Kaczor
type: MusicGroup
popularity: 36
followers: 60001
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdd5483e373126778cacd4dce44ac8050e5a4ab5d287f98cd8e3b4935c9038f2b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c4579511-9fcf-40b8-9b81-60072e38c3a9.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c4579511-9fcf-40b8-9b81-60072e38c3a9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c4579511-9fcf-40b8-9b81-60072e38c3a9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd5483e373126778cacd4dce44ac8050e5a4ab5d287f98cd8e3b4935c9038f2b. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c4579511-9fcf-40b8-9b81-60072e38c3a9.json and https://artists.proofprofile.net/proofs/artist/c4579511-9fcf-40b8-9b81-60072e38c3a9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
album: Śmigus Dyngus
  type: MusicAlbum
  date published: 2024-04-01
  track: Śmigus Dyngus
    type: MusicRecording
    duration: PT3M35S
    duration ms: 215013
    explicit: false
    by artist: Donguralesko
    by artist: Shellerini
    by artist: Kaczor
    by artist: TASTYdope
    in album: Śmigus Dyngus
      type: MusicAlbum
      date published: 2024-04-01
    isrc code: PLC062409719
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-07T08:18:14+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xfdb41f79f0a3c643511615c0ef03ac51d3a0917b0ea2323e90ad043b9a495332
    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/1OhNrUhHd3iN9kyV4ZiaKA.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1OhNrUhHd3iN9kyV4ZiaKA
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-02T05:09:12Z
    additional property: OTSCanonicalRecord
      type: PropertyValue
      value: {"copyright_id":"0xfdb41f79f0a3c643511615c0ef03ac51d3a0917b0ea2323e90ad043b9a495332","isrc":"PLC062409719","name":"Śmigus Dyngus","registered_at":"2026-06-07T08:18:14Z","spotify_id":"1OhNrUhHd3iN9kyV4ZiaKA","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 0xfdb41f79f0a3c643511615c0ef03ac51d3a0917b0ea2323e90ad043b9a495332. 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/1OhNrUhHd3iN9kyV4ZiaKA.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1OhNrUhHd3iN9kyV4ZiaKA.
      date published: 2026-07-02T05:09:12Z
      text: {"copyright_id":"0xfdb41f79f0a3c643511615c0ef03ac51d3a0917b0ea2323e90ad043b9a495332","isrc":"PLC062409719","name":"Śmigus Dyngus","registered_at":"2026-06-07T08:18:14Z","spotify_id":"1OhNrUhHd3iN9kyV4ZiaKA","type":"track"}
track: Słowiańska Krew
  type: MusicRecording
  duration: PT4M22S
  duration ms: 262675
  explicit: false
  by artist: Donatan
  by artist: Gural
  by artist: Sheller
  by artist: Kaczor
  by artist: RY23
  by artist: Rafi
  in album: Równonoc Słowiańska Dusza
    type: MusicAlbum
    date published: 2012-10-26
  isrc code: PLH181200012
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T04:29:09+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xab53f6dbb820ffe494fdf017c0c6cfe95365c0d6bc83b0b62f9f62a416086ce8
  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/09D497wzld16P5xosQuV88.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/09D497wzld16P5xosQuV88
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xab53f6dbb820ffe494fdf017c0c6cfe95365c0d6bc83b0b62f9f62a416086ce8","isrc":"PLH181200012","name":"Słowiańska Krew","registered_at":"2026-06-08T04:29:09Z","spotify_id":"09D497wzld16P5xosQuV88","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 0xab53f6dbb820ffe494fdf017c0c6cfe95365c0d6bc83b0b62f9f62a416086ce8. 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/09D497wzld16P5xosQuV88.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/09D497wzld16P5xosQuV88.
    date published: 2026-06-13T13:32:09Z
    text: {"copyright_id":"0xab53f6dbb820ffe494fdf017c0c6cfe95365c0d6bc83b0b62f9f62a416086ce8","isrc":"PLH181200012","name":"Słowiańska Krew","registered_at":"2026-06-08T04:29:09Z","spotify_id":"09D497wzld16P5xosQuV88","type":"track"}
track: Śmigus Dyngus
  type: MusicRecording
  duration: PT3M35S
  duration ms: 215013
  explicit: false
  by artist: Donguralesko
  by artist: Shellerini
  by artist: Kaczor
  by artist: TASTYdope
  in album: Śmigus Dyngus
    type: MusicAlbum
    date published: 2024-04-01
  isrc code: PLC062409719
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T08:18:14+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xfdb41f79f0a3c643511615c0ef03ac51d3a0917b0ea2323e90ad043b9a495332
  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/1OhNrUhHd3iN9kyV4ZiaKA.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1OhNrUhHd3iN9kyV4ZiaKA
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xfdb41f79f0a3c643511615c0ef03ac51d3a0917b0ea2323e90ad043b9a495332","isrc":"PLC062409719","name":"Śmigus Dyngus","registered_at":"2026-06-07T08:18:14Z","spotify_id":"1OhNrUhHd3iN9kyV4ZiaKA","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 0xfdb41f79f0a3c643511615c0ef03ac51d3a0917b0ea2323e90ad043b9a495332. 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/1OhNrUhHd3iN9kyV4ZiaKA.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1OhNrUhHd3iN9kyV4ZiaKA.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0xfdb41f79f0a3c643511615c0ef03ac51d3a0917b0ea2323e90ad043b9a495332","isrc":"PLC062409719","name":"Śmigus Dyngus","registered_at":"2026-06-07T08:18:14Z","spotify_id":"1OhNrUhHd3iN9kyV4ZiaKA","type":"track"}
track: P.D.G. (prod. White House)
  type: MusicRecording
  duration: PT5M16S
  duration ms: 316696
  explicit: false
  by artist: Donguralesko
  by artist: Szpaku
  by artist: Rafi
  by artist: Kaczor
  by artist: Don Tomalone
  by artist: Buba
  by artist: Koni
  by artist: Qlop
  by artist: Shellerini
  in album: Opowieści z betonowego lasu
  isrc code: PLH511200033
  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: 2 strona medalu (prod. White House)
track: Lecimy od lat (5rmx)
track: Czworka
track: Piątek
track: Oktagon
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

