registered_at":"2026-06-07T03:45:18Z","spotify_id":"11bCL4rjCwWMv9RSlN0LMv","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x648c5173703ce89f11f4e352ba85e02d025ac909707dbc37db44679ebeb49b6b. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/11bCL4rjCwWMv9RSlN0LMv.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/11bCL4rjCwWMv9RSlN0LMv.
  date published: 2026-06-13T12:53:06Z
  text: {"copyright_id":"0x648c5173703ce89f11f4e352ba85e02d025ac909707dbc37db44679ebeb49b6b","isrc":"TCADW1819927","name":"Dům Není Domov","registered_at":"2026-06-07T03:45:18Z","spotify_id":"11bCL4rjCwWMv9RSlN0LMv","type":"track"}

Nechcou Drama
type: MusicRecording
duration: PT2M57S
duration ms: 177131
explicit: false
by artist: Sergei Barracuda
by artist: Smack
in album: Pouliční Ekonomická 3: Láska & Loyalita
  type: MusicAlbum
  date published: 2018-09-18
isrc code: TCADW1819929
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T20:39:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3850bffc2ace4e0dcbe95975ae26fbb426ab8953434b138bcaeaaed7364df688
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3suOmRGNFq9SbDqjCfHWGB.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3suOmRGNFq9SbDqjCfHWGB
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x3850bffc2ace4e0dcbe95975ae26fbb426ab8953434b138bcaeaaed7364df688","isrc":"TCADW1819929","name":"Nechcou Drama","registered_at":"2026-06-10T20:39:20Z","spotify_id":"3suOmRGNFq9SbDqjCfHWGB","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3850bffc2ace4e0dcbe95975ae26fbb426ab8953434b138bcaeaaed7364df688. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3suOmRGNFq9SbDqjCfHWGB.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3suOmRGNFq9SbDqjCfHWGB.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x3850bffc2ace4e0dcbe95975ae26fbb426ab8953434b138bcaeaaed7364df688","isrc":"TCADW1819929","name":"Nechcou Drama","registered_at":"2026-06-10T20:39:20Z","spotify_id":"3suOmRGNFq9SbDqjCfHWGB","type":"track"}

Trápení
type: MusicRecording
duration: PT2M58S
duration ms: 178831
explicit: false
by artist: Sergei Barracuda
in album: Pouliční Ekonomická 3: Láska & Loyalita
  type: MusicAlbum
  date published: 2018-09-18
isrc code: TCADW1819932
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T16:06:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x98b5be35a2ecfbad979691f9090d66dc40005e598d8c400115460a0f1803427d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6xTFLrYVbYal0ZjhfnUxs1.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6xTFLrYVbYal0ZjhfnUxs1
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x98b5be35a2ecfbad979691f9090d66dc40005e598d8c400115460a0f1803427d","isrc":"TCADW1819932","name":"Trápení","registered_at":"2026-06-19T16:06:12Z","spotify_id":"6xTFLrYVbYal0ZjhfnUxs1","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98b5be35a2ecfbad979691f9090d66dc40005e598d8c400115460a0f1803427d. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6xTFLrYVbYal0ZjhfnUxs1.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6xTFLrYVbYal0ZjhfnUxs1.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x98b5be35a2ecfbad979691f9090d66dc40005e598d8c400115460a0f1803427d","isrc":"TCADW1819932","name":"Trápení","registered_at":"2026-06-19T16:06:12Z","spotify_id":"6xTFLrYVbYal0ZjhfnUxs1","type":"track"}

Don Dada
type: MusicRecording
duration: PT3M20S
duration ms: 200850
explicit: false
by artist: Sergei Barracuda
in album: Pouliční Ekonomická 3: Láska & Loyalita
  type: MusicAlbum
  date published: 2018-09-18
isrc code: TCADW1819933
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T06:23:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x10426703ce5b85e63de97b2ace5ab5f626eed2554835216518d0e718393b7671
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5eMPCihPWuN0NxqkcXOSlN.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5eMPCihPWuN0NxqkcXOSlN
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x10426703ce5b85e63de97b2ace5ab5f626eed2554835216518d0e718393b7671","isrc":"TCADW1819933","name":"Don Dada","registered_at":"2026-06-10T06:23:26Z","spotify_id":"5eMPCihPWuN0NxqkcXOSlN","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10426703ce5b85e63de97b2ace5ab5f626eed2554835216518d0e718393b7671. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5eMPCihPWuN0NxqkcXOSlN.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5eMPCihPWuN0NxqkcXOSlN.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x10426703ce5b85e63de97b2ace5ab5f626eed2554835216518d0e718393b7671","isrc":"TCADW1819933","name":"Don Dada","registered_at":"2026-06-10T06:23:26Z","spotify_id":"5eMPCihPWuN0NxqkcXOSlN","type":"track"}

V Zóně
type: MusicRecording
duration: PT3M50S
duration ms: 230424
explicit: false
by artist: Sergei Barracuda
in album: Pouliční Ekonomická 3: Láska & Loyalita
  type: MusicAlbum
  date published: 2018-09-18
isrc code: TCADW1819936
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T10:49:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x58b41c98a2a95a6c496423fcb63d237d8029925f16ee980d9102553da58b5612
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6ZAtKMj7e8Fu4FIXs340V0.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6ZAtKMj7e8Fu4FIXs340V0
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x58b41c98a2a95a6c496423fcb63d237d8029925f16ee980d9102553da58b5612","isrc":"TCADW1819936","name":"V Zóně","registered_at":"2026-06-20T10:49:36Z","spotify_id":"6ZAtKMj7e8Fu4FIXs340V0","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58b41c98a2a95a6c496423fcb63d237d8029925f16ee980d9102553da58b5612. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6ZAtKMj7e8Fu4FIXs340V0.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6ZAtKMj7e8Fu4FIXs340V0.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x58b41c98a2a95a6c496423fcb63d237d8029925f16ee980d9102553da58b5612","isrc":"TCADW1819936","name":"V Zóně","registered_at":"2026-06-20T10:49:36Z","spotify_id":"6ZAtKMj7e8Fu4FIXs340V0","type":"track"}

Dealer
type: MusicRecording
duration: PT3M34S
duration ms: 214728
explicit: false
by artist: Sergei Barracuda
in album: Pouliční Ekonomická 3: Láska & Loyalita
  type: MusicAlbum
  date published: 2018-09-18
isrc code: TCADW1819937
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T05:53:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe637921faab41710c4c06a8424949d107a513dccdd077d5b47094348c647df3d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1VgGRouw2TGHS6NKROeMOV.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1VgGRouw2TGHS6NKROeMOV
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe637921faab41710c4c06a8424949d107a513dccdd077d5b47094348c647df3d. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1VgGRouw2TGHS6NKROeMOV.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1VgGRouw2TGHS6NKROeMOV.
  date published: 2026-06-13T17:25:41Z

Roluju
type: MusicRecording
duration: PT3M52S
duration ms: 232428
explicit: false
by artist: Sergei Barracuda
in album: Pouliční Ekonomická 3: Láska & Loyalita
  type: MusicAlbum
  date published: 2018-09-18
isrc code: TCADW1819938
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T14:04:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x920d54683801f9400fe2218ba5786577fe610996730639d94c7c6353fe5b61c8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1kH9hIMZ7x5SCakZOyTiHe.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1kH9hIMZ7x5SCakZOyTiHe
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x920d54683801f9400fe2218ba5786577fe610996730639d94c7c6353fe5b61c8. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1kH9hIMZ7x5SCakZOyTiHe.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1kH9hIMZ7x5SCakZOyTiHe.
  date published: 2026-06-13T13:32:09Z

Záře
type: MusicRecording
duration: PT5M5S
duration ms: 305895
explicit: false
by artist: Sergei Barracuda
in album: Pouliční Ekonomická 3: Láska & Loyalita
  type: MusicAlbum
  date published: 2018-09-18
isrc code: TCADW1819939
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T16:39:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7d3f08074d219edff72aa94391080ed48b23b4994d577ae67356ae5121740014
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0i2DPu3FsU10C8okTLLUjb.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0i2DPu3FsU10C8okTLLUjb
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7d3f08074d219edff72aa94391080ed48b23b4994d577ae67356ae5121740014","isrc":"TCADW1819939","name":"Záře","registered_at":"2026-06-11T16:39:41Z","spotify_id":"0i2DPu3FsU10C8okTLLUjb","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d3f08074d219edff72aa94391080ed48b23b4994d577ae67356ae5121740014. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0i2DPu3FsU10C8okTLLUjb.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0i2DPu3FsU10C8okTLLUjb.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x7d3f08074d219edff72aa94391080ed48b23b4994d577ae67356ae5121740014","isrc":"TCADW1819939","name":"Záře","registered_at":"2026-06-11T16:39:41Z","spotify_id":"0i2DPu3FsU10C8okTLLUjb","type":"track"}

