Killaz Group
type: MusicGroup
popularity: 30
followers: 7022
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4443470d94ac14bb2488765e01f602b4f47762706447033101c51fca458c72a4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953423
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953423
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7e5c424d-7564-4cdc-b0a0-397616a3a586.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7e5c424d-7564-4cdc-b0a0-397616a3a586.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/7e5c424d-7564-4cdc-b0a0-397616a3a586
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T21:20:00Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4443470d94ac14bb2488765e01f602b4f47762706447033101c51fca458c72a4","name":"Killaz Group","registered_at":"2026-06-12T02:43:41Z","symbol":"NIM0162770","token_address":"0x0eb40717a0f79ab26751167decbb8f0f867a6642","type":"artist","uuid":"7e5c424d-7564-4cdc-b0a0-397616a3a586"}
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 0x4443470d94ac14bb2488765e01f602b4f47762706447033101c51fca458c72a4. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7e5c424d-7564-4cdc-b0a0-397616a3a586.json and https://artists.proofprofile.net/proofs/artist/7e5c424d-7564-4cdc-b0a0-397616a3a586.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
  text: {"copyright_id":"0x4443470d94ac14bb2488765e01f602b4f47762706447033101c51fca458c72a4","name":"Killaz Group","registered_at":"2026-06-12T02:43:41Z","symbol":"NIM0162770","token_address":"0x0eb40717a0f79ab26751167decbb8f0f867a6642","type":"artist","uuid":"7e5c424d-7564-4cdc-b0a0-397616a3a586"}
album: Operacja Kocia Karma
  type: MusicAlbum
  date published: 2007-01-01
  track: Intro (prod: Mixer)
    type: MusicRecording
    duration: PT4M9S
    duration ms: 249520
    explicit: false
    by artist: Killaz Group
    in album: Operacja Kocia Karma
      type: MusicAlbum
      date published: 2007-01-01
  track: Ludzie Koty (prod: Mixer, Bass: Leming)
    type: MusicRecording
    duration: PT3M33S
    duration ms: 213013
    explicit: false
    by artist: Killaz Group
    in album: Operacja Kocia Karma
      type: MusicAlbum
      date published: 2007-01-01
  track: Dla Ulic (prod: Matheo)
    type: MusicRecording
    duration: PT4M52S
    duration ms: 292720
    explicit: false
    by artist: Killaz Group
    in album: Operacja Kocia Karma
      type: MusicAlbum
      date published: 2007-01-01
  track: Przerywam Ciszę (prod: Mixer)
    type: MusicRecording
    duration: PT3M32S
    duration ms: 212213
    explicit: false
    by artist: Killaz Group
    in album: Operacja Kocia Karma
      type: MusicAlbum
      date published: 2007-01-01
  track: Odrobine (prod: Mixer, skrecz: Dj Kostek, bass, gitara: Maciej Szwarc)
    type: MusicRecording
    duration: PT4M17S
    duration ms: 257106
    explicit: false
    by artist: Killaz Group
    in album: Operacja Kocia Karma
      type: MusicAlbum
      date published: 2007-01-01
  track: Kartka Z Kalendarza (prod: Mixer)
    type: MusicRecording
    duration: PT3M53S
    duration ms: 233626
    explicit: false
    by artist: Killaz Group
    in album: Operacja Kocia Karma
      type: MusicAlbum
      date published: 2007-01-01
  track: Nieśmiertelne Rymy (prod: Grant, Skrecz: Dj Kostek, Backing Vocals: Shellerini)
    type: MusicRecording
    duration: PT3M24S
    duration ms: 204266
    explicit: false
    by artist: Killaz Group
    in album: Operacja Kocia Karma
      type: MusicAlbum
      date published: 2007-01-01
  track: Karma (prod: Mixer, gitara: Maciej Szwarc)
    type: MusicRecording
    duration: PT3M58S
    duration ms: 238466
    explicit: false
    by artist: Killaz Group
    in album: Operacja Kocia Karma
      type: MusicAlbum
      date published: 2007-01-01
  track: Rap W Tym Miescie (prod: Mixer, gitara: Leming, skrecz: Dj Hen)
    type: MusicRecording
    duration: PT3M36S
    duration ms: 216986
    explicit: false
    by artist: Killaz Group
    in album: Operacja Kocia Karma
      type: MusicAlbum
      date published: 2007-01-01
  track: Nienawidz Grę, A Nie Gracza (prod: Mixer)
    type: MusicRecording
    duration: PT4M17S
    duration ms: 257066
    explicit: false
    by artist: Killaz Group
    in album: Operacja Kocia Karma
      type: MusicAlbum
      date published: 2007-01-01
  track: Manewry (prod: Matheo)
    type: MusicRecording
    duration: PT3M57S
    duration ms: 237400
    explicit: false
    by artist: Killaz Group
    in album: Operacja Kocia Karma
      type: MusicAlbum
      date published: 2007-01-01
  track: Ludzie Koty (prod: Mixer) - Remix
    type: MusicRecording
    duration: PT3M35S
    duration ms: 215840
    explicit: false
    by artist: Killaz Group
    in album: Operacja Kocia Karma
      type: MusicAlbum
      date published: 2007-01-01
  track: Mexyk (prod: Larwa, backing vocals: Shellerini, skrecz; Dj Kostek)
    type: MusicRecording
    duration: PT4M12S
    duration ms: 252693
    explicit: false
    by artist: Killaz Group
    in album: Operacja Kocia Karma
      type: MusicAlbum
      date published: 2007-01-01
  track: W Tych Klubach (prod i backing vocals: Mixer)
    type: MusicRecording
    duration: PT5M12S
    duration ms: 312240
    explicit: false
    by artist: Killaz Group
    in album: Operacja Kocia Karma
      type: MusicAlbum
      date published: 2007-01-01
  track: Tokadogiepedegie (prod: Larwa, skrecz: Dj Hen)
    type: MusicRecording
    duration: PT4M55S
    duration ms: 295053
    explicit: false
    by artist: Killaz Group
    in album: Operacja Kocia Karma
      type: MusicAlbum
      date published: 2007-01-01
  track: Jomajo (prod: Beatmakerbeat) - Bonus Track
    type: MusicRecording
    duration: PT3M37S
    duration ms: 217573
    explicit: false
    by artist: Killaz Group
    in album: Operacja Kocia Karma
      type: MusicAlbum
      date published: 2007-01-01
  track: Z.G.R. (Zorganizowana Grupa Rapowa) (prod: Mahyn, skrecze: Dj Zaju) - Bonus Track
    type: MusicRecording
    duration: PT4M27S
    duration ms: 267360
    explicit: false
    by artist: Killaz Group
    in album: Operacja Kocia Karma
      type: MusicAlbum
      date published: 2007-01-01
album: Operacja Kocia Karma
  type: MusicAlbum
  date published: 2007-01-01
  track: Intro (prod: Mixer)
    type: MusicRecording
    duration: PT4M9S
    duration ms: 249520
    explicit: false
    by artist: Killaz Group
    in album: Operacja Kocia Karma
    isrc code: PLH511200177
    additional property: CopyrightID
    additional property: CopyrightStatus
    additional property: CopyrightRegisteredAt
    additional property: CopyrightChainExplorerURL
    additional property: OTSHash
    additional property: OTSBitcoinBlock
    additional property: OTSBitcoinBlockVerifyURL
    additional property: OTSRecordURL
    additional property: OTSVerificationAPI
    additional property: OTSTimestamp
    additional property: OTSCanonicalRecord
    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
  track: Ludzie Koty (prod: Mixer, Bass: Leming)
  track: Dla Ulic (prod: Matheo)
  track: Przerywam Ciszę (prod: Mixer)
  track: Odrobine (prod: Mixer, skrecz: Dj Kostek, bass, gitara: Maciej Szwarc)
  track: Kartka Z Kalendarza (prod: Mixer)
  track: Nieśmiertelne Rymy (prod: Grant, Skrecz: Dj Kostek, Backing Vocals: Shellerini)
  track: Karma (prod: Mixer, gitara: Maciej Szwarc)
  track: Rap W Tym Miescie (prod: Mixer, gitara: Leming, skrecz: Dj Hen)
  track: Nienawidz Grę, A Nie Gracza (prod: Mixer)
  track: Manewry (prod: Matheo) - Manewry feat. Ramona 23 (prod: Matheo)
  track: Ludzie Koty (prod: Mixer) - Remix
  track: Mexyk (prod: Larwa, backing vocals: Shellerini, skrecz; Dj Kostek)
  track: W Tych Klubach (prod i backing vocals: Mixer)
  track: Tokadogiepedegie (prod: Larwa, skrecz: Dj Hen)
  track: Jomajo (prod: Beatmakerbeat)
  track: Z.G.R. (Zorganizowana Grupa Rapowa) (prod: Mahyn, skrecze: Dj Zaju)
album: Nokaut 2023
album: Nokaut (reedycja)
track: Start
track: Jestem Szejkiem
track: Zjednoczone Emiraty Poznańskie
track: Autobiografia
track: O Wszystkim I O Niczym
track: Grunwaldzka Technika
track: Pod Blokiem
track: Spójrz Prawdzie W Oczy
track: Nokautow Szkoła
track: Pewne Rzeczy
track: Betonowe Lasy
track: Ile Elementów
track: G.R.U To Mój Dom
track: Sprawdź Co Gram
track: Mmmm...
track: Saga Trwa Nadal
track: To O Nich I Dla Nich
track: Nokaut 2023
track: Zjednoczone Emiraty Poznańskie - Magiera Remix
track: Intro (prod: Mixer)

