Kosa
type: MusicGroup
genre: witch house
popularity: 46
followers: 12565
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x84918443ea97e447dad0f7ecbab5bfcffe80a62003f7eb95f72afb8bd6f29004
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9d1eb847-28fd-4790-b088-d5f9582f8915.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9d1eb847-28fd-4790-b088-d5f9582f8915.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/9d1eb847-28fd-4790-b088-d5f9582f8915
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
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 0x84918443ea97e447dad0f7ecbab5bfcffe80a62003f7eb95f72afb8bd6f29004. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9d1eb847-28fd-4790-b088-d5f9582f8915.json and https://artists.proofprofile.net/proofs/artist/9d1eb847-28fd-4790-b088-d5f9582f8915.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
album: Bellini
  type: MusicAlbum
  date published: 2020-12-07
  track: Bellini
    type: MusicRecording
    duration: PT3M45S
    duration ms: 225762
    explicit: false
    by artist: Kosa
    by artist: SecretiveSuicide
    in album: Bellini
      type: MusicAlbum
      date published: 2020-12-07
    isrc code: CA5KR2117544
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-24T23:40:38+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x8db7bb1fe3c212f3964a142669b12aeb02d72c2ab10795eb3a005137e2ac53bf
    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/7aHeT4Op8R1irTnXu7BspQ.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7aHeT4Op8R1irTnXu7BspQ
    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 0x8db7bb1fe3c212f3964a142669b12aeb02d72c2ab10795eb3a005137e2ac53bf. 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/7aHeT4Op8R1irTnXu7BspQ.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/7aHeT4Op8R1irTnXu7BspQ.
      date published: 2026-07-02T03:55:08Z
album: BALANS
  type: MusicAlbum
  date published: 2023-05-12
  track: Pozwól mi być sobą
    type: MusicRecording
    duration: PT3M7S
    duration ms: 187086
    explicit: false
    by artist: Kosa
    by artist: Paluch
    by artist: SHDØW
    in album: BALANS
      type: MusicAlbum
      date published: 2023-05-12
    isrc code: PLV402301651
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-10T01:11:57+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xd696c6b8d627d3b2076b858b9e1d079c79c44ee5110723485dc8bff2fd3fd817
    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/2cR9mNkrBlgdjrd3gZmd1R.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2cR9mNkrBlgdjrd3gZmd1R
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-06-13T13:32:09Z
    additional property: OTSCanonicalRecord
      type: PropertyValue
      value: {"copyright_id":"0xd696c6b8d627d3b2076b858b9e1d079c79c44ee5110723485dc8bff2fd3fd817","isrc":"PLV402301651","name":"Pozwól mi być sobą","registered_at":"2026-06-10T01:11:57Z","spotify_id":"2cR9mNkrBlgdjrd3gZmd1R","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 0xd696c6b8d627d3b2076b858b9e1d079c79c44ee5110723485dc8bff2fd3fd817. 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/2cR9mNkrBlgdjrd3gZmd1R.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/2cR9mNkrBlgdjrd3gZmd1R.
      date published: 2026-06-13T13:32:09Z
      text: {"copyright_id":"0xd696c6b8d627d3b2076b858b9e1d079c79c44ee5110723485dc8bff2fd3fd817","isrc":"PLV402301651","name":"Pozwól mi być sobą","registered_at":"2026-06-10T01:11:57Z","spotify_id":"2cR9mNkrBlgdjrd3gZmd1R","type":"track"}
  track: Wentylacja
    type: MusicRecording
    duration: PT3M14S
    duration ms: 194117
    explicit: false
    by artist: Kosa
    by artist: Gedz
    in album: BALANS
      type: MusicAlbum
      date published: 2023-05-12
    isrc code: PLV402301637
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-08T05:01:45+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xfe3d9c8b95d476a0a874820aaf0cf9afa8570da57a318c371e491d3c0f7bc410
    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/4Ykwihy5fnD9e82DRlHORj.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4Ykwihy5fnD9e82DRlHORj
    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 0xfe3d9c8b95d476a0a874820aaf0cf9afa8570da57a318c371e491d3c0f7bc410. 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/4Ykwihy5fnD9e82DRlHORj.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/4Ykwihy5fnD9e82DRlHORj.
      date published: 2026-06-13T15:41:10Z
  track: Kino Polska
    type: MusicRecording
    duration: PT3M2S
    duration ms: 182400
    explicit: false
    by artist: Kosa
    in album: BALANS
      type: MusicAlbum
      date published: 2023-05-12
    isrc code: PLV402301638
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-20T10:11:15+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x51e8e57912f1bbdccfc8a506d3561962410dda576130ded05bbc748efabb611f
    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: HAHAHA
  track: NOTOCO
  track: Czuję
  track: Trucizna
  track: TO
  track: ZDECHŁY KOSA FREESTYLE
  track: SZCZĘŚCIE
  track: Zapalniczka
  track: Wybacz mi Polsko
  track: Siedzę Sam - Dla fanek dopaminy
  track: Najniższy Człowiek - Wstać - Skit
  track: Węglowodany
  track: Modlitwa Polaka - Marek Koterski Hołd
track: Wybacz mi Polsko
track: NONSENS
track: Czuję
track: SZCZĘŚCIE
track: Trucizna
track: Wentylacja
track: Pozwól mi być sobą
track: ZDECHŁY KOSA FREESTYLE
track: Kino Polska
track: NOTOCO
track: HAHAHA
track: Zapalniczka
track: Siedzę Sam - Dla fanek dopaminy
track: TO
track: Kolor
track: Bellini
track: Węglowodany
track: Energy
track: Najniższy Człowiek - Wstać - Skit
track: Modlitwa Polaka - Marek Koterski Hołd

