Carcass
type: MusicGroup
genre: death metal
genre: grindcore
genre: melodic death metal
genre: metal
popularity: 49
followers: 434501
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9523ba7ec8a97d23bc5841d3afe250b7851294d96dbfebfd108820a57028082b
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/bd88edc5-5642-40fc-87ae-1a1431640051.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/bd88edc5-5642-40fc-87ae-1a1431640051.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/bd88edc5-5642-40fc-87ae-1a1431640051
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 0x9523ba7ec8a97d23bc5841d3afe250b7851294d96dbfebfd108820a57028082b. 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/bd88edc5-5642-40fc-87ae-1a1431640051.json and https://artists.proofprofile.net/proofs/artist/bd88edc5-5642-40fc-87ae-1a1431640051.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
album: Swansong
  type: MusicAlbum
  date published: 1970-01-01
  track: Keep On Rotting in the Free World
    type: MusicRecording
    duration: PT3M40S
    duration ms: 220800
    explicit: false
    by artist: Carcass
    in album: Swansong
      type: MusicAlbum
      date published: 1970-01-01
    isrc code: GBBPB0700843
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-04T11:25:25+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x3d45961c27018f666aeedfc41942c3de4310c17a8ecf1808fb8f4a0d34c2e7d8
    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/57Gu14wW9hFBUmJ0LpmzmA.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/57Gu14wW9hFBUmJ0LpmzmA
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-06-13T12:47:07Z
    additional property: OTSCanonicalRecord
      type: PropertyValue
      value: {"copyright_id":"0x3d45961c27018f666aeedfc41942c3de4310c17a8ecf1808fb8f4a0d34c2e7d8","isrc":"GBBPB0700843","name":"Keep On Rotting in the Free World","registered_at":"2026-06-04T11:25:25Z","spotify_id":"57Gu14wW9hFBUmJ0LpmzmA","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 0x3d45961c27018f666aeedfc41942c3de4310c17a8ecf1808fb8f4a0d34c2e7d8. 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/57Gu14wW9hFBUmJ0LpmzmA.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/57Gu14wW9hFBUmJ0LpmzmA.
      date published: 2026-06-13T12:47:07Z
      text: {"copyright_id":"0x3d45961c27018f666aeedfc41942c3de4310c17a8ecf1808fb8f4a0d34c2e7d8","isrc":"GBBPB0700843","name":"Keep On Rotting in the Free World","registered_at":"2026-06-04T11:25:25Z","spotify_id":"57Gu14wW9hFBUmJ0LpmzmA","type":"track"}
  track: Tomorrow Belongs to Nobody
    type: MusicRecording
    duration: PT4M17S
    duration ms: 257773
    explicit: false
    by artist: Carcass
    in album: Swansong
      type: MusicAlbum
      date published: 1970-01-01
    isrc code: GBBPB0700844
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-04T13:32:01+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x97d91a64321b7681e28740aa0a2ef7bbfc15b639ad8a72f62cfa2fd9e8a4f691
    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/0byhWeZAMhLvZwkwgA9J5C.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0byhWeZAMhLvZwkwgA9J5C
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-06-13T15:41:10Z
    additional property: OTSCanonicalRecord
      type: PropertyValue
      value: {"copyright_id":"0x97d91a64321b7681e28740aa0a2ef7bbfc15b639ad8a72f62cfa2fd9e8a4f691","isrc":"GBBPB0700844","name":"Tomorrow Belongs to Nobody","registered_at":"2026-06-04T13:32:01Z","spotify_id":"0byhWeZAMhLvZwkwgA9J5C","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 0x97d91a64321b7681e28740aa0a2ef7bbfc15b639ad8a72f62cfa2fd9e8a4f691. 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/0byhWeZAMhLvZwkwgA9J5C.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0byhWeZAMhLvZwkwgA9J5C.
      date published: 2026-06-13T15:41:10Z
      text: {"copyright_id":"0x97d91a64321b7681e28740aa0a2ef7bbfc15b639ad8a72f62cfa2fd9e8a4f691","isrc":"GBBPB0700844","name":"Tomorrow Belongs to Nobody","registered_at":"2026-06-04T13:32:01Z","spotify_id":"0byhWeZAMhLvZwkwgA9J5C","type":"track"}
  track: Black Star
    type: MusicRecording
    duration: PT3M28S
    duration ms: 208600
    explicit: false
    by artist: Carcass
    in album: Swansong
      type: MusicAlbum
      date published: 1970-01-01
    isrc code: GBBPB0700845
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-04T09:59:11+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x4e6231a0d174c628d072165f4b2dbb37ad118ba9127d539a911833d199fb82fb
    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/5Nodfi0wQT9QANl0KlAo7B.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5Nodfi0wQT9QANl0KlAo7B
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-06-13T12:47:07Z
    additional property: OTSCanonicalRecord
      type: PropertyValue
      value: {"copyright_id":"0x4e6231a0d174c628d072165f4b2dbb37ad118ba9127d539a911833d199fb82fb","isrc":"GBBPB0700845","name":"Black Star","registered_at":"2026-06-04T09:59:11Z","spotify_id":"5Nodfi0wQT9QANl0KlAo7B","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 0x4e6231a0d174c628d072165f4b2dbb37ad118ba9127d539a911833d199fb82fb. 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/5Nodfi0wQT9QANl0KlAo7B.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5Nodfi0wQT9QANl0KlAo7B.
      date published: 2026-06-13T12:47:07Z
      text: {"copyright_id":"0x4e6231a0d174c628d072165f4b2dbb37ad118ba9127d539a911833d199fb82fb","isrc":"GBBPB0700845","name":"Black Star","registered_at":"2026-06-04T09:59:11Z","spotify_id":"5Nodfi0wQT9QANl0KlAo7B","type":"track"}
  track: Cross My Heart
    type: MusicRecording
    duration: PT3M33S
    duration ms: 213746
    explicit: false
    by artist: Carcass
    in album: Swansong
      type: MusicAlbum
      date published: 1970-01-01
    isrc code: GBBPB0700846
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-07T10:43:05+00:00
    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: Childs Play
  track: Room 101
  track: Polarized
  track: Generation Hexed
  track: Firm Hand
  track: R**k the Vote
  track: Dont Believe a Word
  track: Go to Hell
album: Necroticism - Descanting the Insalubrious
track: Black Star
track: Keep On Rotting in the Free World
track: Tomorrow Belongs to Nobody
track: R**k the Vote
track: Corporal Jigsore Quandary
track: Childs Play
track: Cross My Heart
track: Polarized
track: Room 101
track: Generation Hexed
track: Go to Hell
track: Firm Hand
track: Dont Believe a Word
track: A Wraith in the Apparatus
track: Heartwork
track: Exhume to Consume - BBC Session