Killaz Group
type: MusicGroup

Operacja Kocia Karma
type: MusicAlbum
date published: 2007-01-01

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-24T12:55:21+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xb480266808d2a9e99db44c81c68dcaec64d917b02c98146818d784ca9cbc9469

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956312

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

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/4rnnwejikILKAGWpil6Lz3.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4rnnwejikILKAGWpil6Lz3

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

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0xb480266808d2a9e99db44c81c68dcaec64d917b02c98146818d784ca9cbc9469","isrc":"PLH511200177","name":"Intro (prod: Mixer)","registered_at":"2026-06-24T12:55:21Z","spotify_id":"4rnnwejikILKAGWpil6Lz3","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 0xb480266808d2a9e99db44c81c68dcaec64d917b02c98146818d784ca9cbc9469. 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/4rnnwejikILKAGWpil6Lz3.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4rnnwejikILKAGWpil6Lz3.
date published: 2026-07-02T05:09:12Z
text: {"copyright_id":"0xb480266808d2a9e99db44c81c68dcaec64d917b02c98146818d784ca9cbc9469","isrc":"PLH511200177","name":"Intro (prod: Mixer)","registered_at":"2026-06-24T12:55:21Z","spotify_id":"4rnnwejikILKAGWpil6Lz3","type":"track"}

Ludzie Koty (prod: Mixer, Bass: Leming)
type: MusicRecording
duration: PT3M33S
duration ms: 213013
explicit: false
by artist: Killaz Group
in album: Operacja Kocia Karma
  type: MusicAlbum
  date published: 2007-01-01
isrc code: PLH511200178
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T09:33:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x538fba50cf47c626b49909209489cf4107f9fffa675ef4d782888a986d43a7db
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/1XASa8TQ1sLUB3FaWv86yn.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1XASa8TQ1sLUB3FaWv86yn
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x538fba50cf47c626b49909209489cf4107f9fffa675ef4d782888a986d43a7db","isrc":"PLH511200178","name":"Ludzie Koty (prod: Mixer, Bass: Leming)","registered_at":"2026-06-11T09:33:26Z","spotify_id":"1XASa8TQ1sLUB3FaWv86yn","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 0x538fba50cf47c626b49909209489cf4107f9fffa675ef4d782888a986d43a7db. 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/1XASa8TQ1sLUB3FaWv86yn.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1XASa8TQ1sLUB3FaWv86yn.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x538fba50cf47c626b49909209489cf4107f9fffa675ef4d782888a986d43a7db","isrc":"PLH511200178","name":"Ludzie Koty (prod: Mixer, Bass: Leming)","registered_at":"2026-06-11T09:33:26Z","spotify_id":"1XASa8TQ1sLUB3FaWv86yn","type":"track"}

Dla Ulic (prod: Matheo)
type: MusicRecording
duration: PT4M52S
duration ms: 292720
explicit: false
by artist: Killaz Group
in album: Operacja Kocia Karma
  type: MusicAlbum
  date published: 2007-01-01
isrc code: PLH511200179
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T17:26:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x13444f7cf970fa47b8f6d47c1edc50226bdb0185b10427f026430ed8e44bed53
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/6BscxVgDAou7dF6ciuzWMf.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6BscxVgDAou7dF6ciuzWMf
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x13444f7cf970fa47b8f6d47c1edc50226bdb0185b10427f026430ed8e44bed53","isrc":"PLH511200179","name":"Dla Ulic (prod: Matheo)","registered_at":"2026-06-09T17:26:49Z","spotify_id":"6BscxVgDAou7dF6ciuzWMf","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 0x13444f7cf970fa47b8f6d47c1edc50226bdb0185b10427f026430ed8e44bed53. 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/6BscxVgDAou7dF6ciuzWMf.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6BscxVgDAou7dF6ciuzWMf.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x13444f7cf970fa47b8f6d47c1edc50226bdb0185b10427f026430ed8e44bed53","isrc":"PLH511200179","name":"Dla Ulic (prod: Matheo)","registered_at":"2026-06-09T17:26:49Z","spotify_id":"6BscxVgDAou7dF6ciuzWMf","type":"track"}

Przerywam Ciszę (prod: Mixer)
type: MusicRecording
duration: PT3M32S
duration ms: 212213
explicit: false
by artist: Killaz Group
in album: Operacja Kocia Karma
  type: MusicAlbum
  date published: 2007-01-01
isrc code: PLH511200180
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T10:51:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x910de20a8a67bb57e4c774d2ecf331fab80572d06ece467e5b28f32c032d0191
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/6OksPwn4AgHDs4OOKsFEbR.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6OksPwn4AgHDs4OOKsFEbR
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x910de20a8a67bb57e4c774d2ecf331fab80572d06ece467e5b28f32c032d0191","isrc":"PLH511200180","name":"Przerywam Ciszę (prod: Mixer)","registered_at":"2026-06-19T10:51:29Z","spotify_id":"6OksPwn4AgHDs4OOKsFEbR","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 0x910de20a8a67bb57e4c774d2ecf331fab80572d06ece467e5b28f32c032d0191. 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/6OksPwn4AgHDs4OOKsFEbR.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6OksPwn4AgHDs4OOKsFEbR.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x910de20a8a67bb57e4c774d2ecf331fab80572d06ece467e5b28f32c032d0191","isrc":"PLH511200180","name":"Przerywam Ciszę (prod: Mixer)","registered_at":"2026-06-19T10:51:29Z","spotify_id":"6OksPwn4AgHDs4OOKsFEbR","type":"track"}

Odrobine (prod: Mixer, skrecz: Dj Kostek, bass, gitara: Maciej Szwarc)
type: MusicRecording
duration: PT4M17S
duration ms: 257106
explicit: false
by artist: Killaz Group
in album: Operacja Kocia Karma
  type: MusicAlbum
  date published: 2007-01-01
isrc code: PLH511200181
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T00:05:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x39fd7cb15d79f23de4c778edd780af986a6d5a58e672fe5abb8cea14984f4352
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/7dJNOhPtULD4j2ruWsGsov.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7dJNOhPtULD4j2ruWsGsov
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x39fd7cb15d79f23de4c778edd780af986a6d5a58e672fe5abb8cea14984f4352","isrc":"PLH511200181","name":"Odrobine (prod: Mixer, skrecz: Dj Kostek, bass, gitara: Maciej Szwarc)","registered_at":"2026-06-20T00:05:31Z","spotify_id":"7dJNOhPtULD4j2ruWsGsov","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 0x39fd7cb15d79f23de4c778edd780af986a6d5a58e672fe5abb8cea14984f4352. 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/7dJNOhPtULD4j2ruWsGsov.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7dJNOhPtULD4j2ruWsGsov.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x39fd7cb15d79f23de4c778edd780af986a6d5a58e672fe5abb8cea14984f4352","isrc":"PLH511200181","name":"Odrobine (prod: Mixer, skrecz: Dj Kostek, bass, gitara: Maciej Szwarc)","registered_at":"2026-06-20T00:05:31Z","spotify_id":"7dJNOhPtULD4j2ruWsGsov","type":"track"}

Kartka Z Kalendarza (prod: Mixer)
type: MusicRecording
duration: PT3M53S
duration ms: 233626
explicit: false
by artist: Killaz Group
in album: Operacja Kocia Karma
  type: MusicAlbum
  date published: 2007-01-01
isrc code: PLH511200182
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T15:52:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf531a81dc8e2d85308b3fc418445b571b3068ce8e4d0d23de2fcf6e2e6ea8414
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/2DUWXcN23LqVhP0z6V0mfm.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2DUWXcN23LqVhP0z6V0mfm
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf531a81dc8e2d85308b3fc418445b571b3068ce8e4d0d23de2fcf6e2e6ea8414","isrc":"PLH511200182","name":"Kartka Z Kalendarza (prod: Mixer)","registered_at":"2026-06-18T15:52:09Z","spotify_id":"2DUWXcN23LqVhP0z6V0mfm","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 0xf531a81dc8e2d85308b3fc418445b571b3068ce8e4d0d23de2fcf6e2e6ea8414. 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/2DUWXcN23LqVhP0z6V0mfm.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2DUWXcN23LqVhP0z6V0mfm.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0xf531a81dc8e2d85308b3fc418445b571b3068ce8e4d0d23de2fcf6e2e6ea8414","isrc":"PLH511200182","name":"Kartka Z Kalendarza (prod: Mixer)","registered_at":"2026-06-18T15:52:09Z","spotify_id":"2DUWXcN23LqVhP0z6V0mfm","type":"track"}

Nieśmiertelne Rymy (prod: Grant, Skrecz: Dj Kostek, Backing Vocals: Shellerini)
type: MusicRecording
duration: PT3M24S
duration ms: 204266
explicit: false
by artist: Killaz Group
in album: Operacja Kocia Karma
  type: MusicAlbum
  date published: 2007-01-01
isrc code: PLH511200183
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T03:26:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9f32d94952fe90e830ef6fb5b121992aa9d4cbae12d482d08654b0ca3b8d232a
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/5nxuTME8dsl4Zebs2kTopi.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5nxuTME8dsl4Zebs2kTopi
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9f32d94952fe90e830ef6fb5b121992aa9d4cbae12d482d08654b0ca3b8d232a","isrc":"PLH511200183","name":"Nieśmiertelne Rymy (prod: Grant, Skrecz: Dj Kostek, Backing Vocals: Shellerini)","registered_at":"2026-06-25T03:26:52Z","spotify_id":"5nxuTME8dsl4Zebs2kTopi","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 0x9f32d94952fe90e830ef6fb5b121992aa9d4cbae12d482d08654b0ca3b8d232a. 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/5nxuTME8dsl4Zebs2kTopi.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5nxuTME8dsl4Zebs2kTopi.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x9f32d94952fe90e830ef6fb5b121992aa9d4cbae12d482d08654b0ca3b8d232a","isrc":"PLH511200183","name":"Nieśmiertelne Rymy (prod: Grant, Skrecz: Dj Kostek, Backing Vocals: Shellerini)","registered_at":"2026-06-25T03:26:52Z","spotify_id":"5nxuTME8dsl4Zebs2kTopi","type":"track"}