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/6O0VbCyE13A6b4RWwaD2Sv.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6O0VbCyE13A6b4RWwaD2Sv

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

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x51e8e57912f1bbdccfc8a506d3561962410dda576130ded05bbc748efabb611f","isrc":"PLV402301638","name":"Kino Polska","registered_at":"2026-06-20T10:11:15Z","spotify_id":"6O0VbCyE13A6b4RWwaD2Sv","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 0x51e8e57912f1bbdccfc8a506d3561962410dda576130ded05bbc748efabb611f. 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/6O0VbCyE13A6b4RWwaD2Sv.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/6O0VbCyE13A6b4RWwaD2Sv.
date published: 2026-07-02T03:55:08Z
text: {"copyright_id":"0x51e8e57912f1bbdccfc8a506d3561962410dda576130ded05bbc748efabb611f","isrc":"PLV402301638","name":"Kino Polska","registered_at":"2026-06-20T10:11:15Z","spotify_id":"6O0VbCyE13A6b4RWwaD2Sv","type":"track"}

HAHAHA
type: MusicRecording
duration: PT3M16S
duration ms: 196666
explicit: false
by artist: Kosa
in album: BALANS
  type: MusicAlbum
  date published: 2023-05-12
isrc code: PLV402301551
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T19:26:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x623888c4ae1774e6f86093cd58486c996cf36105c1449e6d8d4c0e8f525397af
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/6VI2oXMJoDz8FywhcqacNr.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6VI2oXMJoDz8FywhcqacNr
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 0x623888c4ae1774e6f86093cd58486c996cf36105c1449e6d8d4c0e8f525397af. 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/6VI2oXMJoDz8FywhcqacNr.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/6VI2oXMJoDz8FywhcqacNr.
  date published: 2026-07-02T03:30:09Z

NOTOCO
type: MusicRecording
duration: PT3M35S
duration ms: 215593
explicit: false
by artist: Kosa
by artist: Lanek
by artist: Sokos
in album: BALANS
  type: MusicAlbum
  date published: 2023-05-12
isrc code: PLV402301650
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T19:26:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3afe04a5241f95bfc0e3020a223fbba49eff2a0630b316de2b0cbf9025c8a557
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/69Xei61Wht8xFO0XynsyMm.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/69Xei61Wht8xFO0XynsyMm
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 0x3afe04a5241f95bfc0e3020a223fbba49eff2a0630b316de2b0cbf9025c8a557. 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/69Xei61Wht8xFO0XynsyMm.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/69Xei61Wht8xFO0XynsyMm.
  date published: 2026-07-02T03:30:09Z

Czuję
type: MusicRecording
duration: PT2M59S
duration ms: 179277
explicit: false
by artist: Kosa
by artist: SecretiveSuicide
by artist: BEJBI
in album: BALANS
  type: MusicAlbum
  date published: 2023-05-12
isrc code: PLV402301636
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T02:24:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9673a691974e0fe95f76e2557a0b1cf1aef44cfb37bca9a9d5cf95cfb2c81774
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/4Ab5f5xadihYVLaIA7iFmW.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4Ab5f5xadihYVLaIA7iFmW
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9673a691974e0fe95f76e2557a0b1cf1aef44cfb37bca9a9d5cf95cfb2c81774","isrc":"PLV402301636","name":"Czuję","registered_at":"2026-06-07T02:24:22Z","spotify_id":"4Ab5f5xadihYVLaIA7iFmW","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 0x9673a691974e0fe95f76e2557a0b1cf1aef44cfb37bca9a9d5cf95cfb2c81774. 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/4Ab5f5xadihYVLaIA7iFmW.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/4Ab5f5xadihYVLaIA7iFmW.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x9673a691974e0fe95f76e2557a0b1cf1aef44cfb37bca9a9d5cf95cfb2c81774","isrc":"PLV402301636","name":"Czuję","registered_at":"2026-06-07T02:24:22Z","spotify_id":"4Ab5f5xadihYVLaIA7iFmW","type":"track"}