Poulicni Ekonomicka II - Nechvalne Prosluly
type: MusicAlbum
date published: 2012-07-18
track: Intro
  type: MusicRecording
  duration: PT2M43S
  duration ms: 163823
  explicit: false
  by artist: Sergei Barracuda
  in album: Poulicni Ekonomicka II - Nechvalne Prosluly
    type: MusicAlbum
    date published: 2012-07-18
  isrc code: TCABH1283232
track: Diamant Ve Spine
  type: MusicRecording
  duration: PT3M3S
  duration ms: 183553
  explicit: false
  by artist: Sergei Barracuda
  in album: Poulicni Ekonomicka II - Nechvalne Prosluly
    type: MusicAlbum
    date published: 2012-07-18
  isrc code: TCABH1284632
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-18T20:07:50+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5538b6efe7ba43fc50de07c0aea9dcc85772d846d3d9169bb1429760de6f50ab
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956302
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/6ADJfwmYKldhIJucUAMbHb.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6ADJfwmYKldhIJucUAMbHb
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x5538b6efe7ba43fc50de07c0aea9dcc85772d846d3d9169bb1429760de6f50ab","isrc":"TCABH1284632","name":"Diamant Ve Spine","registered_at":"2026-06-18T20:07:50Z","spotify_id":"6ADJfwmYKldhIJucUAMbHb","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5538b6efe7ba43fc50de07c0aea9dcc85772d846d3d9169bb1429760de6f50ab. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6ADJfwmYKldhIJucUAMbHb.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6ADJfwmYKldhIJucUAMbHb.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0x5538b6efe7ba43fc50de07c0aea9dcc85772d846d3d9169bb1429760de6f50ab","isrc":"TCABH1284632","name":"Diamant Ve Spine","registered_at":"2026-06-18T20:07:50Z","spotify_id":"6ADJfwmYKldhIJucUAMbHb","type":"track"}
track: Clint Eastwood
  type: MusicRecording
  duration: PT3M57S
  duration ms: 237224
  explicit: false
  by artist: Sergei Barracuda
  in album: Poulicni Ekonomicka II - Nechvalne Prosluly
    type: MusicAlbum
    date published: 2012-07-18
  isrc code: TCABH1284633
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-22T07:03:12+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4d710ff17a218d218f82e1b1d45459646c588d40ca78af3ebc61ed4b2f74a540
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956312
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956312
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/0YG6iydyrqqp8QnnwDJ0Qt.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0YG6iydyrqqp8QnnwDJ0Qt
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x4d710ff17a218d218f82e1b1d45459646c588d40ca78af3ebc61ed4b2f74a540","isrc":"TCABH1284633","name":"Clint Eastwood","registered_at":"2026-06-22T07:03:12Z","spotify_id":"0YG6iydyrqqp8QnnwDJ0Qt","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d710ff17a218d218f82e1b1d45459646c588d40ca78af3ebc61ed4b2f74a540. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0YG6iydyrqqp8QnnwDJ0Qt.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0YG6iydyrqqp8QnnwDJ0Qt.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0x4d710ff17a218d218f82e1b1d45459646c588d40ca78af3ebc61ed4b2f74a540","isrc":"TCABH1284633","name":"Clint Eastwood","registered_at":"2026-06-22T07:03:12Z","spotify_id":"0YG6iydyrqqp8QnnwDJ0Qt","type":"track"}
track: Klice Sveta
  type: MusicRecording
  duration: PT4M33S
  duration ms: 273576
  explicit: false
  by artist: Sergei Barracuda
  in album: Poulicni Ekonomicka II - Nechvalne Prosluly
    type: MusicAlbum
    date published: 2012-07-18
  isrc code: TCABH1284634
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T20:23:41+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0b7d356ff573a1ac243627a8b1ea3da3913af0f906f0724d692d2ada839a28a7
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/3LwUdQvlaWPZXd0Qo9I5oP.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3LwUdQvlaWPZXd0Qo9I5oP
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x0b7d356ff573a1ac243627a8b1ea3da3913af0f906f0724d692d2ada839a28a7","isrc":"TCABH1284634","name":"Klice Sveta","registered_at":"2026-06-10T20:23:41Z","spotify_id":"3LwUdQvlaWPZXd0Qo9I5oP","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b7d356ff573a1ac243627a8b1ea3da3913af0f906f0724d692d2ada839a28a7. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3LwUdQvlaWPZXd0Qo9I5oP.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3LwUdQvlaWPZXd0Qo9I5oP.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x0b7d356ff573a1ac243627a8b1ea3da3913af0f906f0724d692d2ada839a28a7","isrc":"TCABH1284634","name":"Klice Sveta","registered_at":"2026-06-10T20:23:41Z","spotify_id":"3LwUdQvlaWPZXd0Qo9I5oP","type":"track"}
track: Sefuju
  type: MusicRecording
  duration: PT4M7S
  duration ms: 247434
  explicit: false
  by artist: Sergei Barracuda
  in album: Poulicni Ekonomicka II - Nechvalne Prosluly
    type: MusicAlbum
    date published: 2012-07-18
  isrc code: TCABH1284635
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-18T04:39:53+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5071fb0877b612c36f244bd1663eda4fa1d238a1867c9b9fa6784a4a2a4eaa60
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/10EZPA0Zh7amIaLfrimL0w.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/10EZPA0Zh7amIaLfrimL0w
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5071fb0877b612c36f244bd1663eda4fa1d238a1867c9b9fa6784a4a2a4eaa60. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/10EZPA0Zh7amIaLfrimL0w.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/10EZPA0Zh7amIaLfrimL0w.
    date published: 2026-07-02T03:55:08Z
track: Roztahni Nohy
track: Jakozekurvocoje
track: Kruhy
track: Tohle Neni Lovesong (feat. Pastor)
track: Monte Carlo (feat. Smack)
track: Zasobuju Blok
track: Zoo II (feat. Adyos)
track: I.C.E. C.U.B.E.
track: Endorfin
track: Nech Me Zarit (feat. Delik & Pastor)

Roztahni Nohy
type: MusicRecording
duration: PT4M7S
duration ms: 247851
explicit: false
by artist: Sergei Barracuda
in album: Poulicni Ekonomicka II - Nechvalne Prosluly
  type: MusicAlbum
  date published: 2012-07-18
isrc code: TCABH1284636
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T19:52:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe76b33de0312062c7960be1f8d21ce12d4dacbe25e47d5775fef8f8a0a74b3f6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0mObyn6UW3jHePoIGLHex4.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0mObyn6UW3jHePoIGLHex4
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe76b33de0312062c7960be1f8d21ce12d4dacbe25e47d5775fef8f8a0a74b3f6","isrc":"TCABH1284636","name":"Roztahni Nohy","registered_at":"2026-06-20T19:52:46Z","spotify_id":"0mObyn6UW3jHePoIGLHex4","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe76b33de0312062c7960be1f8d21ce12d4dacbe25e47d5775fef8f8a0a74b3f6. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0mObyn6UW3jHePoIGLHex4.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0mObyn6UW3jHePoIGLHex4.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xe76b33de0312062c7960be1f8d21ce12d4dacbe25e47d5775fef8f8a0a74b3f6","isrc":"TCABH1284636","name":"Roztahni Nohy","registered_at":"2026-06-20T19:52:46Z","spotify_id":"0mObyn6UW3jHePoIGLHex4","type":"track"}

Jakozekurvocoje
type: MusicRecording
duration: PT4M17S
duration ms: 257540
explicit: false
by artist: Sergei Barracuda
in album: Poulicni Ekonomicka II - Nechvalne Prosluly
  type: MusicAlbum
  date published: 2012-07-18
isrc code: TCABH1284637
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T19:24:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb718fedfdd8bb89e9afc01f481b31cbd341c5924715a7a9b9ecd3d01f6e32189
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3WFGZ1uswZV1B04UjfIiwP.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3WFGZ1uswZV1B04UjfIiwP
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb718fedfdd8bb89e9afc01f481b31cbd341c5924715a7a9b9ecd3d01f6e32189. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3WFGZ1uswZV1B04UjfIiwP.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3WFGZ1uswZV1B04UjfIiwP.
  date published: 2026-07-02T03:55:08Z

Kruhy
type: MusicRecording
duration: PT5M0S
duration ms: 300940
explicit: false
by artist: Sergei Barracuda
in album: Poulicni Ekonomicka II - Nechvalne Prosluly
  type: MusicAlbum
  date published: 2012-07-18
isrc code: TCABH1284638
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T11:29:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x95f827b782fe34b10ddb4e5a6c279b80c00bf1c3a66c8fb80b5161ae18ac535c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6jhnf45btVMA9E66wPxdoT.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6jhnf45btVMA9E66wPxdoT
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95f827b782fe34b10ddb4e5a6c279b80c00bf1c3a66c8fb80b5161ae18ac535c. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6jhnf45btVMA9E66wPxdoT.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6jhnf45btVMA9E66wPxdoT.
  date published: 2026-07-02T03:55:08Z

Tohle Neni Lovesong (feat. Pastor)
type: MusicRecording
duration: PT3M13S
duration ms: 193618
explicit: false
by artist: Sergei Barracuda
by artist: Pastor
in album: Poulicni Ekonomicka II - Nechvalne Prosluly
  type: MusicAlbum
  date published: 2012-07-18
isrc code: TCABH1284639
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T11:33:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4e2f1bc8add6cb997d4614784677c8b315d01f6d61da4eccd66c0e35c805672d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/55ZVyiY5eoZcYqDVsucnIq.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/55ZVyiY5eoZcYqDVsucnIq
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4e2f1bc8add6cb997d4614784677c8b315d01f6d61da4eccd66c0e35c805672d","isrc":"TCABH1284639","name":"Tohle Neni Lovesong (feat. Pastor)","registered_at":"2026-06-20T11:33:14Z","spotify_id":"55ZVyiY5eoZcYqDVsucnIq","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e2f1bc8add6cb997d4614784677c8b315d01f6d61da4eccd66c0e35c805672d. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/55ZVyiY5eoZcYqDVsucnIq.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/55ZVyiY5eoZcYqDVsucnIq.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x4e2f1bc8add6cb997d4614784677c8b315d01f6d61da4eccd66c0e35c805672d","isrc":"TCABH1284639","name":"Tohle Neni Lovesong (feat. Pastor)","registered_at":"2026-06-20T11:33:14Z","spotify_id":"55ZVyiY5eoZcYqDVsucnIq","type":"track"}