Karma (prod: Mixer, gitara: Maciej Szwarc)
type: MusicRecording
duration: PT3M58S
duration ms: 238466
explicit: false
by artist: Killaz Group
in album: Operacja Kocia Karma
  type: MusicAlbum
  date published: 2007-01-01
isrc code: PLH511200184
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T03:46:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd30a3160b3ac1cdb56f3242f1cf8540203eeed3cee7eb2fe63906cd1cc6802af
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/32Ykx17hLeVu9kLys9V3lI.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/32Ykx17hLeVu9kLys9V3lI
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd30a3160b3ac1cdb56f3242f1cf8540203eeed3cee7eb2fe63906cd1cc6802af","isrc":"PLH511200184","name":"Karma (prod: Mixer, gitara: Maciej Szwarc)","registered_at":"2026-06-10T03:46:52Z","spotify_id":"32Ykx17hLeVu9kLys9V3lI","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 0xd30a3160b3ac1cdb56f3242f1cf8540203eeed3cee7eb2fe63906cd1cc6802af. 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/32Ykx17hLeVu9kLys9V3lI.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/32Ykx17hLeVu9kLys9V3lI.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0xd30a3160b3ac1cdb56f3242f1cf8540203eeed3cee7eb2fe63906cd1cc6802af","isrc":"PLH511200184","name":"Karma (prod: Mixer, gitara: Maciej Szwarc)","registered_at":"2026-06-10T03:46:52Z","spotify_id":"32Ykx17hLeVu9kLys9V3lI","type":"track"}

Rap W Tym Miescie (prod: Mixer, gitara: Leming, skrecz: Dj Hen)
type: MusicRecording
duration: PT3M36S
duration ms: 216986
explicit: false
by artist: Killaz Group
in album: Operacja Kocia Karma
  type: MusicAlbum
  date published: 2007-01-01
isrc code: PLH511200185

Nienawidz Grę, A Nie Gracza (prod: Mixer)
type: MusicRecording
duration: PT4M17S
duration ms: 257066
explicit: false
by artist: Killaz Group
in album: Operacja Kocia Karma
  type: MusicAlbum
  date published: 2007-01-01
isrc code: PLH511200186
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T12:55:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0e1d2811733dbc4dc41ba236f66e64578e6e107ee1f0bd4b15f245731dba1692
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/4GV11mpiqDK1zD6PvmZGKk.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4GV11mpiqDK1zD6PvmZGKk
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0e1d2811733dbc4dc41ba236f66e64578e6e107ee1f0bd4b15f245731dba1692","isrc":"PLH511200186","name":"Nienawidz Grę, A Nie Gracza (prod: Mixer)","registered_at":"2026-06-24T12:55:00Z","spotify_id":"4GV11mpiqDK1zD6PvmZGKk","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 0x0e1d2811733dbc4dc41ba236f66e64578e6e107ee1f0bd4b15f245731dba1692. 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/4GV11mpiqDK1zD6PvmZGKk.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4GV11mpiqDK1zD6PvmZGKk.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x0e1d2811733dbc4dc41ba236f66e64578e6e107ee1f0bd4b15f245731dba1692","isrc":"PLH511200186","name":"Nienawidz Grę, A Nie Gracza (prod: Mixer)","registered_at":"2026-06-24T12:55:00Z","spotify_id":"4GV11mpiqDK1zD6PvmZGKk","type":"track"}

Manewry (prod: Matheo) - Manewry feat. Ramona 23 (prod: Matheo)
type: MusicRecording
duration: PT3M57S
duration ms: 237400
explicit: false
by artist: Killaz Group
in album: Operacja Kocia Karma
  type: MusicAlbum
  date published: 2007-01-01
isrc code: PLH511200187
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T15:02:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0d54ab0f70ba736fc66d7232864d9061333c45af84fb4471e33d963bad9be4eb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3sMnzrbnJWcrYDVPJbkWTH.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3sMnzrbnJWcrYDVPJbkWTH
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0d54ab0f70ba736fc66d7232864d9061333c45af84fb4471e33d963bad9be4eb","isrc":"PLH511200187","name":"Manewry (prod: Matheo) - Manewry feat. Ramona 23 (prod: Matheo)","registered_at":"2026-06-04T15:02:57Z","spotify_id":"3sMnzrbnJWcrYDVPJbkWTH","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 0x0d54ab0f70ba736fc66d7232864d9061333c45af84fb4471e33d963bad9be4eb. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3sMnzrbnJWcrYDVPJbkWTH.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3sMnzrbnJWcrYDVPJbkWTH.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x0d54ab0f70ba736fc66d7232864d9061333c45af84fb4471e33d963bad9be4eb","isrc":"PLH511200187","name":"Manewry (prod: Matheo) - Manewry feat. Ramona 23 (prod: Matheo)","registered_at":"2026-06-04T15:02:57Z","spotify_id":"3sMnzrbnJWcrYDVPJbkWTH","type":"track"}

Ludzie Koty (prod: Mixer) - Remix
type: MusicRecording
duration: PT3M35S
duration ms: 215840
explicit: false
by artist: Killaz Group
in album: Operacja Kocia Karma
  type: MusicAlbum
  date published: 2007-01-01
isrc code: PLH511200188

Mexyk (prod: Larwa, backing vocals: Shellerini, skrecz; Dj Kostek)
type: MusicRecording
duration: PT4M12S
duration ms: 252693
explicit: false
by artist: Killaz Group
in album: Operacja Kocia Karma
  type: MusicAlbum
  date published: 2007-01-01
isrc code: PLH511200189

W Tych Klubach (prod i backing vocals: Mixer)
type: MusicRecording
duration: PT5M12S
duration ms: 312240
explicit: false
by artist: Killaz Group
in album: Operacja Kocia Karma
  type: MusicAlbum
  date published: 2007-01-01
isrc code: PLH511200190
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T19:55:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfc92c841b1f71a29e05a50c31765c7d7bd9ca1b07703a1ea6275eeffcb556903
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/3eVljo6nek28vp6NDyolHd.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3eVljo6nek28vp6NDyolHd
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xfc92c841b1f71a29e05a50c31765c7d7bd9ca1b07703a1ea6275eeffcb556903","isrc":"PLH511200190","name":"W Tych Klubach (prod i backing vocals: Mixer)","registered_at":"2026-06-07T19:55:17Z","spotify_id":"3eVljo6nek28vp6NDyolHd","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 0xfc92c841b1f71a29e05a50c31765c7d7bd9ca1b07703a1ea6275eeffcb556903. 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/3eVljo6nek28vp6NDyolHd.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3eVljo6nek28vp6NDyolHd.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xfc92c841b1f71a29e05a50c31765c7d7bd9ca1b07703a1ea6275eeffcb556903","isrc":"PLH511200190","name":"W Tych Klubach (prod i backing vocals: Mixer)","registered_at":"2026-06-07T19:55:17Z","spotify_id":"3eVljo6nek28vp6NDyolHd","type":"track"}

Tokadogiepedegie (prod: Larwa, skrecz: Dj Hen)
type: MusicRecording
duration: PT4M55S
duration ms: 295053
explicit: false
by artist: Killaz Group
in album: Operacja Kocia Karma
  type: MusicAlbum
  date published: 2007-01-01
isrc code: PLH511200191

Jomajo (prod: Beatmakerbeat)
type: MusicRecording
duration: PT3M37S
duration ms: 217573
explicit: false
by artist: Killaz Group
in album: Operacja Kocia Karma
  type: MusicAlbum
  date published: 2007-01-01
isrc code: PLH511200192

Z.G.R. (Zorganizowana Grupa Rapowa) (prod: Mahyn, skrecze: Dj Zaju)
type: MusicRecording
duration: PT4M27S
duration ms: 267360
explicit: false
by artist: Killaz Group
in album: Operacja Kocia Karma
  type: MusicAlbum
  date published: 2007-01-01
isrc code: PLH511200193

Nokaut 2023
type: MusicAlbum
date published: 2023-10-27
track: Nokaut 2023
  type: MusicRecording
  duration: PT3M27S
  duration ms: 207068
  explicit: true
  by artist: Killaz Group
  in album: Nokaut 2023
    type: MusicAlbum
    date published: 2023-10-27
  isrc code: PLC062387204
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-21T01:44:54+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6cabd75ac049eb2198fc956cc9c34880256192b9227183bd7a8db1f282cf3b59
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956349
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956349
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/7o28RF9fCDsIbWigh6elKw.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7o28RF9fCDsIbWigh6elKw
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T11:34:59Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x6cabd75ac049eb2198fc956cc9c34880256192b9227183bd7a8db1f282cf3b59","isrc":"PLC062387204","name":"Nokaut 2023","registered_at":"2026-06-21T01:44:54Z","spotify_id":"7o28RF9fCDsIbWigh6elKw","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 0x6cabd75ac049eb2198fc956cc9c34880256192b9227183bd7a8db1f282cf3b59. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7o28RF9fCDsIbWigh6elKw.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7o28RF9fCDsIbWigh6elKw.
    date published: 2026-07-02T11:34:59Z
    text: {"copyright_id":"0x6cabd75ac049eb2198fc956cc9c34880256192b9227183bd7a8db1f282cf3b59","isrc":"PLC062387204","name":"Nokaut 2023","registered_at":"2026-06-21T01:44:54Z","spotify_id":"7o28RF9fCDsIbWigh6elKw","type":"track"}