Trucizna
type: MusicRecording
duration: PT3M9S
duration ms: 189600
explicit: false
by artist: Kosa
by artist: Malikowska
in album: BALANS
  type: MusicAlbum
  date published: 2023-05-12
isrc code: FR96X2396809
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T08:38:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc08de7926996bf208c7e563460942af31103a635c1a8b0093aa0e030c73aa9e0
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/4TLDPZqC3PvqZEMlLUrlj3.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4TLDPZqC3PvqZEMlLUrlj3
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 0xc08de7926996bf208c7e563460942af31103a635c1a8b0093aa0e030c73aa9e0. 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/4TLDPZqC3PvqZEMlLUrlj3.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/4TLDPZqC3PvqZEMlLUrlj3.
  date published: 2026-06-13T15:41:10Z

TO
type: MusicRecording
duration: PT5M0S
duration ms: 300923
explicit: false
by artist: Kosa
in album: BALANS
  type: MusicAlbum
  date published: 2023-05-12
isrc code: PLV402301639
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T06:55:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb9dc8b1c3843cdecfb154dd4cf4ae8700a4ccc2728bee992236678c49b846092
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/4eFvSzp6JmVVEPyzZynPQ9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4eFvSzp6JmVVEPyzZynPQ9
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 0xb9dc8b1c3843cdecfb154dd4cf4ae8700a4ccc2728bee992236678c49b846092. 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/4eFvSzp6JmVVEPyzZynPQ9.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/4eFvSzp6JmVVEPyzZynPQ9.
  date published: 2026-07-02T05:09:12Z

ZDECHŁY KOSA FREESTYLE
type: MusicRecording
duration: PT3M8S
duration ms: 188903
explicit: false
by artist: Kosa
by artist: Zdechły Osa
in album: BALANS
  type: MusicAlbum
  date published: 2023-05-12
isrc code: PLV402301640
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-17T05:01:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1f7334a686c0564c82b9e9132d50b41664f01687a9739cdb0169baffa9464f6b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954130
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/954130
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/52arpANqA5iW4b4lV22QfU.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/52arpANqA5iW4b4lV22QfU
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T20:35:01Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1f7334a686c0564c82b9e9132d50b41664f01687a9739cdb0169baffa9464f6b","isrc":"PLV402301640","name":"ZDECHŁY KOSA FREESTYLE","registered_at":"2026-06-17T05:01:59Z","spotify_id":"52arpANqA5iW4b4lV22QfU","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 0x1f7334a686c0564c82b9e9132d50b41664f01687a9739cdb0169baffa9464f6b. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T20:35:01Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/52arpANqA5iW4b4lV22QfU.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/52arpANqA5iW4b4lV22QfU.
  date published: 2026-06-17T20:35:01Z
  text: {"copyright_id":"0x1f7334a686c0564c82b9e9132d50b41664f01687a9739cdb0169baffa9464f6b","isrc":"PLV402301640","name":"ZDECHŁY KOSA FREESTYLE","registered_at":"2026-06-17T05:01:59Z","spotify_id":"52arpANqA5iW4b4lV22QfU","type":"track"}

SZCZĘŚCIE
type: MusicRecording
duration: PT3M34S
duration ms: 214153
explicit: false
by artist: Kosa
by artist: Linda
in album: BALANS
  type: MusicAlbum
  date published: 2023-05-12
isrc code: PLV402201678
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T18:36:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7be2f54034cc3d294a2eecc27c9f35df300aa8cf6f36613985572618dc50ce36
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/4m4lW36OyRBgF37zIeAdSB.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4m4lW36OyRBgF37zIeAdSB
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7be2f54034cc3d294a2eecc27c9f35df300aa8cf6f36613985572618dc50ce36","isrc":"PLV402201678","name":"SZCZĘŚCIE","registered_at":"2026-06-06T18:36:22Z","spotify_id":"4m4lW36OyRBgF37zIeAdSB","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 0x7be2f54034cc3d294a2eecc27c9f35df300aa8cf6f36613985572618dc50ce36. 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/4m4lW36OyRBgF37zIeAdSB.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/4m4lW36OyRBgF37zIeAdSB.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x7be2f54034cc3d294a2eecc27c9f35df300aa8cf6f36613985572618dc50ce36","isrc":"PLV402201678","name":"SZCZĘŚCIE","registered_at":"2026-06-06T18:36:22Z","spotify_id":"4m4lW36OyRBgF37zIeAdSB","type":"track"}

Zapalniczka
type: MusicRecording
duration: PT3M5S
duration ms: 185098
explicit: false
by artist: Kosa
by artist: Linda
in album: BALANS
  type: MusicAlbum
  date published: 2023-05-12
isrc code: PLV402301642
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T15:49:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x605e3500f6b52de8adf1d1d543004bf70df693ffe262c0927a80026055592d10
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/476GjsofRrl09uOSRfsZih.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/476GjsofRrl09uOSRfsZih
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 0x605e3500f6b52de8adf1d1d543004bf70df693ffe262c0927a80026055592d10. 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/476GjsofRrl09uOSRfsZih.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/476GjsofRrl09uOSRfsZih.
  date published: 2026-06-13T17:25:41Z