Monte Carlo (feat. Smack)
type: MusicRecording
duration: PT4M5S
duration ms: 245053
explicit: false
by artist: Sergei Barracuda
by artist: Smack One
in album: Poulicni Ekonomicka II - Nechvalne Prosluly
  type: MusicAlbum
  date published: 2012-07-18
isrc code: TCABH1284640
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T03:18:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xccac6634137a6bd3753465c39fde7e7ac6168d64c92be19ec24723d8f45e808d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6Y8xHuP7Glb4JeJmwnXTMX.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6Y8xHuP7Glb4JeJmwnXTMX
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xccac6634137a6bd3753465c39fde7e7ac6168d64c92be19ec24723d8f45e808d","isrc":"TCABH1284640","name":"Monte Carlo (feat. Smack)","registered_at":"2026-06-18T03:18:44Z","spotify_id":"6Y8xHuP7Glb4JeJmwnXTMX","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xccac6634137a6bd3753465c39fde7e7ac6168d64c92be19ec24723d8f45e808d. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6Y8xHuP7Glb4JeJmwnXTMX.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6Y8xHuP7Glb4JeJmwnXTMX.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xccac6634137a6bd3753465c39fde7e7ac6168d64c92be19ec24723d8f45e808d","isrc":"TCABH1284640","name":"Monte Carlo (feat. Smack)","registered_at":"2026-06-18T03:18:44Z","spotify_id":"6Y8xHuP7Glb4JeJmwnXTMX","type":"track"}

Zasobuju Blok
type: MusicRecording
duration: PT4M29S
duration ms: 269408
explicit: false
by artist: Sergei Barracuda
in album: Poulicni Ekonomicka II - Nechvalne Prosluly
  type: MusicAlbum
  date published: 2012-07-18
isrc code: TCABH1284641
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T20:08:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe1429814599b64cc942773bc3d34c3440acad736c0db85f6240bcf8036fc73cc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5uBsOwYQ5zetyTdfGHIkMO.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5uBsOwYQ5zetyTdfGHIkMO
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe1429814599b64cc942773bc3d34c3440acad736c0db85f6240bcf8036fc73cc","isrc":"TCABH1284641","name":"Zasobuju Blok","registered_at":"2026-06-18T20:08:22Z","spotify_id":"5uBsOwYQ5zetyTdfGHIkMO","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1429814599b64cc942773bc3d34c3440acad736c0db85f6240bcf8036fc73cc. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5uBsOwYQ5zetyTdfGHIkMO.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5uBsOwYQ5zetyTdfGHIkMO.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0xe1429814599b64cc942773bc3d34c3440acad736c0db85f6240bcf8036fc73cc","isrc":"TCABH1284641","name":"Zasobuju Blok","registered_at":"2026-06-18T20:08:22Z","spotify_id":"5uBsOwYQ5zetyTdfGHIkMO","type":"track"}

Zoo II (feat. Adyos)
type: MusicRecording
duration: PT4M0S
duration ms: 240141
explicit: false
by artist: Sergei Barracuda
by artist: Adyos
in album: Poulicni Ekonomicka II - Nechvalne Prosluly
  type: MusicAlbum
  date published: 2012-07-18
isrc code: TCABH1284643
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T11:34:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xce1e694c61d2ee8822f589f0ad17dff4c756f4ed12aed1c0fb50d29386dd3518
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4CWlYycyzzocnzHkSetbmr.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4CWlYycyzzocnzHkSetbmr
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xce1e694c61d2ee8822f589f0ad17dff4c756f4ed12aed1c0fb50d29386dd3518","isrc":"TCABH1284643","name":"Zoo II (feat. Adyos)","registered_at":"2026-06-20T11:34:44Z","spotify_id":"4CWlYycyzzocnzHkSetbmr","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce1e694c61d2ee8822f589f0ad17dff4c756f4ed12aed1c0fb50d29386dd3518. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4CWlYycyzzocnzHkSetbmr.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4CWlYycyzzocnzHkSetbmr.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0xce1e694c61d2ee8822f589f0ad17dff4c756f4ed12aed1c0fb50d29386dd3518","isrc":"TCABH1284643","name":"Zoo II (feat. Adyos)","registered_at":"2026-06-20T11:34:44Z","spotify_id":"4CWlYycyzzocnzHkSetbmr","type":"track"}

I.C.E. C.U.B.E.
type: MusicRecording
duration: PT3M26S
duration ms: 206791
explicit: false
by artist: Sergei Barracuda
in album: Poulicni Ekonomicka II - Nechvalne Prosluly
  type: MusicAlbum
  date published: 2012-07-18
isrc code: TCABH1284644
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T07:02:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x956ce0aca2f2cc432e796b700fa3278cac4c6536fd8909bed82b1ead29db1453
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/38uMP7DOLakLR6mgDfzlFV.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/38uMP7DOLakLR6mgDfzlFV
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x956ce0aca2f2cc432e796b700fa3278cac4c6536fd8909bed82b1ead29db1453","isrc":"TCABH1284644","name":"I.C.E. C.U.B.E.","registered_at":"2026-06-22T07:02:38Z","spotify_id":"38uMP7DOLakLR6mgDfzlFV","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x956ce0aca2f2cc432e796b700fa3278cac4c6536fd8909bed82b1ead29db1453. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/38uMP7DOLakLR6mgDfzlFV.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/38uMP7DOLakLR6mgDfzlFV.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x956ce0aca2f2cc432e796b700fa3278cac4c6536fd8909bed82b1ead29db1453","isrc":"TCABH1284644","name":"I.C.E. C.U.B.E.","registered_at":"2026-06-22T07:02:38Z","spotify_id":"38uMP7DOLakLR6mgDfzlFV","type":"track"}

Endorfin
type: MusicRecording
duration: PT3M48S
duration ms: 228299
explicit: false
by artist: Sergei Barracuda
in album: Poulicni Ekonomicka II - Nechvalne Prosluly
  type: MusicAlbum
  date published: 2012-07-18
isrc code: TCABH1284645
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T19:43:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xba885083941fbe43953e7c92b879b2c5bf531c0ef63aa3b9f0826b6eaf912f0d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6uGwmxf3qnLUx6d2vyRmw6.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6uGwmxf3qnLUx6d2vyRmw6
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba885083941fbe43953e7c92b879b2c5bf531c0ef63aa3b9f0826b6eaf912f0d. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6uGwmxf3qnLUx6d2vyRmw6.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6uGwmxf3qnLUx6d2vyRmw6.
  date published: 2026-06-13T15:41:10Z

Nech Me Zarit (feat. Delik & Pastor)
type: MusicRecording
duration: PT3M48S
duration ms: 228482
explicit: false
by artist: Sergei Barracuda
by artist: DeliK
by artist: Pastor
in album: Poulicni Ekonomicka II - Nechvalne Prosluly
  type: MusicAlbum
  date published: 2012-07-18
isrc code: TCABH1284646
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T06:58:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd472e828bde60c9e0daf61e656261cedb6bac8f1a46af3ab106d841e29048e49
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0srIze5iPBA34GfcvuO27q.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0srIze5iPBA34GfcvuO27q
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd472e828bde60c9e0daf61e656261cedb6bac8f1a46af3ab106d841e29048e49","isrc":"TCABH1284646","name":"Nech Me Zarit (feat. Delik & Pastor)","registered_at":"2026-06-24T06:58:25Z","spotify_id":"0srIze5iPBA34GfcvuO27q","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd472e828bde60c9e0daf61e656261cedb6bac8f1a46af3ab106d841e29048e49. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0srIze5iPBA34GfcvuO27q.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0srIze5iPBA34GfcvuO27q.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0xd472e828bde60c9e0daf61e656261cedb6bac8f1a46af3ab106d841e29048e49","isrc":"TCABH1284646","name":"Nech Me Zarit (feat. Delik & Pastor)","registered_at":"2026-06-24T06:58:25Z","spotify_id":"0srIze5iPBA34GfcvuO27q","type":"track"}

Ostrava
type: MusicAlbum
date published: 2024-09-06
track: Ostrava
  type: MusicRecording
  duration: PT3M35S
  duration ms: 215172
  explicit: false
  by artist: Sergei Barracuda
  in album: Ostrava
    type: MusicAlbum
    date published: 2024-09-06
  isrc code: CZUM72400695
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T11:13:47+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xbaa870440156fbc56c8d23dc15277b0bc9ad5faff85edf8c01d05b7a1641af2c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/4pkj6Ht0w2h62UsYJGoVEV.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4pkj6Ht0w2h62UsYJGoVEV
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbaa870440156fbc56c8d23dc15277b0bc9ad5faff85edf8c01d05b7a1641af2c. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4pkj6Ht0w2h62UsYJGoVEV.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4pkj6Ht0w2h62UsYJGoVEV.
    date published: 2026-06-13T15:41:10Z

Směj se teď
type: MusicAlbum
date published: 2024-03-22
track: Směj se teď
  type: MusicRecording
  duration: PT3M10S
  duration ms: 190173
  explicit: false
  by artist: Sergei Barracuda
  in album: Směj se teď
    type: MusicAlbum
    date published: 2024-03-22
  isrc code: CZUM72400236
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T09:12:32+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x45086f2dbaed0a4d680461d176fcfd8ccb15c3b5fbf29705dbcf8eeadcd57dc1
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953513
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/6jRFRjOhfwoZTfnEo6gr6g.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6jRFRjOhfwoZTfnEo6gr6g
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x45086f2dbaed0a4d680461d176fcfd8ccb15c3b5fbf29705dbcf8eeadcd57dc1","isrc":"CZUM72400236","name":"Směj se teď","registered_at":"2026-06-04T09:12:32Z","spotify_id":"6jRFRjOhfwoZTfnEo6gr6g","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45086f2dbaed0a4d680461d176fcfd8ccb15c3b5fbf29705dbcf8eeadcd57dc1. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6jRFRjOhfwoZTfnEo6gr6g.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6jRFRjOhfwoZTfnEo6gr6g.
    date published: 2026-06-13T12:47:07Z
    text: {"copyright_id":"0x45086f2dbaed0a4d680461d176fcfd8ccb15c3b5fbf29705dbcf8eeadcd57dc1","isrc":"CZUM72400236","name":"Směj se teď","registered_at":"2026-06-04T09:12:32Z","spotify_id":"6jRFRjOhfwoZTfnEo6gr6g","type":"track"}