Nokaut (reedycja)
type: MusicAlbum
date published: 2023-12-08
track: Start
  type: MusicRecording
  duration: PT0M34S
  duration ms: 34267
  explicit: true
  by artist: Killaz Group
  in album: Nokaut (reedycja)
    type: MusicAlbum
    date published: 2023-12-08
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-24T12:56:18+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xfe1f126693eac41ac68e0314df7938e1e827712f496eabd67993b14e281159f2
  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/4v7MoSBu9aglbeSQvT1PhJ.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4v7MoSBu9aglbeSQvT1PhJ
  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 0xfe1f126693eac41ac68e0314df7938e1e827712f496eabd67993b14e281159f2. 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/4v7MoSBu9aglbeSQvT1PhJ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4v7MoSBu9aglbeSQvT1PhJ.
    date published: 2026-07-02T05:09:12Z
track: Jestem Szejkiem
  type: MusicRecording
  duration: PT4M32S
  duration ms: 272763
  explicit: true
  by artist: Killaz Group
  in album: Nokaut (reedycja)
    type: MusicAlbum
    date published: 2023-12-08
  isrc code: PLC062387188
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T20:06:07+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf961e834adfc8622bcdb4489e25ac1effbcc7129360adc3e38f7847ac6ea3c57
  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/3j3pViWwSWzvRKuQ4piVbl.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3j3pViWwSWzvRKuQ4piVbl
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xf961e834adfc8622bcdb4489e25ac1effbcc7129360adc3e38f7847ac6ea3c57","isrc":"PLC062387188","name":"Jestem Szejkiem","registered_at":"2026-06-08T20:06:07Z","spotify_id":"3j3pViWwSWzvRKuQ4piVbl","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 0xf961e834adfc8622bcdb4489e25ac1effbcc7129360adc3e38f7847ac6ea3c57. 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/3j3pViWwSWzvRKuQ4piVbl.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3j3pViWwSWzvRKuQ4piVbl.
    date published: 2026-06-13T13:32:09Z
    text: {"copyright_id":"0xf961e834adfc8622bcdb4489e25ac1effbcc7129360adc3e38f7847ac6ea3c57","isrc":"PLC062387188","name":"Jestem Szejkiem","registered_at":"2026-06-08T20:06:07Z","spotify_id":"3j3pViWwSWzvRKuQ4piVbl","type":"track"}
track: Zjednoczone Emiraty Poznańskie
  type: MusicRecording
  duration: PT5M1S
  duration ms: 301537
  explicit: true
  by artist: Killaz Group
  in album: Nokaut (reedycja)
    type: MusicAlbum
    date published: 2023-12-08
  isrc code: PLC062387189
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-21T01:52:44+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa91f7a326056744ecb1bdb817a5d44bc07cf34ad7e89da51aa42cd8313d63851
  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/162BAaPzv6WQtTZmMAP92l.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/162BAaPzv6WQtTZmMAP92l
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xa91f7a326056744ecb1bdb817a5d44bc07cf34ad7e89da51aa42cd8313d63851","isrc":"PLC062387189","name":"Zjednoczone Emiraty Poznańskie","registered_at":"2026-06-21T01:52:44Z","spotify_id":"162BAaPzv6WQtTZmMAP92l","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 0xa91f7a326056744ecb1bdb817a5d44bc07cf34ad7e89da51aa42cd8313d63851. 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/162BAaPzv6WQtTZmMAP92l.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/162BAaPzv6WQtTZmMAP92l.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0xa91f7a326056744ecb1bdb817a5d44bc07cf34ad7e89da51aa42cd8313d63851","isrc":"PLC062387189","name":"Zjednoczone Emiraty Poznańskie","registered_at":"2026-06-21T01:52:44Z","spotify_id":"162BAaPzv6WQtTZmMAP92l","type":"track"}
track: Autobiografia
  type: MusicRecording
  duration: PT4M55S
  duration ms: 295400
  explicit: true
  by artist: Killaz Group
  in album: Nokaut (reedycja)
    type: MusicAlbum
    date published: 2023-12-08
  isrc code: PLC062387190
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-22T00:27:06+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7bfaf8b8eadffaba3ae0882a8e0b4663c754e21789162484908b5e79fb53a2e9
  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/1M30sbgjJFt6ne0p4fHCHw.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1M30sbgjJFt6ne0p4fHCHw
  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 0x7bfaf8b8eadffaba3ae0882a8e0b4663c754e21789162484908b5e79fb53a2e9. 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/1M30sbgjJFt6ne0p4fHCHw.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1M30sbgjJFt6ne0p4fHCHw.
    date published: 2026-07-02T05:09:12Z
track: O Wszystkim I O Niczym
  type: MusicRecording
  duration: PT6M2S
  duration ms: 362248
  explicit: true
  by artist: Killaz Group
  in album: Nokaut (reedycja)
    type: MusicAlbum
    date published: 2023-12-08
  isrc code: PLC062387191
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSRecordURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
track: Grunwaldzka Technika
track: Pod Blokiem
track: Spójrz Prawdzie W Oczy
track: Nokautow Szkoła
track: Pewne Rzeczy
track: Betonowe Lasy
track: Ile Elementów
track: G.R.U To Mój Dom
track: Sprawdź Co Gram
track: Mmmm...
track: Saga Trwa Nadal
track: To O Nich I Dla Nich
track: Nokaut 2023
track: Zjednoczone Emiraty Poznańskie - Magiera Remix

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-22T00:28:01+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x85378f75598156e083f981a7ee68a6cd8dfa641a6ed2727739c81ce82f901ba4

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956312

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

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/6p8Y7FoW42vxK6OCPW5CiQ.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6p8Y7FoW42vxK6OCPW5CiQ

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

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x85378f75598156e083f981a7ee68a6cd8dfa641a6ed2727739c81ce82f901ba4","isrc":"PLC062387191","name":"O Wszystkim I O Niczym","registered_at":"2026-06-22T00:28:01Z","spotify_id":"6p8Y7FoW42vxK6OCPW5CiQ","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 0x85378f75598156e083f981a7ee68a6cd8dfa641a6ed2727739c81ce82f901ba4. 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/6p8Y7FoW42vxK6OCPW5CiQ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6p8Y7FoW42vxK6OCPW5CiQ.
date published: 2026-07-02T05:09:12Z
text: {"copyright_id":"0x85378f75598156e083f981a7ee68a6cd8dfa641a6ed2727739c81ce82f901ba4","isrc":"PLC062387191","name":"O Wszystkim I O Niczym","registered_at":"2026-06-22T00:28:01Z","spotify_id":"6p8Y7FoW42vxK6OCPW5CiQ","type":"track"}

Grunwaldzka Technika
type: MusicRecording
duration: PT3M22S
duration ms: 202158
explicit: true
by artist: Killaz Group
in album: Nokaut (reedycja)
  type: MusicAlbum
  date published: 2023-12-08
isrc code: PLC062387192
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T05:54:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x25041b18e5950899734a5d3d0fc08244d1474268084fdee56dba5e45ab2b2854
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/3numC2Su8k53G7aMF4Cyzx.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3numC2Su8k53G7aMF4Cyzx
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x25041b18e5950899734a5d3d0fc08244d1474268084fdee56dba5e45ab2b2854","isrc":"PLC062387192","name":"Grunwaldzka Technika","registered_at":"2026-06-20T05:54:27Z","spotify_id":"3numC2Su8k53G7aMF4Cyzx","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 0x25041b18e5950899734a5d3d0fc08244d1474268084fdee56dba5e45ab2b2854. 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/3numC2Su8k53G7aMF4Cyzx.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3numC2Su8k53G7aMF4Cyzx.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x25041b18e5950899734a5d3d0fc08244d1474268084fdee56dba5e45ab2b2854","isrc":"PLC062387192","name":"Grunwaldzka Technika","registered_at":"2026-06-20T05:54:27Z","spotify_id":"3numC2Su8k53G7aMF4Cyzx","type":"track"}

Pod Blokiem
type: MusicRecording
duration: PT4M26S
duration ms: 266679
explicit: true
by artist: Killaz Group
in album: Nokaut (reedycja)
  type: MusicAlbum
  date published: 2023-12-08
isrc code: PLC062387193
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T20:54:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe1ff809acdcbc3b07dabd786def24ab8d18586c8438b6ddd5199c6bd2b6b6a36
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956349
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956349
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1Ypp64xgOaw9epNMZGzaHR.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1Ypp64xgOaw9epNMZGzaHR
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:34:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe1ff809acdcbc3b07dabd786def24ab8d18586c8438b6ddd5199c6bd2b6b6a36","isrc":"PLC062387193","name":"Pod Blokiem","registered_at":"2026-06-25T20:54:16Z","spotify_id":"1Ypp64xgOaw9epNMZGzaHR","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 0xe1ff809acdcbc3b07dabd786def24ab8d18586c8438b6ddd5199c6bd2b6b6a36. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1Ypp64xgOaw9epNMZGzaHR.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1Ypp64xgOaw9epNMZGzaHR.
  date published: 2026-07-02T11:34:59Z
  text: {"copyright_id":"0xe1ff809acdcbc3b07dabd786def24ab8d18586c8438b6ddd5199c6bd2b6b6a36","isrc":"PLC062387193","name":"Pod Blokiem","registered_at":"2026-06-25T20:54:16Z","spotify_id":"1Ypp64xgOaw9epNMZGzaHR","type":"track"}