Kaczor
type: MusicGroup

Don Tomalone
type: MusicGroup

Buba
type: MusicGroup

Koni
type: MusicGroup

Qlop
type: MusicGroup

Shellerini
type: MusicGroup

Opowieści z betonowego lasu
type: MusicAlbum
date published: 2017-01-01

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-18T11:55:30+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x1fdc568df9ab8bac7c239a12f77b03690f82a621dc2aa675fefd17c34e534d52

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956304

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

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/7dryKnfzy9rOjyIXz8m11i.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7dryKnfzy9rOjyIXz8m11i

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

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x1fdc568df9ab8bac7c239a12f77b03690f82a621dc2aa675fefd17c34e534d52","isrc":"PLH511200033","name":"P.D.G. (prod. White House)","registered_at":"2026-06-18T11:55:30Z","spotify_id":"7dryKnfzy9rOjyIXz8m11i","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 0x1fdc568df9ab8bac7c239a12f77b03690f82a621dc2aa675fefd17c34e534d52. 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/7dryKnfzy9rOjyIXz8m11i.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7dryKnfzy9rOjyIXz8m11i.
date published: 2026-07-02T03:55:08Z
text: {"copyright_id":"0x1fdc568df9ab8bac7c239a12f77b03690f82a621dc2aa675fefd17c34e534d52","isrc":"PLH511200033","name":"P.D.G. (prod. White House)","registered_at":"2026-06-18T11:55:30Z","spotify_id":"7dryKnfzy9rOjyIXz8m11i","type":"track"}

2 strona medalu (prod. White House)
type: MusicRecording
duration: PT3M56S
duration ms: 236773
explicit: false
by artist: Donguralesko
by artist: Kaczor
by artist: Dj Orko
in album: Opowieści z betonowego lasu
  type: MusicAlbum
  date published: 2017-01-01
isrc code: PLH511200027
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T08:06:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8c8f064fda6cc97b215d03788ff90af78f72538a8ffadc50681845c6a1a39403
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/1Jur2bZswk7daFNb5YuMAA.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1Jur2bZswk7daFNb5YuMAA
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8c8f064fda6cc97b215d03788ff90af78f72538a8ffadc50681845c6a1a39403","isrc":"PLH511200027","name":"2 strona medalu (prod. White House)","registered_at":"2026-06-25T08:06:44Z","spotify_id":"1Jur2bZswk7daFNb5YuMAA","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 0x8c8f064fda6cc97b215d03788ff90af78f72538a8ffadc50681845c6a1a39403. 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/1Jur2bZswk7daFNb5YuMAA.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1Jur2bZswk7daFNb5YuMAA.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x8c8f064fda6cc97b215d03788ff90af78f72538a8ffadc50681845c6a1a39403","isrc":"PLH511200027","name":"2 strona medalu (prod. White House)","registered_at":"2026-06-25T08:06:44Z","spotify_id":"1Jur2bZswk7daFNb5YuMAA","type":"track"}