Jedináčik
type: MusicAlbum
date published: 2023-05-26
track: Jedináčik
  type: MusicRecording
  duration: PT3M48S
  duration ms: 228982
  explicit: false
  by artist: Marko Damian
  by artist: Sergei Barracuda
  in album: Jedináčik
    type: MusicAlbum
    date published: 2023-05-26
  isrc code: QZWDW2345682
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-20T10:49:44+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xcdb206d4b1a2267a8b824f43776c6e7cd31817c76a2f5f951f7ea6df4cbbaa05
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956302
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/1wHvRq0RlcW822crpfSVzL.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1wHvRq0RlcW822crpfSVzL
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xcdb206d4b1a2267a8b824f43776c6e7cd31817c76a2f5f951f7ea6df4cbbaa05","isrc":"QZWDW2345682","name":"Jedináčik","registered_at":"2026-06-20T10:49:44Z","spotify_id":"1wHvRq0RlcW822crpfSVzL","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcdb206d4b1a2267a8b824f43776c6e7cd31817c76a2f5f951f7ea6df4cbbaa05. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1wHvRq0RlcW822crpfSVzL.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1wHvRq0RlcW822crpfSVzL.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0xcdb206d4b1a2267a8b824f43776c6e7cd31817c76a2f5f951f7ea6df4cbbaa05","isrc":"QZWDW2345682","name":"Jedináčik","registered_at":"2026-06-20T10:49:44Z","spotify_id":"1wHvRq0RlcW822crpfSVzL","type":"track"}

Bouře
type: MusicAlbum
date published: 2023-04-27
track: Bouře
  type: MusicRecording
  duration: PT3M16S
  duration ms: 196363
  explicit: false
  by artist: Sergei Barracuda
  in album: Bouře
    type: MusicAlbum
    date published: 2023-04-27
  isrc code: QZHN92375151
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-18T00:17:33+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x317aa90df567d607cd0dfdc0aa0b376f210990f484ba8aeb71ec4bdb32763463
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957124
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/957124
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/2uyFAzXdWblJD6TFVXL4ph.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2uyFAzXdWblJD6TFVXL4ph
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:53:27Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x317aa90df567d607cd0dfdc0aa0b376f210990f484ba8aeb71ec4bdb32763463","isrc":"QZHN92375151","name":"Bouře","registered_at":"2026-06-18T00:17:33Z","spotify_id":"2uyFAzXdWblJD6TFVXL4ph","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x317aa90df567d607cd0dfdc0aa0b376f210990f484ba8aeb71ec4bdb32763463. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2uyFAzXdWblJD6TFVXL4ph.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2uyFAzXdWblJD6TFVXL4ph.
    date published: 2026-07-08T03:53:27Z
    text: {"copyright_id":"0x317aa90df567d607cd0dfdc0aa0b376f210990f484ba8aeb71ec4bdb32763463","isrc":"QZHN92375151","name":"Bouře","registered_at":"2026-06-18T00:17:33Z","spotify_id":"2uyFAzXdWblJD6TFVXL4ph","type":"track"}

Prach (z filmu BANGER. – MATAMAR Remix)
type: MusicAlbum
date published: 2023-02-10
track: Prach - z filmu BANGER. – MATAMAR Remix
  type: MusicRecording
  duration: PT2M51S
  duration ms: 171034
  explicit: false
  by artist: Adam Mišík
  by artist: Sergei Barracuda
  by artist: Matamar
  in album: Prach (z filmu BANGER. – MATAMAR Remix)
    type: MusicAlbum
    date published: 2023-02-10
  isrc code: CZUM72300149
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T06:09:20+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x857571b065af13a269f005ffc14e081811724fafa642c1109baa0bcd8281745c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/2O8LdGvdoNs2YP6gznfh2x.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2O8LdGvdoNs2YP6gznfh2x
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x857571b065af13a269f005ffc14e081811724fafa642c1109baa0bcd8281745c","isrc":"CZUM72300149","name":"Prach - z filmu BANGER. – MATAMAR Remix","registered_at":"2026-06-10T06:09:20Z","spotify_id":"2O8LdGvdoNs2YP6gznfh2x","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x857571b065af13a269f005ffc14e081811724fafa642c1109baa0bcd8281745c. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2O8LdGvdoNs2YP6gznfh2x.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2O8LdGvdoNs2YP6gznfh2x.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x857571b065af13a269f005ffc14e081811724fafa642c1109baa0bcd8281745c","isrc":"CZUM72300149","name":"Prach - z filmu BANGER. – MATAMAR Remix","registered_at":"2026-06-10T06:09:20Z","spotify_id":"2O8LdGvdoNs2YP6gznfh2x","type":"track"}

Mr. Sergei B
type: MusicAlbum
date published: 2023-01-26
track: Mr. Sergei B
  type: MusicRecording
  duration: PT3M3S
  duration ms: 183430
  explicit: false
  by artist: Sergei Barracuda
  in album: Mr. Sergei B
    type: MusicAlbum
    date published: 2023-01-26
  isrc code: QZFZ22383611
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T19:57:06+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3c691e72787dd3e89d78ade6f17a894c7823c7bd9be63da963e6e687dcb3de7d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956894
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956894
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/6IY9MWQtOto2hImqTZ7PWX.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6IY9MWQtOto2hImqTZ7PWX
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T07:53:57Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x3c691e72787dd3e89d78ade6f17a894c7823c7bd9be63da963e6e687dcb3de7d","isrc":"QZFZ22383611","name":"Mr. Sergei B","registered_at":"2026-06-07T19:57:06Z","spotify_id":"6IY9MWQtOto2hImqTZ7PWX","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c691e72787dd3e89d78ade6f17a894c7823c7bd9be63da963e6e687dcb3de7d. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6IY9MWQtOto2hImqTZ7PWX.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6IY9MWQtOto2hImqTZ7PWX.
    date published: 2026-07-06T07:53:57Z
    text: {"copyright_id":"0x3c691e72787dd3e89d78ade6f17a894c7823c7bd9be63da963e6e687dcb3de7d","isrc":"QZFZ22383611","name":"Mr. Sergei B","registered_at":"2026-06-07T19:57:06Z","spotify_id":"6IY9MWQtOto2hImqTZ7PWX","type":"track"}
track: Mr. Sergei B - Instrumental
  type: MusicRecording
  duration: PT3M3S
  duration ms: 183445
  explicit: false
  by artist: Sergei Barracuda
  in album: Mr. Sergei B
    type: MusicAlbum
    date published: 2023-01-26
  isrc code: QZFZ22383612

Asteroidy
type: MusicAlbum
date published: 2022-11-03
track: Asteroidy
  type: MusicRecording
  duration: PT3M51S
  duration ms: 231310
  explicit: false
  by artist: Sergei Barracuda
  by artist: Rollsout
  in album: Asteroidy
    type: MusicAlbum
    date published: 2022-11-03
  isrc code: QZTAT2297409
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T12:01:10+00:00

Láska je když...
type: MusicAlbum
date published: 2022-09-20
track: Láska je když...
  type: MusicRecording
  duration: PT3M12S
  duration ms: 192328
  explicit: false
  by artist: Sergei Barracuda
  in album: Láska je když...
    type: MusicAlbum
    date published: 2022-09-20
  isrc code: QZNWX2274253
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T10:28:10+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd11dcc0ea4c82f666fcf65270f1f3d5f6d9e20761012a0b70b92ec66fda1a5af
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956302
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/7dr8l8ozaMTV14FhBr6ncD.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7dr8l8ozaMTV14FhBr6ncD
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xd11dcc0ea4c82f666fcf65270f1f3d5f6d9e20761012a0b70b92ec66fda1a5af","isrc":"QZNWX2274253","name":"Láska je když...","registered_at":"2026-06-06T10:28:10Z","spotify_id":"7dr8l8ozaMTV14FhBr6ncD","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd11dcc0ea4c82f666fcf65270f1f3d5f6d9e20761012a0b70b92ec66fda1a5af. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7dr8l8ozaMTV14FhBr6ncD.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7dr8l8ozaMTV14FhBr6ncD.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0xd11dcc0ea4c82f666fcf65270f1f3d5f6d9e20761012a0b70b92ec66fda1a5af","isrc":"QZNWX2274253","name":"Láska je když...","registered_at":"2026-06-06T10:28:10Z","spotify_id":"7dr8l8ozaMTV14FhBr6ncD","type":"track"}

Prach (z filmu BANGER.)
type: MusicAlbum
date published: 2022-09-02
track: Prach - z filmu BANGER.
  type: MusicRecording
  duration: PT2M41S
  duration ms: 161164
  explicit: false
  by artist: Adam Mišík
  by artist: Sergei Barracuda
  in album: Prach (z filmu BANGER.)
    type: MusicAlbum
    date published: 2022-09-02
  isrc code: CZUM72200846
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T12:50:37+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6c320f6176d86c9701b7779f4ebdcc65567451f095c841138fca4fe0a5601eda
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953513
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/2nR4w34eMUWK3VuRygoIpq.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2nR4w34eMUWK3VuRygoIpq
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x6c320f6176d86c9701b7779f4ebdcc65567451f095c841138fca4fe0a5601eda","isrc":"CZUM72200846","name":"Prach - z filmu BANGER.","registered_at":"2026-06-04T12:50:37Z","spotify_id":"2nR4w34eMUWK3VuRygoIpq","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c320f6176d86c9701b7779f4ebdcc65567451f095c841138fca4fe0a5601eda. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2nR4w34eMUWK3VuRygoIpq.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2nR4w34eMUWK3VuRygoIpq.
    date published: 2026-06-13T12:47:07Z
    text: {"copyright_id":"0x6c320f6176d86c9701b7779f4ebdcc65567451f095c841138fca4fe0a5601eda","isrc":"CZUM72200846","name":"Prach - z filmu BANGER.","registered_at":"2026-06-04T12:50:37Z","spotify_id":"2nR4w34eMUWK3VuRygoIpq","type":"track"}