Spójrz Prawdzie W Oczy
type: MusicRecording
duration: PT4M12S
duration ms: 252519
explicit: true
by artist: Killaz Group
in album: Nokaut (reedycja)
  type: MusicAlbum
  date published: 2023-12-08
isrc code: PLC062387194
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T00:28:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa2cb3398fddd01c9e399aa081f251d7fdff8932e2e9b12120ad60d3a78bad896
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/7BzXHEuR7AebmcxMn7XiVL.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7BzXHEuR7AebmcxMn7XiVL
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa2cb3398fddd01c9e399aa081f251d7fdff8932e2e9b12120ad60d3a78bad896","isrc":"PLC062387194","name":"Spójrz Prawdzie W Oczy","registered_at":"2026-06-22T00:28:17Z","spotify_id":"7BzXHEuR7AebmcxMn7XiVL","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 0xa2cb3398fddd01c9e399aa081f251d7fdff8932e2e9b12120ad60d3a78bad896. 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/7BzXHEuR7AebmcxMn7XiVL.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7BzXHEuR7AebmcxMn7XiVL.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0xa2cb3398fddd01c9e399aa081f251d7fdff8932e2e9b12120ad60d3a78bad896","isrc":"PLC062387194","name":"Spójrz Prawdzie W Oczy","registered_at":"2026-06-22T00:28:17Z","spotify_id":"7BzXHEuR7AebmcxMn7XiVL","type":"track"}

Nokautow Szkoła
type: MusicRecording
duration: PT3M29S
duration ms: 209320
explicit: true
by artist: Killaz Group
in album: Nokaut (reedycja)
  type: MusicAlbum
  date published: 2023-12-08
isrc code: PLC062387195
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T01:48:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6757e12d82628e1b0875f2bbd56fd20790d6f877770a9a7afed772b5f70fc4a5
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/1a3U6uZHQwuqpGTV1aL2VD.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1a3U6uZHQwuqpGTV1aL2VD
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6757e12d82628e1b0875f2bbd56fd20790d6f877770a9a7afed772b5f70fc4a5","isrc":"PLC062387195","name":"Nokautow Szkoła","registered_at":"2026-06-27T01:48:13Z","spotify_id":"1a3U6uZHQwuqpGTV1aL2VD","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 0x6757e12d82628e1b0875f2bbd56fd20790d6f877770a9a7afed772b5f70fc4a5. 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/1a3U6uZHQwuqpGTV1aL2VD.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1a3U6uZHQwuqpGTV1aL2VD.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x6757e12d82628e1b0875f2bbd56fd20790d6f877770a9a7afed772b5f70fc4a5","isrc":"PLC062387195","name":"Nokautow Szkoła","registered_at":"2026-06-27T01:48:13Z","spotify_id":"1a3U6uZHQwuqpGTV1aL2VD","type":"track"}

Pewne Rzeczy
type: MusicRecording
duration: PT3M0S
duration ms: 180841
explicit: true
by artist: Killaz Group
in album: Nokaut (reedycja)
  type: MusicAlbum
  date published: 2023-12-08
isrc code: PLC062387196
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T19:53:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4675acb6f956b79338ee04a2ec4d6137e69fa2363d2fe6718f0fa936e873a9af
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/4jjnl68cvpx1UyOkijrHLi.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4jjnl68cvpx1UyOkijrHLi
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4675acb6f956b79338ee04a2ec4d6137e69fa2363d2fe6718f0fa936e873a9af","isrc":"PLC062387196","name":"Pewne Rzeczy","registered_at":"2026-06-22T19:53:24Z","spotify_id":"4jjnl68cvpx1UyOkijrHLi","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 0x4675acb6f956b79338ee04a2ec4d6137e69fa2363d2fe6718f0fa936e873a9af. 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/4jjnl68cvpx1UyOkijrHLi.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4jjnl68cvpx1UyOkijrHLi.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x4675acb6f956b79338ee04a2ec4d6137e69fa2363d2fe6718f0fa936e873a9af","isrc":"PLC062387196","name":"Pewne Rzeczy","registered_at":"2026-06-22T19:53:24Z","spotify_id":"4jjnl68cvpx1UyOkijrHLi","type":"track"}

Betonowe Lasy
type: MusicRecording
duration: PT5M3S
duration ms: 303332
explicit: true
by artist: Killaz Group
in album: Nokaut (reedycja)
  type: MusicAlbum
  date published: 2023-12-08
isrc code: PLC062387197
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T09:33:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5e828184f3ec732e605c7dc50c93a0513a96fadf1ccc2447b16f3c37517bdf3f
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/5HNsuGnvv1mzEvu78AaIFH.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5HNsuGnvv1mzEvu78AaIFH
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5e828184f3ec732e605c7dc50c93a0513a96fadf1ccc2447b16f3c37517bdf3f","isrc":"PLC062387197","name":"Betonowe Lasy","registered_at":"2026-06-11T09:33:24Z","spotify_id":"5HNsuGnvv1mzEvu78AaIFH","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 0x5e828184f3ec732e605c7dc50c93a0513a96fadf1ccc2447b16f3c37517bdf3f. 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/5HNsuGnvv1mzEvu78AaIFH.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5HNsuGnvv1mzEvu78AaIFH.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x5e828184f3ec732e605c7dc50c93a0513a96fadf1ccc2447b16f3c37517bdf3f","isrc":"PLC062387197","name":"Betonowe Lasy","registered_at":"2026-06-11T09:33:24Z","spotify_id":"5HNsuGnvv1mzEvu78AaIFH","type":"track"}

Ile Elementów
type: MusicRecording
duration: PT1M45S
duration ms: 105983
explicit: true
by artist: Killaz Group
in album: Nokaut (reedycja)
  type: MusicAlbum
  date published: 2023-12-08
isrc code: PLC062387198
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T20:56:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd6f9419ed68c3ade6bbb0dec7ec2b04669ed81a91ded8976e8917cb86eaa89a2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956349
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956349
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3mUrKGPsGCMBt0CY9zoeYr.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3mUrKGPsGCMBt0CY9zoeYr
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:34:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd6f9419ed68c3ade6bbb0dec7ec2b04669ed81a91ded8976e8917cb86eaa89a2","isrc":"PLC062387198","name":"Ile Elementów","registered_at":"2026-06-25T20:56:42Z","spotify_id":"3mUrKGPsGCMBt0CY9zoeYr","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 0xd6f9419ed68c3ade6bbb0dec7ec2b04669ed81a91ded8976e8917cb86eaa89a2. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3mUrKGPsGCMBt0CY9zoeYr.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3mUrKGPsGCMBt0CY9zoeYr.
  date published: 2026-07-02T11:34:59Z
  text: {"copyright_id":"0xd6f9419ed68c3ade6bbb0dec7ec2b04669ed81a91ded8976e8917cb86eaa89a2","isrc":"PLC062387198","name":"Ile Elementów","registered_at":"2026-06-25T20:56:42Z","spotify_id":"3mUrKGPsGCMBt0CY9zoeYr","type":"track"}

G.R.U To Mój Dom
type: MusicRecording
duration: PT2M47S
duration ms: 167485
explicit: true
by artist: Killaz Group
in album: Nokaut (reedycja)
  type: MusicAlbum
  date published: 2023-12-08
isrc code: PLC062387199

Sprawdź Co Gram
type: MusicRecording
duration: PT3M58S
duration ms: 238141
explicit: true
by artist: Killaz Group
in album: Nokaut (reedycja)
  type: MusicAlbum
  date published: 2023-12-08
isrc code: PLC062387200
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T13:43:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xee69473d3950b1bf1d01f48070281660066d75c6b6b3241eeb384c2648f8ce07
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/4A9GKmNpVNIkZl7Tumsyj5.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4A9GKmNpVNIkZl7Tumsyj5
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xee69473d3950b1bf1d01f48070281660066d75c6b6b3241eeb384c2648f8ce07","isrc":"PLC062387200","name":"Sprawdź Co Gram","registered_at":"2026-06-23T13:43:26Z","spotify_id":"4A9GKmNpVNIkZl7Tumsyj5","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 0xee69473d3950b1bf1d01f48070281660066d75c6b6b3241eeb384c2648f8ce07. 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/4A9GKmNpVNIkZl7Tumsyj5.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4A9GKmNpVNIkZl7Tumsyj5.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0xee69473d3950b1bf1d01f48070281660066d75c6b6b3241eeb384c2648f8ce07","isrc":"PLC062387200","name":"Sprawdź Co Gram","registered_at":"2026-06-23T13:43:26Z","spotify_id":"4A9GKmNpVNIkZl7Tumsyj5","type":"track"}

Mmmm...
type: MusicRecording
duration: PT3M29S
duration ms: 209172
explicit: true
by artist: Killaz Group
in album: Nokaut (reedycja)
  type: MusicAlbum
  date published: 2023-12-08
isrc code: PLC062387201
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T10:52:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2ed51a66f0c726b8e0ba12028bda0c0f52241300b44fd7cdedd3b267f46357e2
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/74tCyHlMzlllzeRumt6Abz.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/74tCyHlMzlllzeRumt6Abz
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 0x2ed51a66f0c726b8e0ba12028bda0c0f52241300b44fd7cdedd3b267f46357e2. 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/74tCyHlMzlllzeRumt6Abz.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/74tCyHlMzlllzeRumt6Abz.
  date published: 2026-07-02T03:55:08Z