Wybacz mi Polsko
type: MusicRecording
duration: PT2M21S
duration ms: 141176
explicit: false
by artist: Kosa
in album: BALANS
  type: MusicAlbum
  date published: 2023-05-12
isrc code: PLV402301643
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T22:22:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9e318293f9b33b2f5783498a1a842aa6797a31b6bc49480c4b9a32839cd4b3e1
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/5KvzicJ5LUgMJQ5Ycwt8d9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5KvzicJ5LUgMJQ5Ycwt8d9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9e318293f9b33b2f5783498a1a842aa6797a31b6bc49480c4b9a32839cd4b3e1","isrc":"PLV402301643","name":"Wybacz mi Polsko","registered_at":"2026-06-08T22:22:38Z","spotify_id":"5KvzicJ5LUgMJQ5Ycwt8d9","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 0x9e318293f9b33b2f5783498a1a842aa6797a31b6bc49480c4b9a32839cd4b3e1. 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/5KvzicJ5LUgMJQ5Ycwt8d9.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/5KvzicJ5LUgMJQ5Ycwt8d9.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x9e318293f9b33b2f5783498a1a842aa6797a31b6bc49480c4b9a32839cd4b3e1","isrc":"PLV402301643","name":"Wybacz mi Polsko","registered_at":"2026-06-08T22:22:38Z","spotify_id":"5KvzicJ5LUgMJQ5Ycwt8d9","type":"track"}

Siedzę Sam - Dla fanek dopaminy
type: MusicRecording
duration: PT2M57S
duration ms: 177230
explicit: false
by artist: Kosa
in album: BALANS
  type: MusicAlbum
  date published: 2023-05-12
isrc code: PLV402301644
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T12:06:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1a442bb21a537694e9db4259cc174fa813a2e8b53d6461bc9a34780db817e07f
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/04uDWuc5sahTebKLOmP1SD.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/04uDWuc5sahTebKLOmP1SD
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1a442bb21a537694e9db4259cc174fa813a2e8b53d6461bc9a34780db817e07f","isrc":"PLV402301644","name":"Siedzę Sam - Dla fanek dopaminy","registered_at":"2026-06-23T12:06:57Z","spotify_id":"04uDWuc5sahTebKLOmP1SD","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 0x1a442bb21a537694e9db4259cc174fa813a2e8b53d6461bc9a34780db817e07f. 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/04uDWuc5sahTebKLOmP1SD.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/04uDWuc5sahTebKLOmP1SD.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x1a442bb21a537694e9db4259cc174fa813a2e8b53d6461bc9a34780db817e07f","isrc":"PLV402301644","name":"Siedzę Sam - Dla fanek dopaminy","registered_at":"2026-06-23T12:06:57Z","spotify_id":"04uDWuc5sahTebKLOmP1SD","type":"track"}

Najniższy Człowiek - Wstać - Skit
type: MusicRecording
duration: PT1M31S
duration ms: 91497
explicit: false
by artist: Kosa
in album: BALANS
  type: MusicAlbum
  date published: 2023-05-12
isrc code: PLV402301645

Węglowodany
type: MusicRecording
duration: PT2M43S
duration ms: 163862
explicit: false
by artist: Kosa
in album: BALANS
  type: MusicAlbum
  date published: 2023-05-12
isrc code: PLV402301646
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T12:07:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x73fe8eeebdd4d6e36a7fb20d5e9c6cd5b4823d84098ab32b93d858342d3eb981
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/4PAXlW8ykcpcJyIuYX9IPG.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4PAXlW8ykcpcJyIuYX9IPG
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x73fe8eeebdd4d6e36a7fb20d5e9c6cd5b4823d84098ab32b93d858342d3eb981","isrc":"PLV402301646","name":"Węglowodany","registered_at":"2026-06-23T12:07:46Z","spotify_id":"4PAXlW8ykcpcJyIuYX9IPG","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 0x73fe8eeebdd4d6e36a7fb20d5e9c6cd5b4823d84098ab32b93d858342d3eb981. 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/4PAXlW8ykcpcJyIuYX9IPG.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/4PAXlW8ykcpcJyIuYX9IPG.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x73fe8eeebdd4d6e36a7fb20d5e9c6cd5b4823d84098ab32b93d858342d3eb981","isrc":"PLV402301646","name":"Węglowodany","registered_at":"2026-06-23T12:07:46Z","spotify_id":"4PAXlW8ykcpcJyIuYX9IPG","type":"track"}