Jeď
type: MusicAlbum
date published: 2022-08-28
track: Jeď
  type: MusicRecording
  duration: PT3M13S
  duration ms: 193056
  explicit: false
  by artist: Sergei Barracuda
  in album: Jeď
    type: MusicAlbum
    date published: 2022-08-28
  isrc code: QZNWS2244346
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T20:01:33+00:00

Skúsenosti a názor
type: MusicAlbum
date published: 2022-04-15
track: Skúsenosti a názor
  type: MusicRecording
  duration: PT3M28S
  duration ms: 208838
  explicit: false
  by artist: Saimonsa
  by artist: Sergei Barracuda
  in album: Skúsenosti a názor
    type: MusicAlbum
    date published: 2022-04-15
  isrc code: QZN882221308
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-22T07:15:08+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xca20f792c4793b93f374799b6afc7f698f2406cfa586adcf771134adc46acc9b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/2dYe6sLrofRQpJtl7XLbRp.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2dYe6sLrofRQpJtl7XLbRp
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xca20f792c4793b93f374799b6afc7f698f2406cfa586adcf771134adc46acc9b","isrc":"QZN882221308","name":"Skúsenosti a názor","registered_at":"2026-06-22T07:15:08Z","spotify_id":"2dYe6sLrofRQpJtl7XLbRp","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca20f792c4793b93f374799b6afc7f698f2406cfa586adcf771134adc46acc9b. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2dYe6sLrofRQpJtl7XLbRp.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2dYe6sLrofRQpJtl7XLbRp.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0xca20f792c4793b93f374799b6afc7f698f2406cfa586adcf771134adc46acc9b","isrc":"QZN882221308","name":"Skúsenosti a názor","registered_at":"2026-06-22T07:15:08Z","spotify_id":"2dYe6sLrofRQpJtl7XLbRp","type":"track"}

Budem se mít fajn
type: MusicAlbum
date published: 2021-07-12
track: Budem se mít fajn
  type: MusicRecording
  duration: PT3M35S
  duration ms: 215522
  explicit: false
  by artist: Sergei Barracuda
  in album: Budem se mít fajn
    type: MusicAlbum
    date published: 2021-07-12
  isrc code: QZK6N2165625
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-05T16:41:54+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7516cbe968c10d4885a377f60fbe4e262584d64c3be7bf9713b2b7323ea7890d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956302
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/5WdzsYOD4sgmy4B5I0cI4k.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5WdzsYOD4sgmy4B5I0cI4k
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x7516cbe968c10d4885a377f60fbe4e262584d64c3be7bf9713b2b7323ea7890d","isrc":"QZK6N2165625","name":"Budem se mít fajn","registered_at":"2026-06-05T16:41:54Z","spotify_id":"5WdzsYOD4sgmy4B5I0cI4k","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7516cbe968c10d4885a377f60fbe4e262584d64c3be7bf9713b2b7323ea7890d. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5WdzsYOD4sgmy4B5I0cI4k.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5WdzsYOD4sgmy4B5I0cI4k.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0x7516cbe968c10d4885a377f60fbe4e262584d64c3be7bf9713b2b7323ea7890d","isrc":"QZK6N2165625","name":"Budem se mít fajn","registered_at":"2026-06-05T16:41:54Z","spotify_id":"5WdzsYOD4sgmy4B5I0cI4k","type":"track"}

Numa Numa
type: MusicAlbum
date published: 2021-06-15
track: Numa Numa
  type: MusicRecording
  duration: PT3M40S
  duration ms: 220444
  explicit: false
  by artist: Konex
  by artist: Sergei Barracuda
  in album: Numa Numa
    type: MusicAlbum
    date published: 2021-06-15
  isrc code: SKA012100115
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-22T06:47:24+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa36da5a3582c5b5fce4555dab04e1fdf12c2eb46fe5505d0555eae5f2f098919
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956312
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956312
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/2AbjhTYLVpoc0QhpkhCSzw.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2AbjhTYLVpoc0QhpkhCSzw
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xa36da5a3582c5b5fce4555dab04e1fdf12c2eb46fe5505d0555eae5f2f098919","isrc":"SKA012100115","name":"Numa Numa","registered_at":"2026-06-22T06:47:24Z","spotify_id":"2AbjhTYLVpoc0QhpkhCSzw","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa36da5a3582c5b5fce4555dab04e1fdf12c2eb46fe5505d0555eae5f2f098919. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2AbjhTYLVpoc0QhpkhCSzw.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2AbjhTYLVpoc0QhpkhCSzw.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0xa36da5a3582c5b5fce4555dab04e1fdf12c2eb46fe5505d0555eae5f2f098919","isrc":"SKA012100115","name":"Numa Numa","registered_at":"2026-06-22T06:47:24Z","spotify_id":"2AbjhTYLVpoc0QhpkhCSzw","type":"track"}

Na Rohu
type: MusicAlbum
date published: 2020-12-03
track: Na Rohu
  type: MusicRecording
  duration: PT4M13S
  duration ms: 253277
  explicit: false
  by artist: Sergei Barracuda
  by artist: VI Deck
  in album: Na Rohu
    type: MusicAlbum
    date published: 2020-12-03
  isrc code: QZNWV2047747
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-11T16:14:41+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x93425bc555b0feed9a176ccc4f9072f51c5a7254dd38d6e6df19d4db5bc3b57b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957118
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/957118
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/66F78hzellXWJ1QKs8HnVs.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/66F78hzellXWJ1QKs8HnVs
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x93425bc555b0feed9a176ccc4f9072f51c5a7254dd38d6e6df19d4db5bc3b57b","isrc":"QZNWV2047747","name":"Na Rohu","registered_at":"2026-06-11T16:14:41Z","spotify_id":"66F78hzellXWJ1QKs8HnVs","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93425bc555b0feed9a176ccc4f9072f51c5a7254dd38d6e6df19d4db5bc3b57b. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/66F78hzellXWJ1QKs8HnVs.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/66F78hzellXWJ1QKs8HnVs.
    date published: 2026-07-08T03:20:19Z
    text: {"copyright_id":"0x93425bc555b0feed9a176ccc4f9072f51c5a7254dd38d6e6df19d4db5bc3b57b","isrc":"QZNWV2047747","name":"Na Rohu","registered_at":"2026-06-11T16:14:41Z","spotify_id":"66F78hzellXWJ1QKs8HnVs","type":"track"}

Karanténa
type: MusicAlbum
date published: 2020-11-22
track: Karanténa
  type: MusicRecording
  duration: PT2M35S
  duration ms: 155000
  explicit: false
  by artist: Sergei Barracuda
  by artist: Hard Rico
  in album: Karanténa
    type: MusicAlbum
    date published: 2020-11-22
  isrc code: QZNWU2020205
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-05T17:52:28+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x62d5f58e868e15fcca57b638d37ce85c669af34a79ea4ea7fe1c0cf6ae24301f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953513
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/2qNsYTZ5Qv69vBVpmbISNb.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2qNsYTZ5Qv69vBVpmbISNb
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x62d5f58e868e15fcca57b638d37ce85c669af34a79ea4ea7fe1c0cf6ae24301f","isrc":"QZNWU2020205","name":"Karanténa","registered_at":"2026-06-05T17:52:28Z","spotify_id":"2qNsYTZ5Qv69vBVpmbISNb","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62d5f58e868e15fcca57b638d37ce85c669af34a79ea4ea7fe1c0cf6ae24301f. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2qNsYTZ5Qv69vBVpmbISNb.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2qNsYTZ5Qv69vBVpmbISNb.
    date published: 2026-06-13T12:47:07Z
    text: {"copyright_id":"0x62d5f58e868e15fcca57b638d37ce85c669af34a79ea4ea7fe1c0cf6ae24301f","isrc":"QZNWU2020205","name":"Karanténa","registered_at":"2026-06-05T17:52:28Z","spotify_id":"2qNsYTZ5Qv69vBVpmbISNb","type":"track"}

Baba Yaga
type: MusicAlbum
date published: 2020-09-13
track: Baba Yaga
  type: MusicRecording
  duration: PT3M2S
  duration ms: 182343
  explicit: false
  by artist: Sergei Barracuda
  by artist: Peyseyko808
  in album: Baba Yaga
    type: MusicAlbum
    date published: 2020-09-13
  isrc code: QZK6J2095854

Legendární
type: MusicAlbum
date published: 2020-08-10
track: Legendární
  type: MusicRecording
  duration: PT3M36S
  duration ms: 216655
  explicit: false
  by artist: Sergei Barracuda
  by artist: Rytmo
  in album: Legendární
    type: MusicAlbum
    date published: 2020-08-10
  isrc code: QZK6N2049079
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-05T09:27:52+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x16f7302ce28c755fb7be3b34b395b68b76d3c1438e20e81f4d62fb89517ed982
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956894
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956894
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/4gDNK0RO8B3snFReCdjVJH.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4gDNK0RO8B3snFReCdjVJH
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T07:53:57Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x16f7302ce28c755fb7be3b34b395b68b76d3c1438e20e81f4d62fb89517ed982","isrc":"QZK6N2049079","name":"Legendární","registered_at":"2026-06-05T09:27:52Z","spotify_id":"4gDNK0RO8B3snFReCdjVJH","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16f7302ce28c755fb7be3b34b395b68b76d3c1438e20e81f4d62fb89517ed982. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4gDNK0RO8B3snFReCdjVJH.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4gDNK0RO8B3snFReCdjVJH.
    date published: 2026-07-06T07:53:57Z
    text: {"copyright_id":"0x16f7302ce28c755fb7be3b34b395b68b76d3c1438e20e81f4d62fb89517ed982","isrc":"QZK6N2049079","name":"Legendární","registered_at":"2026-06-05T09:27:52Z","spotify_id":"4gDNK0RO8B3snFReCdjVJH","type":"track"}

