Grubson
type: MusicGroup
popularity: 52
followers: 159408
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSProofURL
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSCanonicalRecord
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 0x3b60f0299e12f0ddd94da9ab144991ec639810c8968005091403ca5e855205a6. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/95ca9585-10c7-4a4d-8012-bbf1c24cbedf.json and https://artists.proofprofile.net/proofs/artist/95ca9585-10c7-4a4d-8012-bbf1c24cbedf.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
album: Pan Ma Relax
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  date published: 2023-05-27
  track: Pan Ma Relax
    type: MusicRecording
    duration: PT3M3S
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    explicit: false
    by artist: Donguralesko
    by artist: Grubson
    by artist: The Returners
    in album: Pan Ma Relax
      type: MusicAlbum
      date published: 2023-05-27
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    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
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    additional property: CopyrightRegisteredAt
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    additional property: OTSBitcoinBlock
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      type: PropertyValue
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    additional property: OTSRecordURL
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    additional property: OTSVerificationAPI
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      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7sMj67OqzqjWx8RIjYvOy7
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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 0x8c82ca57bba4acef795ad97e933dda40304c3f2dcbef216bd9087e061a0002b6. 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/7sMj67OqzqjWx8RIjYvOy7.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/7sMj67OqzqjWx8RIjYvOy7.
      date published: 2026-07-02T03:30:09Z
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track: Pan Ma Relax
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  duration ms: 192479
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  by artist: Donguralesko
  by artist: Grubson
  by artist: The Returners
  in album: Ucieczka z kina Wolność
    type: MusicAlbum
    date published: 2023-05-26
  isrc code: PLH511200763
  additional property: CopyrightID
  additional property: CopyrightStatus
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0i8VSleKsDZJtpiJrvos9j
  additional property: OTSTimestamp
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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 0x8c82ca57bba4acef795ad97e933dda40304c3f2dcbef216bd9087e061a0002b6. 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/0i8VSleKsDZJtpiJrvos9j.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/0i8VSleKsDZJtpiJrvos9j.
    date published: 2026-06-13T12:47:07Z
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track: Zluzuj - single version
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  by artist: Donguralesko
  by artist: Grubson
  by artist: OER
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    type: MusicAlbum
    date published: 2026-01-30
track: Pan Ma Relax
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  duration ms: 183246
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  by artist: Grubson
  by artist: The Returners
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    type: MusicAlbum
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  additional property: OTSVerificationAPI
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    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7sMj67OqzqjWx8RIjYvOy7
  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 0x8c82ca57bba4acef795ad97e933dda40304c3f2dcbef216bd9087e061a0002b6. 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/7sMj67OqzqjWx8RIjYvOy7.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/7sMj67OqzqjWx8RIjYvOy7.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0x8c82ca57bba4acef795ad97e933dda40304c3f2dcbef216bd9087e061a0002b6","isrc":"PLH511200763","name":"Pan Ma Relax","registered_at":"2026-06-05T04:21:58Z","spotify_id":"7sMj67OqzqjWx8RIjYvOy7","type":"track"}
track: Ludzie
track: Goryl (prod. Matheo)
track: Brud boi (feat. Grubson, Metrowy)
track: 5 - Ty feat. Grubson & Pokahontaz
track: Before Party
track: Akordeon
track: Fanfa
track: Pytania i wybory
track: Inny Świat (Część 1)
track: Dzień Dobry (Wtórna Fala)
track: Rób Swoje
track: Nasza Generacja
track: Rosół J&S
track: Naprawimy To
track: P.P.P.P.
track: Inny Świat (Część 2)
track: Słowiańskie Korzenie

Ludzie
type: MusicRecording
duration: PT5M33S
duration ms: 333766
explicit: false
by artist: Te-Tris
by artist: Pogz
by artist: Grubson
in album: Teraz
  type: MusicAlbum
  date published: 2013-11-08
isrc code: PLF671301114