Modlitwa Polaka - Marek Koterski Hołd
type: MusicRecording
duration: PT1M33S
duration ms: 93658
explicit: false
by artist: Kosa
by artist: Misiek Koterski
in album: BALANS
  type: MusicAlbum
  date published: 2023-05-12
isrc code: PLV402301647

Wybacz mi Polsko
type: MusicRecording
duration: PT2M21S
duration ms: 141176
explicit: false
by artist: Kosa
in album: BALANS
  type: MusicAlbum
  date published: 2023-05-12
isrc code: PLV402301643
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T22:22:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9e318293f9b33b2f5783498a1a842aa6797a31b6bc49480c4b9a32839cd4b3e1
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/5KvzicJ5LUgMJQ5Ycwt8d9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5KvzicJ5LUgMJQ5Ycwt8d9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9e318293f9b33b2f5783498a1a842aa6797a31b6bc49480c4b9a32839cd4b3e1","isrc":"PLV402301643","name":"Wybacz mi Polsko","registered_at":"2026-06-08T22:22:38Z","spotify_id":"5KvzicJ5LUgMJQ5Ycwt8d9","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 0x9e318293f9b33b2f5783498a1a842aa6797a31b6bc49480c4b9a32839cd4b3e1. 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/5KvzicJ5LUgMJQ5Ycwt8d9.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/5KvzicJ5LUgMJQ5Ycwt8d9.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x9e318293f9b33b2f5783498a1a842aa6797a31b6bc49480c4b9a32839cd4b3e1","isrc":"PLV402301643","name":"Wybacz mi Polsko","registered_at":"2026-06-08T22:22:38Z","spotify_id":"5KvzicJ5LUgMJQ5Ycwt8d9","type":"track"}

NONSENS
type: MusicRecording
duration: PT3M4S
duration ms: 184489
explicit: false
by artist: Gedz
by artist: Kosa
by artist: Sher7ock
by artist: 808Bros
in album: ANATEMA
  type: MusicAlbum
  date published: 2024-01-25
isrc code: PL2DY2302190
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T14:22:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x10fdd16bbb04a10c69810dcab8b7eb053ad20e653d4ff36ac2ad45e02bb1c973
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/33K46DEa3n46MVOuIrecg7.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/33K46DEa3n46MVOuIrecg7
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
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 0x10fdd16bbb04a10c69810dcab8b7eb053ad20e653d4ff36ac2ad45e02bb1c973. 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/33K46DEa3n46MVOuIrecg7.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/33K46DEa3n46MVOuIrecg7.
  date published: 2026-06-13T12:53:06Z

Czuję
type: MusicRecording
duration: PT2M59S
duration ms: 179277
explicit: false
by artist: Kosa
by artist: SecretiveSuicide
by artist: BEJBI
in album: BALANS
  type: MusicAlbum
  date published: 2023-05-12
isrc code: PLV402301636
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T02:24:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9673a691974e0fe95f76e2557a0b1cf1aef44cfb37bca9a9d5cf95cfb2c81774
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/4Ab5f5xadihYVLaIA7iFmW.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4Ab5f5xadihYVLaIA7iFmW
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9673a691974e0fe95f76e2557a0b1cf1aef44cfb37bca9a9d5cf95cfb2c81774","isrc":"PLV402301636","name":"Czuję","registered_at":"2026-06-07T02:24:22Z","spotify_id":"4Ab5f5xadihYVLaIA7iFmW","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 0x9673a691974e0fe95f76e2557a0b1cf1aef44cfb37bca9a9d5cf95cfb2c81774. 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/4Ab5f5xadihYVLaIA7iFmW.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/4Ab5f5xadihYVLaIA7iFmW.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x9673a691974e0fe95f76e2557a0b1cf1aef44cfb37bca9a9d5cf95cfb2c81774","isrc":"PLV402301636","name":"Czuję","registered_at":"2026-06-07T02:24:22Z","spotify_id":"4Ab5f5xadihYVLaIA7iFmW","type":"track"}

SZCZĘŚCIE
type: MusicRecording
duration: PT3M34S
duration ms: 214153
explicit: false
by artist: Kosa
by artist: Linda
in album: BALANS
  type: MusicAlbum
  date published: 2023-05-12
isrc code: PLV402201678
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T18:36:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7be2f54034cc3d294a2eecc27c9f35df300aa8cf6f36613985572618dc50ce36
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/4m4lW36OyRBgF37zIeAdSB.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4m4lW36OyRBgF37zIeAdSB
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7be2f54034cc3d294a2eecc27c9f35df300aa8cf6f36613985572618dc50ce36","isrc":"PLV402201678","name":"SZCZĘŚCIE","registered_at":"2026-06-06T18:36:22Z","spotify_id":"4m4lW36OyRBgF37zIeAdSB","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 0x7be2f54034cc3d294a2eecc27c9f35df300aa8cf6f36613985572618dc50ce36. 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/4m4lW36OyRBgF37zIeAdSB.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/4m4lW36OyRBgF37zIeAdSB.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x7be2f54034cc3d294a2eecc27c9f35df300aa8cf6f36613985572618dc50ce36","isrc":"PLV402201678","name":"SZCZĘŚCIE","registered_at":"2026-06-06T18:36:22Z","spotify_id":"4m4lW36OyRBgF37zIeAdSB","type":"track"}