Jezdec
type: MusicAlbum
date published: 2020-05-31
track: Jezdec
  type: MusicRecording
  duration: PT3M24S
  duration ms: 204944
  explicit: false
  by artist: Sergei Barracuda
  in album: Jezdec
    type: MusicAlbum
    date published: 2020-05-31
  isrc code: QZHN52019073
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T05:03:53+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6b7b2ba47cee8a66fa7aaaf6cebf7e48d0cd3bfc03aab968dfe3caff7e8df334
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957120
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/957120
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/32XojckmY0OaRTRFCXnk0R.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/32XojckmY0OaRTRFCXnk0R
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:22:41Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b7b2ba47cee8a66fa7aaaf6cebf7e48d0cd3bfc03aab968dfe3caff7e8df334. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/32XojckmY0OaRTRFCXnk0R.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/32XojckmY0OaRTRFCXnk0R.
    date published: 2026-07-08T03:22:41Z

Lebron (Hot16)
type: MusicAlbum
date published: 2020-05-14
track: Lebron (Hot16)
  type: MusicRecording
  duration: PT2M54S
  duration ms: 174677
  explicit: false
  by artist: Sergei Barracuda
  in album: Lebron (Hot16)
    type: MusicAlbum
    date published: 2020-05-14
  isrc code: QZES92062158
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T10:04:41+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x74749b1ad28a8cbbcbf04397af9e5b64e7cc493f262f7f2d1a58255e9a5329c7
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/6ySTPolVs0rRBf12XpFcz4.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6ySTPolVs0rRBf12XpFcz4
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x74749b1ad28a8cbbcbf04397af9e5b64e7cc493f262f7f2d1a58255e9a5329c7","isrc":"QZES92062158","name":"Lebron (Hot16)","registered_at":"2026-06-09T10:04:41Z","spotify_id":"6ySTPolVs0rRBf12XpFcz4","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74749b1ad28a8cbbcbf04397af9e5b64e7cc493f262f7f2d1a58255e9a5329c7. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6ySTPolVs0rRBf12XpFcz4.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6ySTPolVs0rRBf12XpFcz4.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0x74749b1ad28a8cbbcbf04397af9e5b64e7cc493f262f7f2d1a58255e9a5329c7","isrc":"QZES92062158","name":"Lebron (Hot16)","registered_at":"2026-06-09T10:04:41Z","spotify_id":"6ySTPolVs0rRBf12XpFcz4","type":"track"}

Jezebel
type: MusicAlbum
date published: 2020-04-05
track: Jezebel
  type: MusicRecording
  duration: PT4M36S
  duration ms: 276181
  explicit: false
  by artist: Sergei Barracuda
  in album: Jezebel
    type: MusicAlbum
    date published: 2020-04-05
  isrc code: QZDA62040364
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T14:53:53+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7c03d6a3b0e0ad3c52bd2b0fc1d64b570056eba86036d9153fb982e4cad2e64e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956889
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956889
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/1ZcXKpB7kDel4VMLbPht1K.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1ZcXKpB7kDel4VMLbPht1K
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T06:56:49Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c03d6a3b0e0ad3c52bd2b0fc1d64b570056eba86036d9153fb982e4cad2e64e. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1ZcXKpB7kDel4VMLbPht1K.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1ZcXKpB7kDel4VMLbPht1K.
    date published: 2026-07-06T06:56:49Z

Had
type: MusicAlbum
date published: 2019-05-22
track: Had
  type: MusicRecording
  duration: PT4M49S
  duration ms: 289606
  explicit: false
  by artist: Sergei Barracuda
  by artist: Smack
  by artist: Pil C
  in album: Had
    type: MusicAlbum
    date published: 2019-05-22
  isrc code: TCAEG1912454
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T01:19:24+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x05db4fb8f53e6388f6d00a468280f01c18bb13c7827c296196ad567935140c08
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956349
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956349
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/7EtuLgzIjW0yOTkC7nEOwG.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7EtuLgzIjW0yOTkC7nEOwG
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T11:34:59Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05db4fb8f53e6388f6d00a468280f01c18bb13c7827c296196ad567935140c08. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7EtuLgzIjW0yOTkC7nEOwG.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7EtuLgzIjW0yOTkC7nEOwG.
    date published: 2026-07-02T11:34:59Z

Risk je zisk
type: MusicRecording
duration: PT3M25S
duration ms: 205714
explicit: false
by artist: Dollar Prync
by artist: Sergei Barracuda
in album: Kures Drill
  type: MusicAlbum
  date published: 2023-08-18
isrc code: CZUM72300886
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T22:21:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4c08bed9ef42834a476e4d6bbe7e8580090cff102a988bdb568a9e8fe78dde8c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4xVmEC0qrClDiVSR8mEk7c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4xVmEC0qrClDiVSR8mEk7c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4c08bed9ef42834a476e4d6bbe7e8580090cff102a988bdb568a9e8fe78dde8c","isrc":"CZUM72300886","name":"Risk je zisk","registered_at":"2026-06-05T22:21:04Z","spotify_id":"4xVmEC0qrClDiVSR8mEk7c","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c08bed9ef42834a476e4d6bbe7e8580090cff102a988bdb568a9e8fe78dde8c. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4xVmEC0qrClDiVSR8mEk7c.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4xVmEC0qrClDiVSR8mEk7c.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x4c08bed9ef42834a476e4d6bbe7e8580090cff102a988bdb568a9e8fe78dde8c","isrc":"CZUM72300886","name":"Risk je zisk","registered_at":"2026-06-05T22:21:04Z","spotify_id":"4xVmEC0qrClDiVSR8mEk7c","type":"track"}

A já vím proč
type: MusicRecording
duration: PT3M12S
duration ms: 192000
explicit: false
by artist: Sergei Barracuda
in album: Růst & Prosperita
  type: MusicAlbum
  date published: 2023-06-28
isrc code: QZMEM2361410
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T17:11:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdeed04d2cb8f4f8da674eeebfa25e59548e7d6a0994c728a7e18b96bcdfad075
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/55pbHBVAiagyXvJaP5weyG.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/55pbHBVAiagyXvJaP5weyG
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xdeed04d2cb8f4f8da674eeebfa25e59548e7d6a0994c728a7e18b96bcdfad075","isrc":"QZMEM2361410","name":"A já vím proč","registered_at":"2026-06-06T17:11:33Z","spotify_id":"55pbHBVAiagyXvJaP5weyG","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdeed04d2cb8f4f8da674eeebfa25e59548e7d6a0994c728a7e18b96bcdfad075. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/55pbHBVAiagyXvJaP5weyG.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/55pbHBVAiagyXvJaP5weyG.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xdeed04d2cb8f4f8da674eeebfa25e59548e7d6a0994c728a7e18b96bcdfad075","isrc":"QZMEM2361410","name":"A já vím proč","registered_at":"2026-06-06T17:11:33Z","spotify_id":"55pbHBVAiagyXvJaP5weyG","type":"track"}

Nijagára
type: MusicRecording
duration: PT3M7S
duration ms: 187058
explicit: false
by artist: Sergei Barracuda
by artist: Smack One
in album: Růst & Prosperita
  type: MusicAlbum
  date published: 2023-06-28
isrc code: QZMEM2361411
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T12:03:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x35130383bd6ac75a8f5457f3a14ccfa1bf81567e10aeca6be8ddad4d3b91e3ef
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0mOk2t36d9CYrUkPq9hKuh.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0mOk2t36d9CYrUkPq9hKuh
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x35130383bd6ac75a8f5457f3a14ccfa1bf81567e10aeca6be8ddad4d3b91e3ef","isrc":"QZMEM2361411","name":"Nijagára","registered_at":"2026-06-08T12:03:23Z","spotify_id":"0mOk2t36d9CYrUkPq9hKuh","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35130383bd6ac75a8f5457f3a14ccfa1bf81567e10aeca6be8ddad4d3b91e3ef. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0mOk2t36d9CYrUkPq9hKuh.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0mOk2t36d9CYrUkPq9hKuh.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x35130383bd6ac75a8f5457f3a14ccfa1bf81567e10aeca6be8ddad4d3b91e3ef","isrc":"QZMEM2361411","name":"Nijagára","registered_at":"2026-06-08T12:03:23Z","spotify_id":"0mOk2t36d9CYrUkPq9hKuh","type":"track"}

Mr. Sergei B
type: MusicRecording
duration: PT3M3S
duration ms: 183430
explicit: false
by artist: Sergei Barracuda
in album: Růst & Prosperita
  type: MusicAlbum
  date published: 2023-06-28
isrc code: QZFZ22383611
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T19:57:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3c691e72787dd3e89d78ade6f17a894c7823c7bd9be63da963e6e687dcb3de7d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953515
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6UpWzHz28O4CoIgrsynXU7.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6UpWzHz28O4CoIgrsynXU7
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x3c691e72787dd3e89d78ade6f17a894c7823c7bd9be63da963e6e687dcb3de7d","isrc":"QZFZ22383611","name":"Mr. Sergei B","registered_at":"2026-06-07T19:57:06Z","spotify_id":"6UpWzHz28O4CoIgrsynXU7","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c691e72787dd3e89d78ade6f17a894c7823c7bd9be63da963e6e687dcb3de7d. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6UpWzHz28O4CoIgrsynXU7.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6UpWzHz28O4CoIgrsynXU7.
  date published: 2026-06-13T12:53:06Z
  text: {"copyright_id":"0x3c691e72787dd3e89d78ade6f17a894c7823c7bd9be63da963e6e687dcb3de7d","isrc":"QZFZ22383611","name":"Mr. Sergei B","registered_at":"2026-06-07T19:57:06Z","spotify_id":"6UpWzHz28O4CoIgrsynXU7","type":"track"}