Goryl (prod. Matheo)
type: MusicRecording
duration: PT4M13S
duration ms: 253693
explicit: false
by artist: Donguralesko
by artist: Grubson
by artist: Miodu
by artist: Waldemar Kasta
in album: Totem Leśnych Ludzi
  type: MusicAlbum
  date published: 2010-01-01
isrc code: PLH511200261
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T18:26:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf1f32529aa805912490ad3399428eb44233cae2148c47cd9c1e08336f5c4e4bc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSRecordURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
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 0xf1f32529aa805912490ad3399428eb44233cae2148c47cd9c1e08336f5c4e4bc. 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/0EgIOLWmrP54i6A24dQ7M4.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/0EgIOLWmrP54i6A24dQ7M4.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xf1f32529aa805912490ad3399428eb44233cae2148c47cd9c1e08336f5c4e4bc","isrc":"PLH511200261","name":"Goryl (prod. Matheo)","registered_at":"2026-06-06T18:26:08Z","spotify_id":"0EgIOLWmrP54i6A24dQ7M4","type":"track"}

Brud boi (feat. Grubson, Metrowy)
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duration: PT4M9S
duration ms: 249546
explicit: false
by artist: Donguralesko
by artist: Matheo
by artist: Grubson
by artist: Metrowy
in album: Inwazja porywaczy ciał
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  date published: 1970-01-01
isrc code: PLF241906275
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T05:10:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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/044akyOfLW0OgSi4sKNA7c
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 0xb3f188a55c3cc167cbe05a7b44aad79ccd43ae331d7dab91f5d32922d595b511. 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/044akyOfLW0OgSi4sKNA7c.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/044akyOfLW0OgSi4sKNA7c.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xb3f188a55c3cc167cbe05a7b44aad79ccd43ae331d7dab91f5d32922d595b511","isrc":"PLF241906275","name":"Brud boi (feat. Grubson, Metrowy)","registered_at":"2026-06-22T05:10:06Z","spotify_id":"044akyOfLW0OgSi4sKNA7c","type":"track"}

5 - Ty feat. Grubson & Pokahontaz
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duration: PT3M42S
duration ms: 222946
explicit: false
by artist: White House
by artist: Grubson
by artist: Pokahontaz
in album: Kodex 5 Elements
  type: MusicAlbum
  date published: 2014-05-14
isrc code: PLK561400011
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T20:36:58+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdb3beff1148d75886754446e548237466fc320e1e4f2605b051e49023895ff97
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/0EUggDhhDPiCZQ4h8VN39I.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0EUggDhhDPiCZQ4h8VN39I
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xdb3beff1148d75886754446e548237466fc320e1e4f2605b051e49023895ff97","isrc":"PLK561400011","name":"5 - Ty feat. Grubson & Pokahontaz","registered_at":"2026-06-08T20:36:58Z","spotify_id":"0EUggDhhDPiCZQ4h8VN39I","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 0xdb3beff1148d75886754446e548237466fc320e1e4f2605b051e49023895ff97. 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/0EUggDhhDPiCZQ4h8VN39I.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/0EUggDhhDPiCZQ4h8VN39I.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xdb3beff1148d75886754446e548237466fc320e1e4f2605b051e49023895ff97","isrc":"PLK561400011","name":"5 - Ty feat. Grubson & Pokahontaz","registered_at":"2026-06-08T20:36:58Z","spotify_id":"0EUggDhhDPiCZQ4h8VN39I","type":"track"}

Before Party
type: MusicRecording
duration: PT5M27S
duration ms: 327491
explicit: false
by artist: Rafi
by artist: Koni
by artist: Grubson
in album: 200 Ton
  type: MusicAlbum
  date published: 2011-07-18
isrc code: PLH511200273

Akordeon
type: MusicRecording
duration: PT5M47S
duration ms: 347160
explicit: false
by artist: Kasta
by artist: Jarecki
by artist: Grubson
in album: Prawda Naga
  type: MusicAlbum
  date published: 2011-01-17
isrc code: TCACB1462274

Fanfa
type: MusicRecording
duration: PT4M13S
duration ms: 253000
explicit: false
by artist: Kasta
by artist: Deadly Hunta
by artist: Grubson
in album: Prawda Naga
  type: MusicAlbum
  date published: 2011-01-17
isrc code: TCACB1462604