Trucizna
type: MusicRecording
duration: PT3M9S
duration ms: 189600
explicit: false
by artist: Kosa
by artist: Malikowska
in album: BALANS
  type: MusicAlbum
  date published: 2023-05-12
isrc code: FR96X2396809
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T08:38:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc08de7926996bf208c7e563460942af31103a635c1a8b0093aa0e030c73aa9e0
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/4TLDPZqC3PvqZEMlLUrlj3.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4TLDPZqC3PvqZEMlLUrlj3
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 0xc08de7926996bf208c7e563460942af31103a635c1a8b0093aa0e030c73aa9e0. 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/4TLDPZqC3PvqZEMlLUrlj3.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/4TLDPZqC3PvqZEMlLUrlj3.
  date published: 2026-06-13T15:41:10Z

Wentylacja
type: MusicRecording
duration: PT3M14S
duration ms: 194117
explicit: false
by artist: Kosa
by artist: Gedz
in album: BALANS
  type: MusicAlbum
  date published: 2023-05-12
isrc code: PLV402301637
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T05:01:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfe3d9c8b95d476a0a874820aaf0cf9afa8570da57a318c371e491d3c0f7bc410
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/4Ykwihy5fnD9e82DRlHORj.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4Ykwihy5fnD9e82DRlHORj
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 0xfe3d9c8b95d476a0a874820aaf0cf9afa8570da57a318c371e491d3c0f7bc410. 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/4Ykwihy5fnD9e82DRlHORj.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/4Ykwihy5fnD9e82DRlHORj.
  date published: 2026-06-13T15:41:10Z

Pozwól mi być sobą
type: MusicRecording
duration: PT3M7S
duration ms: 187086
explicit: false
by artist: Kosa
by artist: Paluch
by artist: SHDØW
in album: BALANS
  type: MusicAlbum
  date published: 2023-05-12
isrc code: PLV402301651
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T01:11:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd696c6b8d627d3b2076b858b9e1d079c79c44ee5110723485dc8bff2fd3fd817
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/2cR9mNkrBlgdjrd3gZmd1R.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2cR9mNkrBlgdjrd3gZmd1R
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd696c6b8d627d3b2076b858b9e1d079c79c44ee5110723485dc8bff2fd3fd817","isrc":"PLV402301651","name":"Pozwól mi być sobą","registered_at":"2026-06-10T01:11:57Z","spotify_id":"2cR9mNkrBlgdjrd3gZmd1R","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 0xd696c6b8d627d3b2076b858b9e1d079c79c44ee5110723485dc8bff2fd3fd817. 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/2cR9mNkrBlgdjrd3gZmd1R.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/2cR9mNkrBlgdjrd3gZmd1R.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0xd696c6b8d627d3b2076b858b9e1d079c79c44ee5110723485dc8bff2fd3fd817","isrc":"PLV402301651","name":"Pozwól mi być sobą","registered_at":"2026-06-10T01:11:57Z","spotify_id":"2cR9mNkrBlgdjrd3gZmd1R","type":"track"}

ZDECHŁY KOSA FREESTYLE
type: MusicRecording
duration: PT3M8S
duration ms: 188903
explicit: false
by artist: Kosa
by artist: Zdechły Osa
in album: BALANS
  type: MusicAlbum
  date published: 2023-05-12
isrc code: PLV402301640
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-17T05:01:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1f7334a686c0564c82b9e9132d50b41664f01687a9739cdb0169baffa9464f6b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954130
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/954130
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/52arpANqA5iW4b4lV22QfU.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/52arpANqA5iW4b4lV22QfU
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T20:35:01Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1f7334a686c0564c82b9e9132d50b41664f01687a9739cdb0169baffa9464f6b","isrc":"PLV402301640","name":"ZDECHŁY KOSA FREESTYLE","registered_at":"2026-06-17T05:01:59Z","spotify_id":"52arpANqA5iW4b4lV22QfU","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 0x1f7334a686c0564c82b9e9132d50b41664f01687a9739cdb0169baffa9464f6b. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T20:35:01Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/52arpANqA5iW4b4lV22QfU.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/52arpANqA5iW4b4lV22QfU.
  date published: 2026-06-17T20:35:01Z
  text: {"copyright_id":"0x1f7334a686c0564c82b9e9132d50b41664f01687a9739cdb0169baffa9464f6b","isrc":"PLV402301640","name":"ZDECHŁY KOSA FREESTYLE","registered_at":"2026-06-17T05:01:59Z","spotify_id":"52arpANqA5iW4b4lV22QfU","type":"track"}