Láska je když...
type: MusicRecording
duration: PT3M12S
duration ms: 192328
explicit: false
by artist: Sergei Barracuda
in album: Růst & Prosperita
  type: MusicAlbum
  date published: 2023-06-28
isrc code: QZNWX2274253
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T10:28:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd11dcc0ea4c82f666fcf65270f1f3d5f6d9e20761012a0b70b92ec66fda1a5af
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5NtIDz2LFEtiPHNPjG2ENh.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5NtIDz2LFEtiPHNPjG2ENh
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd11dcc0ea4c82f666fcf65270f1f3d5f6d9e20761012a0b70b92ec66fda1a5af","isrc":"QZNWX2274253","name":"Láska je když...","registered_at":"2026-06-06T10:28:10Z","spotify_id":"5NtIDz2LFEtiPHNPjG2ENh","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd11dcc0ea4c82f666fcf65270f1f3d5f6d9e20761012a0b70b92ec66fda1a5af. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5NtIDz2LFEtiPHNPjG2ENh.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5NtIDz2LFEtiPHNPjG2ENh.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0xd11dcc0ea4c82f666fcf65270f1f3d5f6d9e20761012a0b70b92ec66fda1a5af","isrc":"QZNWX2274253","name":"Láska je když...","registered_at":"2026-06-06T10:28:10Z","spotify_id":"5NtIDz2LFEtiPHNPjG2ENh","type":"track"}

Oblíbený interpret
type: MusicRecording
duration: PT3M1S
duration ms: 181894
explicit: false
by artist: Sergei Barracuda
in album: Růst & Prosperita
  type: MusicAlbum
  date published: 2023-06-28
isrc code: QZMEM2361412
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T12:04:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7d8e66ae3c9398f2d3b19501f1a49685e00b12440f299f789b0ade2d97fd10cb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7Aok4L38SN4Jj99j6TsZ8c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7Aok4L38SN4Jj99j6TsZ8c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7d8e66ae3c9398f2d3b19501f1a49685e00b12440f299f789b0ade2d97fd10cb","isrc":"QZMEM2361412","name":"Oblíbený interpret","registered_at":"2026-06-08T12:04:44Z","spotify_id":"7Aok4L38SN4Jj99j6TsZ8c","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d8e66ae3c9398f2d3b19501f1a49685e00b12440f299f789b0ade2d97fd10cb. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7Aok4L38SN4Jj99j6TsZ8c.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7Aok4L38SN4Jj99j6TsZ8c.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x7d8e66ae3c9398f2d3b19501f1a49685e00b12440f299f789b0ade2d97fd10cb","isrc":"QZMEM2361412","name":"Oblíbený interpret","registered_at":"2026-06-08T12:04:44Z","spotify_id":"7Aok4L38SN4Jj99j6TsZ8c","type":"track"}

Skončila Show
type: MusicRecording
duration: PT4M2S
duration ms: 242964
explicit: false
by artist: Smack One
by artist: Sergei Barracuda
in album: P's A Love 2
  type: MusicAlbum
  date published: 2019-04-26
isrc code: GBMA21969202
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T07:13:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x02b551a77eeafd9699208f55fe832ec9d26428be0f55b2cdd9df6b19a6571969
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953515
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2J3yh89m6qn0uVN2sEDtrG.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2J3yh89m6qn0uVN2sEDtrG
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x02b551a77eeafd9699208f55fe832ec9d26428be0f55b2cdd9df6b19a6571969","isrc":"GBMA21969202","name":"Skončila Show","registered_at":"2026-06-07T07:13:40Z","spotify_id":"2J3yh89m6qn0uVN2sEDtrG","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02b551a77eeafd9699208f55fe832ec9d26428be0f55b2cdd9df6b19a6571969. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2J3yh89m6qn0uVN2sEDtrG.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2J3yh89m6qn0uVN2sEDtrG.
  date published: 2026-06-13T12:53:06Z
  text: {"copyright_id":"0x02b551a77eeafd9699208f55fe832ec9d26428be0f55b2cdd9df6b19a6571969","isrc":"GBMA21969202","name":"Skončila Show","registered_at":"2026-06-07T07:13:40Z","spotify_id":"2J3yh89m6qn0uVN2sEDtrG","type":"track"}

Asteroidy
type: MusicRecording
duration: PT3M51S
duration ms: 231310
explicit: false
by artist: Sergei Barracuda
by artist: Rollsout
in album: Růst & Prosperita
  type: MusicAlbum
  date published: 2023-06-28
isrc code: QZTAT2297409
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T12:01:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x67399dc19af45cca32f11f39e6cd4331c5003a44352d6399466b128e611af38d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/32LNx7hBZ2aLZJmYkXqZrU.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/32LNx7hBZ2aLZJmYkXqZrU
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67399dc19af45cca32f11f39e6cd4331c5003a44352d6399466b128e611af38d. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/32LNx7hBZ2aLZJmYkXqZrU.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/32LNx7hBZ2aLZJmYkXqZrU.
  date published: 2026-06-13T15:41:10Z

Dobré ráno
type: MusicRecording
duration: PT2M44S
duration ms: 164897
explicit: false
by artist: Sergei Barracuda
in album: Růst & Prosperita
  type: MusicAlbum
  date published: 2023-06-28
isrc code: QZMEM2361409
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T07:34:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbdaecb4e19d2060a0835eb1b6f6dd9cb423abfeaf8b9d50f60166b1a4f1fd6b6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6dTzI8pj64HisoXyVnMfGK.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6dTzI8pj64HisoXyVnMfGK
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xbdaecb4e19d2060a0835eb1b6f6dd9cb423abfeaf8b9d50f60166b1a4f1fd6b6","isrc":"QZMEM2361409","name":"Dobré ráno","registered_at":"2026-06-09T07:34:32Z","spotify_id":"6dTzI8pj64HisoXyVnMfGK","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbdaecb4e19d2060a0835eb1b6f6dd9cb423abfeaf8b9d50f60166b1a4f1fd6b6. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6dTzI8pj64HisoXyVnMfGK.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6dTzI8pj64HisoXyVnMfGK.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xbdaecb4e19d2060a0835eb1b6f6dd9cb423abfeaf8b9d50f60166b1a4f1fd6b6","isrc":"QZMEM2361409","name":"Dobré ráno","registered_at":"2026-06-09T07:34:32Z","spotify_id":"6dTzI8pj64HisoXyVnMfGK","type":"track"}

Jeď
type: MusicRecording
duration: PT3M13S
duration ms: 193056
explicit: false
by artist: Sergei Barracuda
in album: Růst & Prosperita
  type: MusicAlbum
  date published: 2023-06-28
isrc code: QZNWS2244346
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T20:01:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x47498a62a160729afa21ec0e5bf3f62f26995f1d218c8efb9d6790403938c178
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6kGDeZ2hNwTEMtzw3D6wEC.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6kGDeZ2hNwTEMtzw3D6wEC
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x47498a62a160729afa21ec0e5bf3f62f26995f1d218c8efb9d6790403938c178","isrc":"QZNWS2244346","name":"Jeď","registered_at":"2026-06-08T20:01:33Z","spotify_id":"6kGDeZ2hNwTEMtzw3D6wEC","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47498a62a160729afa21ec0e5bf3f62f26995f1d218c8efb9d6790403938c178. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6kGDeZ2hNwTEMtzw3D6wEC.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6kGDeZ2hNwTEMtzw3D6wEC.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x47498a62a160729afa21ec0e5bf3f62f26995f1d218c8efb9d6790403938c178","isrc":"QZNWS2244346","name":"Jeď","registered_at":"2026-06-08T20:01:33Z","spotify_id":"6kGDeZ2hNwTEMtzw3D6wEC","type":"track"}

Vždy extra
type: MusicRecording
duration: PT3M37S
duration ms: 217815
explicit: false
by artist: Sergei Barracuda
by artist: Dokkeytino
by artist: Peyseyko808
in album: Růst & Prosperita
  type: MusicAlbum
  date published: 2023-06-28
isrc code: QZMEM2361419
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2leHPv6sFBadT0HDegV7Wj.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2leHPv6sFBadT0HDegV7Wj
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSCanonicalRecord
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x882209edf89c0e78f1237c6953496b016e1281eefbfb411c5d77a0a85ad094a7. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2leHPv6sFBadT0HDegV7Wj.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2leHPv6sFBadT0HDegV7Wj.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x882209edf89c0e78f1237c6953496b016e1281eefbfb411c5d77a0a85ad094a7","isrc":"QZMEM2361419","name":"Vždy extra","registered_at":"2026-06-09T17:23:41Z","spotify_id":"2leHPv6sFBadT0HDegV7Wj","type":"track"}

Zůstane mezi náma
type: MusicRecording
duration: PT2M28S
duration ms: 148114
explicit: false
by artist: Sergei Barracuda
by artist: Saimonsa
in album: Růst & Prosperita
  type: MusicAlbum
  date published: 2023-06-28
isrc code: QZMEM2361416
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2z5tGNXC6QBRitftiTZOcS.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2z5tGNXC6QBRitftiTZOcS
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSCanonicalRecord
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c9c8105208c1fc1d4ebae5848c5ae995bef130472222214733404727c1bbc9a. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2z5tGNXC6QBRitftiTZOcS.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2z5tGNXC6QBRitftiTZOcS.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x1c9c8105208c1fc1d4ebae5848c5ae995bef130472222214733404727c1bbc9a","isrc":"QZMEM2361416","name":"Zůstane mezi náma","registered_at":"2026-06-10T17:16:45Z","spotify_id":"2z5tGNXC6QBRitftiTZOcS","type":"track"}