Pytania i wybory
type: MusicRecording
duration: PT4M8S
duration ms: 248693
explicit: false
by artist: Narodowa Orkiestra Dęta
by artist: Grubson
by artist: Abradab
by artist: Jarecki
in album: Pytania i wybory
  type: MusicAlbum
  date published: 2022-08-23
isrc code: PL62S2200008
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T11:25:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7c0e415e6a2dcc5b6287c9064793ac3a64ef1f23f082363555680a64ceb10c46
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/2slwOnBYZGiltf3kol9apB.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2slwOnBYZGiltf3kol9apB
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7c0e415e6a2dcc5b6287c9064793ac3a64ef1f23f082363555680a64ceb10c46","isrc":"PL62S2200008","name":"Pytania i wybory","registered_at":"2026-06-23T11:25:04Z","spotify_id":"2slwOnBYZGiltf3kol9apB","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 0x7c0e415e6a2dcc5b6287c9064793ac3a64ef1f23f082363555680a64ceb10c46. 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/2slwOnBYZGiltf3kol9apB.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/2slwOnBYZGiltf3kol9apB.
  date published: 2026-07-08T03:53:27Z
  text: {"copyright_id":"0x7c0e415e6a2dcc5b6287c9064793ac3a64ef1f23f082363555680a64ceb10c46","isrc":"PL62S2200008","name":"Pytania i wybory","registered_at":"2026-06-23T11:25:04Z","spotify_id":"2slwOnBYZGiltf3kol9apB","type":"track"}

Inny Świat (Część 1)
type: MusicRecording
duration: PT1M58S
duration ms: 118073
explicit: false
by artist: Grubson
in album: Coś Więcej Niż Muzyka
  type: MusicAlbum
  date published: 2011-01-01
isrc code: PLH441200001
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T09:59:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe6afca385b937fc15a4c4a210a0d90bc778433ebf1f700f6d35bc98a664d5769
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/2NMiA1btNuZPNtSZyhWb22.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2NMiA1btNuZPNtSZyhWb22
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe6afca385b937fc15a4c4a210a0d90bc778433ebf1f700f6d35bc98a664d5769","isrc":"PLH441200001","name":"Inny Świat (Część 1)","registered_at":"2026-06-09T09:59:09Z","spotify_id":"2NMiA1btNuZPNtSZyhWb22","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 0xe6afca385b937fc15a4c4a210a0d90bc778433ebf1f700f6d35bc98a664d5769. 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/2NMiA1btNuZPNtSZyhWb22.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/2NMiA1btNuZPNtSZyhWb22.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xe6afca385b937fc15a4c4a210a0d90bc778433ebf1f700f6d35bc98a664d5769","isrc":"PLH441200001","name":"Inny Świat (Część 1)","registered_at":"2026-06-09T09:59:09Z","spotify_id":"2NMiA1btNuZPNtSZyhWb22","type":"track"}

Dzień Dobry (Wtórna Fala)
type: MusicRecording
duration: PT3M19S
duration ms: 199366
explicit: false
by artist: Grubson
in album: Coś Więcej Niż Muzyka
  type: MusicAlbum
  date published: 2011-01-01
isrc code: PLH441200002
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T05:42:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x31799d59f161cbff2d1be6029d7c27f7b060b43032ad097e6ad3033dcf792af9
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/7iOFmBwlnQdxJnHIPndnZl.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7iOFmBwlnQdxJnHIPndnZl
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x31799d59f161cbff2d1be6029d7c27f7b060b43032ad097e6ad3033dcf792af9","isrc":"PLH441200002","name":"Dzień Dobry (Wtórna Fala)","registered_at":"2026-06-06T05:42:16Z","spotify_id":"7iOFmBwlnQdxJnHIPndnZl","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 0x31799d59f161cbff2d1be6029d7c27f7b060b43032ad097e6ad3033dcf792af9. 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/7iOFmBwlnQdxJnHIPndnZl.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/7iOFmBwlnQdxJnHIPndnZl.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x31799d59f161cbff2d1be6029d7c27f7b060b43032ad097e6ad3033dcf792af9","isrc":"PLH441200002","name":"Dzień Dobry (Wtórna Fala)","registered_at":"2026-06-06T05:42:16Z","spotify_id":"7iOFmBwlnQdxJnHIPndnZl","type":"track"}