Lecimy od lat (5rmx)
type: MusicRecording
duration: PT1M17S
duration ms: 77026
explicit: false
by artist: Dj Decks
by artist: Kali
by artist: Kaczor
in album: Mixtape 3654
  type: MusicAlbum
  date published: 2018-12-14
isrc code: PLC061807408
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T00:14:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7973c9fbb486c5d53150ab94e514be36dc6c8312fe637828886a48e569a65275
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/79iuEsdRflNXdw3VmZObU5.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/79iuEsdRflNXdw3VmZObU5
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7973c9fbb486c5d53150ab94e514be36dc6c8312fe637828886a48e569a65275","isrc":"PLC061807408","name":"Lecimy od lat (5rmx)","registered_at":"2026-06-22T00:14:46Z","spotify_id":"79iuEsdRflNXdw3VmZObU5","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 0x7973c9fbb486c5d53150ab94e514be36dc6c8312fe637828886a48e569a65275. 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/79iuEsdRflNXdw3VmZObU5.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/79iuEsdRflNXdw3VmZObU5.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x7973c9fbb486c5d53150ab94e514be36dc6c8312fe637828886a48e569a65275","isrc":"PLC061807408","name":"Lecimy od lat (5rmx)","registered_at":"2026-06-22T00:14:46Z","spotify_id":"79iuEsdRflNXdw3VmZObU5","type":"track"}

Czworka
type: MusicRecording
duration: PT5M18S
duration ms: 318106
explicit: false
by artist: Peja
by artist: Glon
by artist: Gandzior
by artist: Kaczor
by artist: White House
in album: Kodex: Wyrok
  type: MusicAlbum
  date published: 2007-10-12
isrc code: PLF391400175
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T00:58:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9381de1bbd3bc73fbac9430833308986570d905efd0812812606492df9be3784
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/0kS9DX4OPzpaGOSTzDGIxW.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0kS9DX4OPzpaGOSTzDGIxW
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 0x9381de1bbd3bc73fbac9430833308986570d905efd0812812606492df9be3784. 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/0kS9DX4OPzpaGOSTzDGIxW.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0kS9DX4OPzpaGOSTzDGIxW.
  date published: 2026-07-02T05:09:12Z

Piątek
type: MusicRecording
duration: PT4M0S
duration ms: 240815
explicit: false
by artist: Jongmen
by artist: Kaczor
by artist: Sobota
in album: Znaki
  type: MusicAlbum
  date published: 2018-04-13
isrc code: PLC061806525

Oktagon
type: MusicRecording
duration: PT2M56S
duration ms: 176416
explicit: false
by artist: Kaczor
in album: Moja walka OST
  type: MusicAlbum
  date published: 2016-11-23

Śmigus Dyngus
type: MusicRecording
duration: PT3M35S
duration ms: 215013
explicit: false
by artist: Donguralesko
by artist: Shellerini
by artist: Kaczor
by artist: TASTYdope
in album: MIEJSKIE PTAKI
  type: MusicAlbum
  date published: 2024-05-17
isrc code: PLC062409719
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T08:18:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfdb41f79f0a3c643511615c0ef03ac51d3a0917b0ea2323e90ad043b9a495332
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953515
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7kz3y3dXGbqzZrJUBklrdr.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7kz3y3dXGbqzZrJUBklrdr
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xfdb41f79f0a3c643511615c0ef03ac51d3a0917b0ea2323e90ad043b9a495332","isrc":"PLC062409719","name":"Śmigus Dyngus","registered_at":"2026-06-07T08:18:14Z","spotify_id":"7kz3y3dXGbqzZrJUBklrdr","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 0xfdb41f79f0a3c643511615c0ef03ac51d3a0917b0ea2323e90ad043b9a495332. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7kz3y3dXGbqzZrJUBklrdr.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7kz3y3dXGbqzZrJUBklrdr.
  date published: 2026-06-13T12:53:06Z
  text: {"copyright_id":"0xfdb41f79f0a3c643511615c0ef03ac51d3a0917b0ea2323e90ad043b9a495332","isrc":"PLC062409719","name":"Śmigus Dyngus","registered_at":"2026-06-07T08:18:14Z","spotify_id":"7kz3y3dXGbqzZrJUBklrdr","type":"track"}

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
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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"}