Policie zná moje jméno
type: MusicRecording
duration: PT2M56S
duration ms: 176874
explicit: false
by artist: Sensey
by artist: Sergei Barracuda
in album: BRATAN
  type: MusicAlbum
  date published: 2019-11-15
isrc code: CZUM71900457
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf5b0f7e9650ec89102ddc308df7df3af7e0d7f54f19d0a92b31e49165c552e8c
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/31Ye9wiX4cMIVbE4lJQlSD.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/31Ye9wiX4cMIVbE4lJQlSD
additional property: OTSTimestamp
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additional property: OTSCanonicalRecord
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5b0f7e9650ec89102ddc308df7df3af7e0d7f54f19d0a92b31e49165c552e8c. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/31Ye9wiX4cMIVbE4lJQlSD.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/31Ye9wiX4cMIVbE4lJQlSD.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xf5b0f7e9650ec89102ddc308df7df3af7e0d7f54f19d0a92b31e49165c552e8c","isrc":"CZUM71900457","name":"Policie zná moje jméno","registered_at":"2026-06-08T22:35:36Z","spotify_id":"31Ye9wiX4cMIVbE4lJQlSD","type":"track"}

Požehnán jako teď
type: MusicRecording
duration: PT3M21S
duration ms: 201904
explicit: false
by artist: Sergei Barracuda
by artist: Ektor
in album: Růst & Prosperita
  type: MusicAlbum
  date published: 2023-06-28
isrc code: QZMEM2361414
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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  value: 2026-06-09T17:24:05+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xe997f5c36e48c1c7f3aa44b9046deb93bc6348f86eae321a2b5377907f25f909
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5ewCUgSVdIRenjqP59ObGn.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5ewCUgSVdIRenjqP59ObGn
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSCanonicalRecord
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe997f5c36e48c1c7f3aa44b9046deb93bc6348f86eae321a2b5377907f25f909. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5ewCUgSVdIRenjqP59ObGn.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5ewCUgSVdIRenjqP59ObGn.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0xe997f5c36e48c1c7f3aa44b9046deb93bc6348f86eae321a2b5377907f25f909","isrc":"QZMEM2361414","name":"Požehnán jako teď","registered_at":"2026-06-09T17:24:05Z","spotify_id":"5ewCUgSVdIRenjqP59ObGn","type":"track"}

Ty si to zasloužíš
type: MusicRecording
duration: PT2M59S
duration ms: 179649
explicit: false
by artist: Sergei Barracuda
by artist: Dollar Prync
in album: Růst & Prosperita
  type: MusicAlbum
  date published: 2023-06-28
isrc code: QZMEM2361415
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T17:04:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3705a1b102c20d23f5d008cc7cbd32f913a049623ac1764f3f5948bdb448adc1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1OyOE1G6ETPnu71cPfNHLW.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1OyOE1G6ETPnu71cPfNHLW
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3705a1b102c20d23f5d008cc7cbd32f913a049623ac1764f3f5948bdb448adc1. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1OyOE1G6ETPnu71cPfNHLW.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1OyOE1G6ETPnu71cPfNHLW.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x3705a1b102c20d23f5d008cc7cbd32f913a049623ac1764f3f5948bdb448adc1","isrc":"QZMEM2361415","name":"Ty si to zasloužíš","registered_at":"2026-06-10T17:04:10Z","spotify_id":"1OyOE1G6ETPnu71cPfNHLW","type":"track"}

U hranice
type: MusicRecording
duration: PT4M0S
duration ms: 240000
explicit: false
by artist: Sergei Barracuda
by artist: Palermo
in album: Růst & Prosperita
  type: MusicAlbum
  date published: 2023-06-28
isrc code: QZMEM2361417
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T03:46:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4719e80907bba404f848a83771f2863be4846f5f9333367d80df566549873fb7
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/71WcVZlesr18sm8ZX1LnFk.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/71WcVZlesr18sm8ZX1LnFk
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4719e80907bba404f848a83771f2863be4846f5f9333367d80df566549873fb7","isrc":"QZMEM2361417","name":"U hranice","registered_at":"2026-06-10T03:46:22Z","spotify_id":"71WcVZlesr18sm8ZX1LnFk","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4719e80907bba404f848a83771f2863be4846f5f9333367d80df566549873fb7. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/71WcVZlesr18sm8ZX1LnFk.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/71WcVZlesr18sm8ZX1LnFk.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x4719e80907bba404f848a83771f2863be4846f5f9333367d80df566549873fb7","isrc":"QZMEM2361417","name":"U hranice","registered_at":"2026-06-10T03:46:22Z","spotify_id":"71WcVZlesr18sm8ZX1LnFk","type":"track"}

Bouře
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duration: PT3M16S
duration ms: 196363
explicit: false
by artist: Sergei Barracuda
in album: Růst & Prosperita
  type: MusicAlbum
  date published: 2023-06-28
isrc code: QZHN92375151
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T00:17:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x317aa90df567d607cd0dfdc0aa0b376f210990f484ba8aeb71ec4bdb32763463
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1AormYWhh54nMlYUQtUMuH.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1AormYWhh54nMlYUQtUMuH
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x317aa90df567d607cd0dfdc0aa0b376f210990f484ba8aeb71ec4bdb32763463","isrc":"QZHN92375151","name":"Bouře","registered_at":"2026-06-18T00:17:33Z","spotify_id":"1AormYWhh54nMlYUQtUMuH","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x317aa90df567d607cd0dfdc0aa0b376f210990f484ba8aeb71ec4bdb32763463. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1AormYWhh54nMlYUQtUMuH.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1AormYWhh54nMlYUQtUMuH.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x317aa90df567d607cd0dfdc0aa0b376f210990f484ba8aeb71ec4bdb32763463","isrc":"QZHN92375151","name":"Bouře","registered_at":"2026-06-18T00:17:33Z","spotify_id":"1AormYWhh54nMlYUQtUMuH","type":"track"}

Čistý Dope
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duration: PT2M58S
duration ms: 178983
explicit: false
by artist: Sergei Barracuda
by artist: Block 125
in album: Růst & Prosperita
  type: MusicAlbum
  date published: 2023-06-28
isrc code: QZMEM2361413
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T00:17:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSRecordURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3tNihrbyUQ548pvRHMWtik
additional property: OTSTimestamp
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additional property: OTSCanonicalRecord
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb202c80ef3cfad6806f129b0fd7bac5e7766d757443554d9d58a727cbc83a7b6. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3tNihrbyUQ548pvRHMWtik.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3tNihrbyUQ548pvRHMWtik.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0xb202c80ef3cfad6806f129b0fd7bac5e7766d757443554d9d58a727cbc83a7b6","isrc":"QZMEM2361413","name":"Čistý Dope","registered_at":"2026-06-18T00:17:47Z","spotify_id":"3tNihrbyUQ548pvRHMWtik","type":"track"}

Za všechno můžeme my
type: MusicRecording
duration: PT3M54S
duration ms: 234000
explicit: false
by artist: Sensey
by artist: Fobia Kid
by artist: Sergei Barracuda
in album: BRATAN
  type: MusicAlbum
  date published: 2019-11-15
isrc code: CZUM71900452
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T04:43:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x955e8983b39486ca973dad0df0bd4a998b8406139c083d17704c9cbd60f8e867
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0nshEPCxDj9o0QI8UZe7bc.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0nshEPCxDj9o0QI8UZe7bc
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
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  value: {"copyright_id":"0x955e8983b39486ca973dad0df0bd4a998b8406139c083d17704c9cbd60f8e867","isrc":"CZUM71900452","name":"Za všechno můžeme my","registered_at":"2026-06-18T04:43:01Z","spotify_id":"0nshEPCxDj9o0QI8UZe7bc","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x955e8983b39486ca973dad0df0bd4a998b8406139c083d17704c9cbd60f8e867. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0nshEPCxDj9o0QI8UZe7bc.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0nshEPCxDj9o0QI8UZe7bc.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x955e8983b39486ca973dad0df0bd4a998b8406139c083d17704c9cbd60f8e867","isrc":"CZUM71900452","name":"Za všechno můžeme my","registered_at":"2026-06-18T04:43:01Z","spotify_id":"0nshEPCxDj9o0QI8UZe7bc","type":"track"}

Himaláje II
type: MusicRecording
duration: PT3M0S
duration ms: 180923
explicit: false
by artist: Sergei Barracuda
by artist: sak10denz
in album: Růst & Prosperita
  type: MusicAlbum
  date published: 2023-06-28
isrc code: QZMEM2361418
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T14:50:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb1d6e13401b63bf34225ba2a541f26866b0fe82d281f80450b3c6d213a448297
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/66v8illjhLGPqyTmJCQtab.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/66v8illjhLGPqyTmJCQtab
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb1d6e13401b63bf34225ba2a541f26866b0fe82d281f80450b3c6d213a448297","isrc":"QZMEM2361418","name":"Himaláje II","registered_at":"2026-06-18T14:50:33Z","spotify_id":"66v8illjhLGPqyTmJCQtab","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1d6e13401b63bf34225ba2a541f26866b0fe82d281f80450b3c6d213a448297. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/66v8illjhLGPqyTmJCQtab.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/66v8illjhLGPqyTmJCQtab.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xb1d6e13401b63bf34225ba2a541f26866b0fe82d281f80450b3c6d213a448297","isrc":"QZMEM2361418","name":"Himaláje II","registered_at":"2026-06-18T14:50:33Z","spotify_id":"66v8illjhLGPqyTmJCQtab","type":"track"}