Rób Swoje
type: MusicRecording
duration: PT3M30S
duration ms: 210782
explicit: false
by artist: Grubson
in album: Coś Więcej Niż Muzyka
  type: MusicAlbum
  date published: 2011-01-01
isrc code: PLH441200003
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T18:41:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x60ab136cbbafbaed4dd03b2d35ded1c6fbbc0018cd6b175bda6a375b7f48b95e
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/5oFzBfvn1EHFq34E2C37tI.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5oFzBfvn1EHFq34E2C37tI
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x60ab136cbbafbaed4dd03b2d35ded1c6fbbc0018cd6b175bda6a375b7f48b95e","isrc":"PLH441200003","name":"Rób Swoje","registered_at":"2026-06-06T18:41:21Z","spotify_id":"5oFzBfvn1EHFq34E2C37tI","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 0x60ab136cbbafbaed4dd03b2d35ded1c6fbbc0018cd6b175bda6a375b7f48b95e. 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/5oFzBfvn1EHFq34E2C37tI.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/5oFzBfvn1EHFq34E2C37tI.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x60ab136cbbafbaed4dd03b2d35ded1c6fbbc0018cd6b175bda6a375b7f48b95e","isrc":"PLH441200003","name":"Rób Swoje","registered_at":"2026-06-06T18:41:21Z","spotify_id":"5oFzBfvn1EHFq34E2C37tI","type":"track"}

Nasza Generacja
type: MusicRecording
duration: PT4M45S
duration ms: 285100
explicit: false
by artist: Grubson
by artist: BRK
by artist: Młode Pokolenie
by artist: Cheeba
by artist: Grizzele
by artist: Jotoskleja
in album: Coś Więcej Niż Muzyka
  type: MusicAlbum
  date published: 2011-01-01
isrc code: PLH441200005
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T13:44:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd204c87047f57cc7f9a9923d6189a33c9f6b8cd9fda508d3b7ee48cb6bd8a21d
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/5ugx315ADGdUy5WPETyNBz.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5ugx315ADGdUy5WPETyNBz
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd204c87047f57cc7f9a9923d6189a33c9f6b8cd9fda508d3b7ee48cb6bd8a21d","isrc":"PLH441200005","name":"Nasza Generacja","registered_at":"2026-06-08T13:44:05Z","spotify_id":"5ugx315ADGdUy5WPETyNBz","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 0xd204c87047f57cc7f9a9923d6189a33c9f6b8cd9fda508d3b7ee48cb6bd8a21d. 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/5ugx315ADGdUy5WPETyNBz.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/5ugx315ADGdUy5WPETyNBz.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xd204c87047f57cc7f9a9923d6189a33c9f6b8cd9fda508d3b7ee48cb6bd8a21d","isrc":"PLH441200005","name":"Nasza Generacja","registered_at":"2026-06-08T13:44:05Z","spotify_id":"5ugx315ADGdUy5WPETyNBz","type":"track"}

Rosół J&S
type: MusicRecording
duration: PT3M49S
duration ms: 229929
explicit: false
by artist: Grubson
by artist: Grrracz
in album: Coś Więcej Niż Muzyka
  type: MusicAlbum
  date published: 2011-01-01
isrc code: PLH441200006
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T14:39:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0d4402a95860f85376473708de26dca1cf19660bb1192c301b1037ddd4d9a8a9
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/1gBSecMJmInUspUsuHdLEV.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1gBSecMJmInUspUsuHdLEV
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0d4402a95860f85376473708de26dca1cf19660bb1192c301b1037ddd4d9a8a9","isrc":"PLH441200006","name":"Rosół J&S","registered_at":"2026-06-10T14:39:03Z","spotify_id":"1gBSecMJmInUspUsuHdLEV","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 0x0d4402a95860f85376473708de26dca1cf19660bb1192c301b1037ddd4d9a8a9. 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/1gBSecMJmInUspUsuHdLEV.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/1gBSecMJmInUspUsuHdLEV.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x0d4402a95860f85376473708de26dca1cf19660bb1192c301b1037ddd4d9a8a9","isrc":"PLH441200006","name":"Rosół J&S","registered_at":"2026-06-10T14:39:03Z","spotify_id":"1gBSecMJmInUspUsuHdLEV","type":"track"}