Kino Polska
type: MusicRecording
duration: PT3M2S
duration ms: 182400
explicit: false
by artist: Kosa
in album: BALANS
  type: MusicAlbum
  date published: 2023-05-12
isrc code: PLV402301638
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T10:11:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x51e8e57912f1bbdccfc8a506d3561962410dda576130ded05bbc748efabb611f
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/6O0VbCyE13A6b4RWwaD2Sv.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6O0VbCyE13A6b4RWwaD2Sv
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x51e8e57912f1bbdccfc8a506d3561962410dda576130ded05bbc748efabb611f","isrc":"PLV402301638","name":"Kino Polska","registered_at":"2026-06-20T10:11:15Z","spotify_id":"6O0VbCyE13A6b4RWwaD2Sv","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 0x51e8e57912f1bbdccfc8a506d3561962410dda576130ded05bbc748efabb611f. 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/6O0VbCyE13A6b4RWwaD2Sv.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/6O0VbCyE13A6b4RWwaD2Sv.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x51e8e57912f1bbdccfc8a506d3561962410dda576130ded05bbc748efabb611f","isrc":"PLV402301638","name":"Kino Polska","registered_at":"2026-06-20T10:11:15Z","spotify_id":"6O0VbCyE13A6b4RWwaD2Sv","type":"track"}

NOTOCO
type: MusicRecording
duration: PT3M35S
duration ms: 215593
explicit: false
by artist: Kosa
by artist: Lanek
by artist: Sokos
in album: BALANS
  type: MusicAlbum
  date published: 2023-05-12
isrc code: PLV402301650
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T19:26:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3afe04a5241f95bfc0e3020a223fbba49eff2a0630b316de2b0cbf9025c8a557
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/69Xei61Wht8xFO0XynsyMm.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/69Xei61Wht8xFO0XynsyMm
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 0x3afe04a5241f95bfc0e3020a223fbba49eff2a0630b316de2b0cbf9025c8a557. 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/69Xei61Wht8xFO0XynsyMm.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/69Xei61Wht8xFO0XynsyMm.
  date published: 2026-07-02T03:30:09Z

HAHAHA
type: MusicRecording
duration: PT3M16S
duration ms: 196666
explicit: false
by artist: Kosa
in album: BALANS
  type: MusicAlbum
  date published: 2023-05-12
isrc code: PLV402301551
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T19:26:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x623888c4ae1774e6f86093cd58486c996cf36105c1449e6d8d4c0e8f525397af
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/6VI2oXMJoDz8FywhcqacNr.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6VI2oXMJoDz8FywhcqacNr
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 0x623888c4ae1774e6f86093cd58486c996cf36105c1449e6d8d4c0e8f525397af. 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/6VI2oXMJoDz8FywhcqacNr.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/6VI2oXMJoDz8FywhcqacNr.
  date published: 2026-07-02T03:30:09Z

Zapalniczka
type: MusicRecording
duration: PT3M5S
duration ms: 185098
explicit: false
by artist: Kosa
by artist: Linda
in album: BALANS
  type: MusicAlbum
  date published: 2023-05-12
isrc code: PLV402301642
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T15:49:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x605e3500f6b52de8adf1d1d543004bf70df693ffe262c0927a80026055592d10
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/476GjsofRrl09uOSRfsZih.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/476GjsofRrl09uOSRfsZih
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 0x605e3500f6b52de8adf1d1d543004bf70df693ffe262c0927a80026055592d10. 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/476GjsofRrl09uOSRfsZih.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/476GjsofRrl09uOSRfsZih.
  date published: 2026-06-13T17:25:41Z

Siedzę Sam - Dla fanek dopaminy
type: MusicRecording
duration: PT2M57S
duration ms: 177230
explicit: false
by artist: Kosa
in album: BALANS
  type: MusicAlbum
  date published: 2023-05-12
isrc code: PLV402301644
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T12:06:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1a442bb21a537694e9db4259cc174fa813a2e8b53d6461bc9a34780db817e07f
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/04uDWuc5sahTebKLOmP1SD.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/04uDWuc5sahTebKLOmP1SD
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1a442bb21a537694e9db4259cc174fa813a2e8b53d6461bc9a34780db817e07f","isrc":"PLV402301644","name":"Siedzę Sam - Dla fanek dopaminy","registered_at":"2026-06-23T12:06:57Z","spotify_id":"04uDWuc5sahTebKLOmP1SD","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 0x1a442bb21a537694e9db4259cc174fa813a2e8b53d6461bc9a34780db817e07f. 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/04uDWuc5sahTebKLOmP1SD.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/04uDWuc5sahTebKLOmP1SD.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x1a442bb21a537694e9db4259cc174fa813a2e8b53d6461bc9a34780db817e07f","isrc":"PLV402301644","name":"Siedzę Sam - Dla fanek dopaminy","registered_at":"2026-06-23T12:06:57Z","spotify_id":"04uDWuc5sahTebKLOmP1SD","type":"track"}