Saga Trwa Nadal
type: MusicRecording
duration: PT5M4S
duration ms: 304111
explicit: true
by artist: Killaz Group
in album: Nokaut (reedycja)
  type: MusicAlbum
  date published: 2023-12-08
isrc code: PLC062387202
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T01:30:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xda7475fa18deaa7c90afdef8337fdee485ff7490d2865a2ee2a20a6c875abd39
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956351
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956351
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7nEsuRCb69Nm2vcft6S59n.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7nEsuRCb69Nm2vcft6S59n
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:38:34Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xda7475fa18deaa7c90afdef8337fdee485ff7490d2865a2ee2a20a6c875abd39","isrc":"PLC062387202","name":"Saga Trwa Nadal","registered_at":"2026-06-27T01:30:06Z","spotify_id":"7nEsuRCb69Nm2vcft6S59n","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 0xda7475fa18deaa7c90afdef8337fdee485ff7490d2865a2ee2a20a6c875abd39. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7nEsuRCb69Nm2vcft6S59n.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7nEsuRCb69Nm2vcft6S59n.
  date published: 2026-07-02T11:38:34Z
  text: {"copyright_id":"0xda7475fa18deaa7c90afdef8337fdee485ff7490d2865a2ee2a20a6c875abd39","isrc":"PLC062387202","name":"Saga Trwa Nadal","registered_at":"2026-06-27T01:30:06Z","spotify_id":"7nEsuRCb69Nm2vcft6S59n","type":"track"}

To O Nich I Dla Nich
type: MusicRecording
duration: PT3M38S
duration ms: 218489
explicit: true
by artist: Killaz Group
in album: Nokaut (reedycja)
  type: MusicAlbum
  date published: 2023-12-08
isrc code: PLC062387203
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T10:52:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xaf776fb7cf8b353166775edd30d80963bbaa160e041a6bed738c66d6a587d164
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/3KLOh7xDMKGIAQt8sUE6Mv.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3KLOh7xDMKGIAQt8sUE6Mv
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xaf776fb7cf8b353166775edd30d80963bbaa160e041a6bed738c66d6a587d164","isrc":"PLC062387203","name":"To O Nich I Dla Nich","registered_at":"2026-06-19T10:52:13Z","spotify_id":"3KLOh7xDMKGIAQt8sUE6Mv","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 0xaf776fb7cf8b353166775edd30d80963bbaa160e041a6bed738c66d6a587d164. 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/3KLOh7xDMKGIAQt8sUE6Mv.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3KLOh7xDMKGIAQt8sUE6Mv.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xaf776fb7cf8b353166775edd30d80963bbaa160e041a6bed738c66d6a587d164","isrc":"PLC062387203","name":"To O Nich I Dla Nich","registered_at":"2026-06-19T10:52:13Z","spotify_id":"3KLOh7xDMKGIAQt8sUE6Mv","type":"track"}

Nokaut 2023
type: MusicRecording
duration: PT3M27S
duration ms: 207068
explicit: true
by artist: Killaz Group
in album: Nokaut (reedycja)
  type: MusicAlbum
  date published: 2023-12-08
isrc code: PLC062387204
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T01:44:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6cabd75ac049eb2198fc956cc9c34880256192b9227183bd7a8db1f282cf3b59
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/2TxrFNBrln3izkHcgAbB1A.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2TxrFNBrln3izkHcgAbB1A
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6cabd75ac049eb2198fc956cc9c34880256192b9227183bd7a8db1f282cf3b59","isrc":"PLC062387204","name":"Nokaut 2023","registered_at":"2026-06-21T01:44:54Z","spotify_id":"2TxrFNBrln3izkHcgAbB1A","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 0x6cabd75ac049eb2198fc956cc9c34880256192b9227183bd7a8db1f282cf3b59. 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/2TxrFNBrln3izkHcgAbB1A.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2TxrFNBrln3izkHcgAbB1A.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x6cabd75ac049eb2198fc956cc9c34880256192b9227183bd7a8db1f282cf3b59","isrc":"PLC062387204","name":"Nokaut 2023","registered_at":"2026-06-21T01:44:54Z","spotify_id":"2TxrFNBrln3izkHcgAbB1A","type":"track"}

Zjednoczone Emiraty Poznańskie - Magiera Remix
type: MusicRecording
duration: PT5M15S
duration ms: 315087
explicit: true
by artist: Killaz Group
in album: Nokaut (reedycja)
  type: MusicAlbum
  date published: 2023-12-08
isrc code: PLC062387205

Start
type: MusicRecording
duration: PT0M34S
duration ms: 34267
explicit: false
by artist: Killaz Group
by artist: Donguralesko
by artist: Kaczor
by artist: Magiera
in album: Nokaut (reedycja)
  type: MusicAlbum
  date published: 2023-12-08
isrc code: PLC062387187
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T12:56:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfe1f126693eac41ac68e0314df7938e1e827712f496eabd67993b14e281159f2
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/4v7MoSBu9aglbeSQvT1PhJ.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4v7MoSBu9aglbeSQvT1PhJ
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 0xfe1f126693eac41ac68e0314df7938e1e827712f496eabd67993b14e281159f2. 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/4v7MoSBu9aglbeSQvT1PhJ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4v7MoSBu9aglbeSQvT1PhJ.
  date published: 2026-07-02T05:09:12Z

Jestem Szejkiem
type: MusicRecording
duration: PT4M32S
duration ms: 272763
explicit: false
by artist: Killaz Group
by artist: Donguralesko
by artist: Kaczor
by artist: Magiera
by artist: Kasta
in album: Nokaut (reedycja)
  type: MusicAlbum
  date published: 2023-12-08
isrc code: PLC062387188
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T20:06:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf961e834adfc8622bcdb4489e25ac1effbcc7129360adc3e38f7847ac6ea3c57
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/3j3pViWwSWzvRKuQ4piVbl.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3j3pViWwSWzvRKuQ4piVbl
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf961e834adfc8622bcdb4489e25ac1effbcc7129360adc3e38f7847ac6ea3c57","isrc":"PLC062387188","name":"Jestem Szejkiem","registered_at":"2026-06-08T20:06:07Z","spotify_id":"3j3pViWwSWzvRKuQ4piVbl","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 0xf961e834adfc8622bcdb4489e25ac1effbcc7129360adc3e38f7847ac6ea3c57. 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/3j3pViWwSWzvRKuQ4piVbl.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3j3pViWwSWzvRKuQ4piVbl.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0xf961e834adfc8622bcdb4489e25ac1effbcc7129360adc3e38f7847ac6ea3c57","isrc":"PLC062387188","name":"Jestem Szejkiem","registered_at":"2026-06-08T20:06:07Z","spotify_id":"3j3pViWwSWzvRKuQ4piVbl","type":"track"}

Zjednoczone Emiraty Poznańskie
type: MusicRecording
duration: PT5M1S
duration ms: 301537
explicit: false
by artist: Killaz Group
by artist: Donguralesko
by artist: Kaczor
by artist: Magiera
in album: Nokaut (reedycja)
  type: MusicAlbum
  date published: 2023-12-08
isrc code: PLC062387189
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T01:52:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa91f7a326056744ecb1bdb817a5d44bc07cf34ad7e89da51aa42cd8313d63851
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/162BAaPzv6WQtTZmMAP92l.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/162BAaPzv6WQtTZmMAP92l
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa91f7a326056744ecb1bdb817a5d44bc07cf34ad7e89da51aa42cd8313d63851","isrc":"PLC062387189","name":"Zjednoczone Emiraty Poznańskie","registered_at":"2026-06-21T01:52:44Z","spotify_id":"162BAaPzv6WQtTZmMAP92l","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 0xa91f7a326056744ecb1bdb817a5d44bc07cf34ad7e89da51aa42cd8313d63851. 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/162BAaPzv6WQtTZmMAP92l.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/162BAaPzv6WQtTZmMAP92l.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xa91f7a326056744ecb1bdb817a5d44bc07cf34ad7e89da51aa42cd8313d63851","isrc":"PLC062387189","name":"Zjednoczone Emiraty Poznańskie","registered_at":"2026-06-21T01:52:44Z","spotify_id":"162BAaPzv6WQtTZmMAP92l","type":"track"}

Autobiografia
type: MusicRecording
duration: PT4M55S
duration ms: 295400
explicit: false
by artist: Killaz Group
by artist: Donguralesko
by artist: Kaczor
by artist: Magiera
in album: Nokaut (reedycja)
  type: MusicAlbum
  date published: 2023-12-08
isrc code: PLC062387190
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T00:27:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7bfaf8b8eadffaba3ae0882a8e0b4663c754e21789162484908b5e79fb53a2e9
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/1M30sbgjJFt6ne0p4fHCHw.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1M30sbgjJFt6ne0p4fHCHw
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 0x7bfaf8b8eadffaba3ae0882a8e0b4663c754e21789162484908b5e79fb53a2e9. 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/1M30sbgjJFt6ne0p4fHCHw.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1M30sbgjJFt6ne0p4fHCHw.
  date published: 2026-07-02T05:09:12Z

O Wszystkim I O Niczym
type: MusicRecording
duration: PT6M2S
duration ms: 362248
explicit: false
by artist: Killaz Group
by artist: Donguralesko
by artist: Kaczor
by artist: Don Tomalone
by artist: Rafi
by artist: Magiera
in album: Nokaut (reedycja)
  type: MusicAlbum
  date published: 2023-12-08
isrc code: PLC062387191
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T00:28:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x85378f75598156e083f981a7ee68a6cd8dfa641a6ed2727739c81ce82f901ba4
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/6p8Y7FoW42vxK6OCPW5CiQ.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6p8Y7FoW42vxK6OCPW5CiQ
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x85378f75598156e083f981a7ee68a6cd8dfa641a6ed2727739c81ce82f901ba4","isrc":"PLC062387191","name":"O Wszystkim I O Niczym","registered_at":"2026-06-22T00:28:01Z","spotify_id":"6p8Y7FoW42vxK6OCPW5CiQ","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 0x85378f75598156e083f981a7ee68a6cd8dfa641a6ed2727739c81ce82f901ba4. 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/6p8Y7FoW42vxK6OCPW5CiQ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6p8Y7FoW42vxK6OCPW5CiQ.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x85378f75598156e083f981a7ee68a6cd8dfa641a6ed2727739c81ce82f901ba4","isrc":"PLC062387191","name":"O Wszystkim I O Niczym","registered_at":"2026-06-22T00:28:01Z","spotify_id":"6p8Y7FoW42vxK6OCPW5CiQ","type":"track"}