Naprawimy To
type: MusicRecording
duration: PT5M11S
duration ms: 311405
explicit: false
by artist: Grubson
by artist: Emilia
by artist: To
by artist: Jarecki
in album: Coś Więcej Niż Muzyka
  type: MusicAlbum
  date published: 2011-01-01
isrc code: PLH441200007
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T09:37:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x74d508913e0453fcebc662af5b9cd2bf8dc740b8caddd3a4f1b0b0205dc8edc0
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/1iy29zkkDVEG8vtx88KBtB.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1iy29zkkDVEG8vtx88KBtB
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x74d508913e0453fcebc662af5b9cd2bf8dc740b8caddd3a4f1b0b0205dc8edc0","isrc":"PLH441200007","name":"Naprawimy To","registered_at":"2026-06-04T09:37:36Z","spotify_id":"1iy29zkkDVEG8vtx88KBtB","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 0x74d508913e0453fcebc662af5b9cd2bf8dc740b8caddd3a4f1b0b0205dc8edc0. 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/1iy29zkkDVEG8vtx88KBtB.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/1iy29zkkDVEG8vtx88KBtB.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x74d508913e0453fcebc662af5b9cd2bf8dc740b8caddd3a4f1b0b0205dc8edc0","isrc":"PLH441200007","name":"Naprawimy To","registered_at":"2026-06-04T09:37:36Z","spotify_id":"1iy29zkkDVEG8vtx88KBtB","type":"track"}

P.P.P.P.
type: MusicRecording
duration: PT5M31S
duration ms: 331075
explicit: false
by artist: Grubson
in album: Coś Więcej Niż Muzyka
  type: MusicAlbum
  date published: 2011-01-01
isrc code: PLH441200008
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T06:06:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x96510d86e110a5cf62251d07771d5c5cb0d9807e858b2298643b34654394453f
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/0empSJbhJncSLF0RgQucSI.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0empSJbhJncSLF0RgQucSI
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 0x96510d86e110a5cf62251d07771d5c5cb0d9807e858b2298643b34654394453f. 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/0empSJbhJncSLF0RgQucSI.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/0empSJbhJncSLF0RgQucSI.
  date published: 2026-06-13T15:41:10Z

Inny Świat (Część 2)
type: MusicRecording
duration: PT1M53S
duration ms: 113423
explicit: false
by artist: Grubson
in album: Coś Więcej Niż Muzyka
  type: MusicAlbum
  date published: 2011-01-01
isrc code: PLH441200009
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T19:41:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0169536224f8686245c6de4b1d5aecc44ed701a14553110504b1c6e0b85d6578
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/3MJrATne2oX9Zg1LqVnViE.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3MJrATne2oX9Zg1LqVnViE
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0169536224f8686245c6de4b1d5aecc44ed701a14553110504b1c6e0b85d6578","isrc":"PLH441200009","name":"Inny Świat (Część 2)","registered_at":"2026-06-18T19:41:09Z","spotify_id":"3MJrATne2oX9Zg1LqVnViE","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 0x0169536224f8686245c6de4b1d5aecc44ed701a14553110504b1c6e0b85d6578. 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/3MJrATne2oX9Zg1LqVnViE.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/3MJrATne2oX9Zg1LqVnViE.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x0169536224f8686245c6de4b1d5aecc44ed701a14553110504b1c6e0b85d6578","isrc":"PLH441200009","name":"Inny Świat (Część 2)","registered_at":"2026-06-18T19:41:09Z","spotify_id":"3MJrATne2oX9Zg1LqVnViE","type":"track"}

Słowiańskie Korzenie
type: MusicRecording
duration: PT3M47S
duration ms: 227369
explicit: false
by artist: Grubson
by artist: Donatan
by artist: Brzuch
by artist: Jarecki
in album: Coś Więcej Niż Muzyka
  type: MusicAlbum
  date published: 2011-01-01
isrc code: PLH441200010
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T18:40:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2db777cc9fb917241352c0497256f9b3c2eacefa7adf82b2c56a2cae91cae86d
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/3fK1RjFOyEQBybZz3kkUBl.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3fK1RjFOyEQBybZz3kkUBl
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2db777cc9fb917241352c0497256f9b3c2eacefa7adf82b2c56a2cae91cae86d","isrc":"PLH441200010","name":"Słowiańskie Korzenie","registered_at":"2026-06-06T18:40:55Z","spotify_id":"3fK1RjFOyEQBybZz3kkUBl","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 0x2db777cc9fb917241352c0497256f9b3c2eacefa7adf82b2c56a2cae91cae86d. 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/3fK1RjFOyEQBybZz3kkUBl.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/3fK1RjFOyEQBybZz3kkUBl.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x2db777cc9fb917241352c0497256f9b3c2eacefa7adf82b2c56a2cae91cae86d","isrc":"PLH441200010","name":"Słowiańskie Korzenie","registered_at":"2026-06-06T18:40:55Z","spotify_id":"3fK1RjFOyEQBybZz3kkUBl","type":"track"}