TO
type: MusicRecording
duration: PT5M0S
duration ms: 300923
explicit: false
by artist: Kosa
in album: BALANS
  type: MusicAlbum
  date published: 2023-05-12
isrc code: PLV402301639
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T06:55:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb9dc8b1c3843cdecfb154dd4cf4ae8700a4ccc2728bee992236678c49b846092
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/4eFvSzp6JmVVEPyzZynPQ9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4eFvSzp6JmVVEPyzZynPQ9
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 0xb9dc8b1c3843cdecfb154dd4cf4ae8700a4ccc2728bee992236678c49b846092. 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/4eFvSzp6JmVVEPyzZynPQ9.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/4eFvSzp6JmVVEPyzZynPQ9.
  date published: 2026-07-02T05:09:12Z

Kolor
type: MusicRecording
duration: PT4M20S
duration ms: 260002
explicit: false
by artist: Kosa
in album: W#6
  type: MusicAlbum
  date published: 2021-03-12
isrc code: PLX632100004
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T09:57:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x349d2c20c4d75266c6d97a9754948d55ad08a138d92c1bb69b628ea6e51b0a56
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/6xzUYF5lZxuGuNvX3IZ6kh.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6xzUYF5lZxuGuNvX3IZ6kh
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 0x349d2c20c4d75266c6d97a9754948d55ad08a138d92c1bb69b628ea6e51b0a56. 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/6xzUYF5lZxuGuNvX3IZ6kh.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/6xzUYF5lZxuGuNvX3IZ6kh.
  date published: 2026-07-02T05:09:12Z

Bellini
type: MusicRecording
duration: PT3M45S
duration ms: 225762
explicit: false
by artist: Kosa
by artist: SecretiveSuicide
in album: Bellini
  type: MusicAlbum
  date published: 2020-12-07
isrc code: CA5KR2117544
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T23:40:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8db7bb1fe3c212f3964a142669b12aeb02d72c2ab10795eb3a005137e2ac53bf
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/7aHeT4Op8R1irTnXu7BspQ.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7aHeT4Op8R1irTnXu7BspQ
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 0x8db7bb1fe3c212f3964a142669b12aeb02d72c2ab10795eb3a005137e2ac53bf. 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/7aHeT4Op8R1irTnXu7BspQ.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/7aHeT4Op8R1irTnXu7BspQ.
  date published: 2026-07-02T03:55:08Z

Węglowodany
type: MusicRecording
duration: PT2M43S
duration ms: 163862
explicit: false
by artist: Kosa
in album: BALANS
  type: MusicAlbum
  date published: 2023-05-12
isrc code: PLV402301646
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T12:07:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x73fe8eeebdd4d6e36a7fb20d5e9c6cd5b4823d84098ab32b93d858342d3eb981
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/4PAXlW8ykcpcJyIuYX9IPG.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4PAXlW8ykcpcJyIuYX9IPG
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x73fe8eeebdd4d6e36a7fb20d5e9c6cd5b4823d84098ab32b93d858342d3eb981","isrc":"PLV402301646","name":"Węglowodany","registered_at":"2026-06-23T12:07:46Z","spotify_id":"4PAXlW8ykcpcJyIuYX9IPG","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 0x73fe8eeebdd4d6e36a7fb20d5e9c6cd5b4823d84098ab32b93d858342d3eb981. 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/4PAXlW8ykcpcJyIuYX9IPG.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/4PAXlW8ykcpcJyIuYX9IPG.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x73fe8eeebdd4d6e36a7fb20d5e9c6cd5b4823d84098ab32b93d858342d3eb981","isrc":"PLV402301646","name":"Węglowodany","registered_at":"2026-06-23T12:07:46Z","spotify_id":"4PAXlW8ykcpcJyIuYX9IPG","type":"track"}

Energy
type: MusicRecording
duration: PT2M45S
duration ms: 165039
explicit: false
by artist: Czeluść
by artist: Jutrø
by artist: Kosa
in album: W#6
  type: MusicAlbum
  date published: 2021-03-12
isrc code: PLX632100015

Najniższy Człowiek - Wstać - Skit
type: MusicRecording
duration: PT1M31S
duration ms: 91497
explicit: false
by artist: Kosa
in album: BALANS
  type: MusicAlbum
  date published: 2023-05-12
isrc code: PLV402301645

Modlitwa Polaka - Marek Koterski Hołd
type: MusicRecording
duration: PT1M33S
duration ms: 93658
explicit: false
by artist: Kosa
by artist: Misiek Koterski
in album: BALANS
  type: MusicAlbum
  date published: 2023-05-12
isrc code: PLV402301647