Grunwaldzka Technika
type: MusicRecording
duration: PT3M22S
duration ms: 202158
explicit: false
by artist: Killaz Group
by artist: Donguralesko
by artist: Kaczor
by artist: Magiera
in album: Nokaut (reedycja)
  type: MusicAlbum
  date published: 2023-12-08
isrc code: PLC062387192
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T05:54:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x25041b18e5950899734a5d3d0fc08244d1474268084fdee56dba5e45ab2b2854
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/3numC2Su8k53G7aMF4Cyzx.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3numC2Su8k53G7aMF4Cyzx
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x25041b18e5950899734a5d3d0fc08244d1474268084fdee56dba5e45ab2b2854","isrc":"PLC062387192","name":"Grunwaldzka Technika","registered_at":"2026-06-20T05:54:27Z","spotify_id":"3numC2Su8k53G7aMF4Cyzx","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 0x25041b18e5950899734a5d3d0fc08244d1474268084fdee56dba5e45ab2b2854. 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/3numC2Su8k53G7aMF4Cyzx.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3numC2Su8k53G7aMF4Cyzx.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x25041b18e5950899734a5d3d0fc08244d1474268084fdee56dba5e45ab2b2854","isrc":"PLC062387192","name":"Grunwaldzka Technika","registered_at":"2026-06-20T05:54:27Z","spotify_id":"3numC2Su8k53G7aMF4Cyzx","type":"track"}

Pod Blokiem
type: MusicRecording
duration: PT4M26S
duration ms: 266679
explicit: false
by artist: Killaz Group
by artist: Donguralesko
by artist: Kaczor
by artist: Magiera
in album: Nokaut (reedycja)
  type: MusicAlbum
  date published: 2023-12-08
isrc code: PLC062387193
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T20:54:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe1ff809acdcbc3b07dabd786def24ab8d18586c8438b6ddd5199c6bd2b6b6a36
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956349
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956349
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1Ypp64xgOaw9epNMZGzaHR.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1Ypp64xgOaw9epNMZGzaHR
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:34:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe1ff809acdcbc3b07dabd786def24ab8d18586c8438b6ddd5199c6bd2b6b6a36","isrc":"PLC062387193","name":"Pod Blokiem","registered_at":"2026-06-25T20:54:16Z","spotify_id":"1Ypp64xgOaw9epNMZGzaHR","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 0xe1ff809acdcbc3b07dabd786def24ab8d18586c8438b6ddd5199c6bd2b6b6a36. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1Ypp64xgOaw9epNMZGzaHR.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1Ypp64xgOaw9epNMZGzaHR.
  date published: 2026-07-02T11:34:59Z
  text: {"copyright_id":"0xe1ff809acdcbc3b07dabd786def24ab8d18586c8438b6ddd5199c6bd2b6b6a36","isrc":"PLC062387193","name":"Pod Blokiem","registered_at":"2026-06-25T20:54:16Z","spotify_id":"1Ypp64xgOaw9epNMZGzaHR","type":"track"}

Spójrz Prawdzie W Oczy
type: MusicRecording
duration: PT4M12S
duration ms: 252519
explicit: false
by artist: Killaz Group
by artist: Donguralesko
by artist: Kaczor
by artist: Magiera
in album: Nokaut (reedycja)
  type: MusicAlbum
  date published: 2023-12-08
isrc code: PLC062387194
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T00:28:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa2cb3398fddd01c9e399aa081f251d7fdff8932e2e9b12120ad60d3a78bad896
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/7BzXHEuR7AebmcxMn7XiVL.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7BzXHEuR7AebmcxMn7XiVL
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa2cb3398fddd01c9e399aa081f251d7fdff8932e2e9b12120ad60d3a78bad896","isrc":"PLC062387194","name":"Spójrz Prawdzie W Oczy","registered_at":"2026-06-22T00:28:17Z","spotify_id":"7BzXHEuR7AebmcxMn7XiVL","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 0xa2cb3398fddd01c9e399aa081f251d7fdff8932e2e9b12120ad60d3a78bad896. 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/7BzXHEuR7AebmcxMn7XiVL.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7BzXHEuR7AebmcxMn7XiVL.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0xa2cb3398fddd01c9e399aa081f251d7fdff8932e2e9b12120ad60d3a78bad896","isrc":"PLC062387194","name":"Spójrz Prawdzie W Oczy","registered_at":"2026-06-22T00:28:17Z","spotify_id":"7BzXHEuR7AebmcxMn7XiVL","type":"track"}

Nokautow Szkoła
type: MusicRecording
duration: PT3M29S
duration ms: 209320
explicit: false
by artist: Killaz Group
by artist: Donguralesko
by artist: Kaczor
by artist: Magiera
in album: Nokaut (reedycja)
  type: MusicAlbum
  date published: 2023-12-08
isrc code: PLC062387195
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T01:48:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6757e12d82628e1b0875f2bbd56fd20790d6f877770a9a7afed772b5f70fc4a5
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/1a3U6uZHQwuqpGTV1aL2VD.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1a3U6uZHQwuqpGTV1aL2VD
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6757e12d82628e1b0875f2bbd56fd20790d6f877770a9a7afed772b5f70fc4a5","isrc":"PLC062387195","name":"Nokautow Szkoła","registered_at":"2026-06-27T01:48:13Z","spotify_id":"1a3U6uZHQwuqpGTV1aL2VD","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 0x6757e12d82628e1b0875f2bbd56fd20790d6f877770a9a7afed772b5f70fc4a5. 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/1a3U6uZHQwuqpGTV1aL2VD.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1a3U6uZHQwuqpGTV1aL2VD.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x6757e12d82628e1b0875f2bbd56fd20790d6f877770a9a7afed772b5f70fc4a5","isrc":"PLC062387195","name":"Nokautow Szkoła","registered_at":"2026-06-27T01:48:13Z","spotify_id":"1a3U6uZHQwuqpGTV1aL2VD","type":"track"}

Pewne Rzeczy
type: MusicRecording
duration: PT3M0S
duration ms: 180841
explicit: false
by artist: Killaz Group
by artist: Donguralesko
by artist: Kaczor
by artist: Kasta
by artist: Magiera
in album: Nokaut (reedycja)
  type: MusicAlbum
  date published: 2023-12-08
isrc code: PLC062387196
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T19:53:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4675acb6f956b79338ee04a2ec4d6137e69fa2363d2fe6718f0fa936e873a9af
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/4jjnl68cvpx1UyOkijrHLi.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4jjnl68cvpx1UyOkijrHLi
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4675acb6f956b79338ee04a2ec4d6137e69fa2363d2fe6718f0fa936e873a9af","isrc":"PLC062387196","name":"Pewne Rzeczy","registered_at":"2026-06-22T19:53:24Z","spotify_id":"4jjnl68cvpx1UyOkijrHLi","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 0x4675acb6f956b79338ee04a2ec4d6137e69fa2363d2fe6718f0fa936e873a9af. 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/4jjnl68cvpx1UyOkijrHLi.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4jjnl68cvpx1UyOkijrHLi.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x4675acb6f956b79338ee04a2ec4d6137e69fa2363d2fe6718f0fa936e873a9af","isrc":"PLC062387196","name":"Pewne Rzeczy","registered_at":"2026-06-22T19:53:24Z","spotify_id":"4jjnl68cvpx1UyOkijrHLi","type":"track"}

Betonowe Lasy
type: MusicRecording
duration: PT5M3S
duration ms: 303332
explicit: false
by artist: Killaz Group
by artist: Donguralesko
by artist: Kaczor
by artist: Magiera
in album: Nokaut (reedycja)
  type: MusicAlbum
  date published: 2023-12-08
isrc code: PLC062387197
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T09:33:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5e828184f3ec732e605c7dc50c93a0513a96fadf1ccc2447b16f3c37517bdf3f
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/5HNsuGnvv1mzEvu78AaIFH.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5HNsuGnvv1mzEvu78AaIFH
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5e828184f3ec732e605c7dc50c93a0513a96fadf1ccc2447b16f3c37517bdf3f","isrc":"PLC062387197","name":"Betonowe Lasy","registered_at":"2026-06-11T09:33:24Z","spotify_id":"5HNsuGnvv1mzEvu78AaIFH","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 0x5e828184f3ec732e605c7dc50c93a0513a96fadf1ccc2447b16f3c37517bdf3f. 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/5HNsuGnvv1mzEvu78AaIFH.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5HNsuGnvv1mzEvu78AaIFH.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x5e828184f3ec732e605c7dc50c93a0513a96fadf1ccc2447b16f3c37517bdf3f","isrc":"PLC062387197","name":"Betonowe Lasy","registered_at":"2026-06-11T09:33:24Z","spotify_id":"5HNsuGnvv1mzEvu78AaIFH","type":"track"}

Ile Elementów
type: MusicRecording
duration: PT1M45S
duration ms: 105983
explicit: false
by artist: Killaz Group
by artist: Donguralesko
by artist: Kaczor
by artist: Magiera
in album: Nokaut (reedycja)
  type: MusicAlbum
  date published: 2023-12-08
isrc code: PLC062387198
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T20:56:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd6f9419ed68c3ade6bbb0dec7ec2b04669ed81a91ded8976e8917cb86eaa89a2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956349
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956349
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3mUrKGPsGCMBt0CY9zoeYr.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3mUrKGPsGCMBt0CY9zoeYr
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:34:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd6f9419ed68c3ade6bbb0dec7ec2b04669ed81a91ded8976e8917cb86eaa89a2","isrc":"PLC062387198","name":"Ile Elementów","registered_at":"2026-06-25T20:56:42Z","spotify_id":"3mUrKGPsGCMBt0CY9zoeYr","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 0xd6f9419ed68c3ade6bbb0dec7ec2b04669ed81a91ded8976e8917cb86eaa89a2. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3mUrKGPsGCMBt0CY9zoeYr.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3mUrKGPsGCMBt0CY9zoeYr.
  date published: 2026-07-02T11:34:59Z
  text: {"copyright_id":"0xd6f9419ed68c3ade6bbb0dec7ec2b04669ed81a91ded8976e8917cb86eaa89a2","isrc":"PLC062387198","name":"Ile Elementów","registered_at":"2026-06-25T20:56:42Z","spotify_id":"3mUrKGPsGCMBt0CY9zoeYr","type":"track"}

G.R.U To Mój Dom
type: MusicRecording
duration: PT2M47S
duration ms: 167485
explicit: false
by artist: Killaz Group
by artist: Donguralesko
by artist: Kaczor
by artist: Magiera
in album: Nokaut (reedycja)
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  date published: 2023-12-08
isrc code: PLC062387199

Sprawdź Co Gram
type: MusicRecording
duration: PT3M58S
duration ms: 238141
explicit: false
by artist: Killaz Group
by artist: Donguralesko
by artist: Kaczor
by artist: Kasta
by artist: Magiera
in album: Nokaut (reedycja)
  type: MusicAlbum
  date published: 2023-12-08
isrc code: PLC062387200
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T13:43:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xee69473d3950b1bf1d01f48070281660066d75c6b6b3241eeb384c2648f8ce07
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/4A9GKmNpVNIkZl7Tumsyj5.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4A9GKmNpVNIkZl7Tumsyj5
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xee69473d3950b1bf1d01f48070281660066d75c6b6b3241eeb384c2648f8ce07","isrc":"PLC062387200","name":"Sprawdź Co Gram","registered_at":"2026-06-23T13:43:26Z","spotify_id":"4A9GKmNpVNIkZl7Tumsyj5","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 0xee69473d3950b1bf1d01f48070281660066d75c6b6b3241eeb384c2648f8ce07. 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/4A9GKmNpVNIkZl7Tumsyj5.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4A9GKmNpVNIkZl7Tumsyj5.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0xee69473d3950b1bf1d01f48070281660066d75c6b6b3241eeb384c2648f8ce07","isrc":"PLC062387200","name":"Sprawdź Co Gram","registered_at":"2026-06-23T13:43:26Z","spotify_id":"4A9GKmNpVNIkZl7Tumsyj5","type":"track"}

Mmmm...
type: MusicRecording
duration: PT3M29S
duration ms: 209172
explicit: false
by artist: Killaz Group
by artist: Donguralesko
by artist: Kaczor
by artist: Magiera
in album: Nokaut (reedycja)
  type: MusicAlbum
  date published: 2023-12-08
isrc code: PLC062387201
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T10:52:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2ed51a66f0c726b8e0ba12028bda0c0f52241300b44fd7cdedd3b267f46357e2
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/74tCyHlMzlllzeRumt6Abz.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/74tCyHlMzlllzeRumt6Abz
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 0x2ed51a66f0c726b8e0ba12028bda0c0f52241300b44fd7cdedd3b267f46357e2. 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/74tCyHlMzlllzeRumt6Abz.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/74tCyHlMzlllzeRumt6Abz.
  date published: 2026-07-02T03:55:08Z

Saga Trwa Nadal
type: MusicRecording
duration: PT5M4S
duration ms: 304111
explicit: false
by artist: Killaz Group
by artist: Donguralesko
by artist: Kaczor
by artist: Qlop
by artist: Bubel
by artist: Magiera
in album: Nokaut (reedycja)
  type: MusicAlbum
  date published: 2023-12-08
isrc code: PLC062387202
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T01:30:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xda7475fa18deaa7c90afdef8337fdee485ff7490d2865a2ee2a20a6c875abd39
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956351
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7nEsuRCb69Nm2vcft6S59n.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7nEsuRCb69Nm2vcft6S59n
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:38:34Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xda7475fa18deaa7c90afdef8337fdee485ff7490d2865a2ee2a20a6c875abd39","isrc":"PLC062387202","name":"Saga Trwa Nadal","registered_at":"2026-06-27T01:30:06Z","spotify_id":"7nEsuRCb69Nm2vcft6S59n","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 0xda7475fa18deaa7c90afdef8337fdee485ff7490d2865a2ee2a20a6c875abd39. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7nEsuRCb69Nm2vcft6S59n.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7nEsuRCb69Nm2vcft6S59n.
  date published: 2026-07-02T11:38:34Z
  text: {"copyright_id":"0xda7475fa18deaa7c90afdef8337fdee485ff7490d2865a2ee2a20a6c875abd39","isrc":"PLC062387202","name":"Saga Trwa Nadal","registered_at":"2026-06-27T01:30:06Z","spotify_id":"7nEsuRCb69Nm2vcft6S59n","type":"track"}

To O Nich I Dla Nich
type: MusicRecording
duration: PT3M38S
duration ms: 218489
explicit: false
by artist: Killaz Group
by artist: Donguralesko
by artist: Kaczor
by artist: Magiera
in album: Nokaut (reedycja)
  type: MusicAlbum
  date published: 2023-12-08
isrc code: PLC062387203
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T10:52:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xaf776fb7cf8b353166775edd30d80963bbaa160e041a6bed738c66d6a587d164
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/3KLOh7xDMKGIAQt8sUE6Mv.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3KLOh7xDMKGIAQt8sUE6Mv
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xaf776fb7cf8b353166775edd30d80963bbaa160e041a6bed738c66d6a587d164","isrc":"PLC062387203","name":"To O Nich I Dla Nich","registered_at":"2026-06-19T10:52:13Z","spotify_id":"3KLOh7xDMKGIAQt8sUE6Mv","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 0xaf776fb7cf8b353166775edd30d80963bbaa160e041a6bed738c66d6a587d164. 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/3KLOh7xDMKGIAQt8sUE6Mv.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3KLOh7xDMKGIAQt8sUE6Mv.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xaf776fb7cf8b353166775edd30d80963bbaa160e041a6bed738c66d6a587d164","isrc":"PLC062387203","name":"To O Nich I Dla Nich","registered_at":"2026-06-19T10:52:13Z","spotify_id":"3KLOh7xDMKGIAQt8sUE6Mv","type":"track"}

Nokaut 2023
type: MusicRecording
duration: PT3M27S
duration ms: 207068
explicit: false
by artist: Killaz Group
by artist: Donguralesko
by artist: Kaczor
by artist: Magiera
in album: Nokaut (reedycja)
  type: MusicAlbum
  date published: 2023-12-08
isrc code: PLC062387204
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T01:44:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6cabd75ac049eb2198fc956cc9c34880256192b9227183bd7a8db1f282cf3b59
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/2TxrFNBrln3izkHcgAbB1A.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2TxrFNBrln3izkHcgAbB1A
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6cabd75ac049eb2198fc956cc9c34880256192b9227183bd7a8db1f282cf3b59","isrc":"PLC062387204","name":"Nokaut 2023","registered_at":"2026-06-21T01:44:54Z","spotify_id":"2TxrFNBrln3izkHcgAbB1A","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 0x6cabd75ac049eb2198fc956cc9c34880256192b9227183bd7a8db1f282cf3b59. 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/2TxrFNBrln3izkHcgAbB1A.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2TxrFNBrln3izkHcgAbB1A.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x6cabd75ac049eb2198fc956cc9c34880256192b9227183bd7a8db1f282cf3b59","isrc":"PLC062387204","name":"Nokaut 2023","registered_at":"2026-06-21T01:44:54Z","spotify_id":"2TxrFNBrln3izkHcgAbB1A","type":"track"}

Zjednoczone Emiraty Poznańskie - Magiera Remix
type: MusicRecording
duration: PT5M15S
duration ms: 315087
explicit: false
by artist: Killaz Group
by artist: Donguralesko
by artist: Kaczor
by artist: Magiera
in album: Nokaut (reedycja)
  type: MusicAlbum
  date published: 2023-12-08
isrc code: PLC062387205

Intro (prod: Mixer)
type: MusicRecording
duration: PT4M9S
duration ms: 249520
explicit: false
by artist: Killaz Group
by artist: Donguralesko
by artist: Kaczor
in album: Operacja Kocia Karma
  type: MusicAlbum
  date published: 2007-01-01
isrc code: PLH511200177
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T12:55:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb480266808d2a9e99db44c81c68dcaec64d917b02c98146818d784ca9cbc9469
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/4rnnwejikILKAGWpil6Lz3.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4rnnwejikILKAGWpil6Lz3
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb480266808d2a9e99db44c81c68dcaec64d917b02c98146818d784ca9cbc9469","isrc":"PLH511200177","name":"Intro (prod: Mixer)","registered_at":"2026-06-24T12:55:21Z","spotify_id":"4rnnwejikILKAGWpil6Lz3","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 0xb480266808d2a9e99db44c81c68dcaec64d917b02c98146818d784ca9cbc9469. 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/4rnnwejikILKAGWpil6Lz3.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4rnnwejikILKAGWpil6Lz3.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0xb480266808d2a9e99db44c81c68dcaec64d917b02c98146818d784ca9cbc9469","isrc":"PLH511200177","name":"Intro (prod: Mixer)","registered_at":"2026-06-24T12:55:21Z","spotify_id":"4rnnwejikILKAGWpil6Lz3","type":"track"}