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x937f7165b9f63ac7018685c48da6beae5615c4a238504a7fc52fe444a5f764ae

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 953536

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

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/1ORcoAD5ouVwZT1si9S6Wz.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1ORcoAD5ouVwZT1si9S6Wz

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

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x937f7165b9f63ac7018685c48da6beae5615c4a238504a7fc52fe444a5f764ae","isrc":"GBBPB0700846","name":"Cross My Heart","registered_at":"2026-06-07T10:43:05Z","spotify_id":"1ORcoAD5ouVwZT1si9S6Wz","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 0x937f7165b9f63ac7018685c48da6beae5615c4a238504a7fc52fe444a5f764ae. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1ORcoAD5ouVwZT1si9S6Wz.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1ORcoAD5ouVwZT1si9S6Wz.
date published: 2026-06-13T17:25:41Z
text: {"copyright_id":"0x937f7165b9f63ac7018685c48da6beae5615c4a238504a7fc52fe444a5f764ae","isrc":"GBBPB0700846","name":"Cross My Heart","registered_at":"2026-06-07T10:43:05Z","spotify_id":"1ORcoAD5ouVwZT1si9S6Wz","type":"track"}

Childs Play
type: MusicRecording
duration: PT5M42S
duration ms: 342320
explicit: false
by artist: Carcass
in album: Swansong
  type: MusicAlbum
  date published: 1970-01-01
isrc code: GBBPB0700847
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T15:34:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xaf7a12ec18f73c583c5db937471e0d9f0babca828f86cf4d9b4aa6194e0e1507
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4SOvJC2XPP2esm3MssVIpb.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4SOvJC2XPP2esm3MssVIpb
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xaf7a12ec18f73c583c5db937471e0d9f0babca828f86cf4d9b4aa6194e0e1507","isrc":"GBBPB0700847","name":"Childs Play","registered_at":"2026-06-05T15:34:37Z","spotify_id":"4SOvJC2XPP2esm3MssVIpb","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 0xaf7a12ec18f73c583c5db937471e0d9f0babca828f86cf4d9b4aa6194e0e1507. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4SOvJC2XPP2esm3MssVIpb.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4SOvJC2XPP2esm3MssVIpb.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xaf7a12ec18f73c583c5db937471e0d9f0babca828f86cf4d9b4aa6194e0e1507","isrc":"GBBPB0700847","name":"Childs Play","registered_at":"2026-06-05T15:34:37Z","spotify_id":"4SOvJC2XPP2esm3MssVIpb","type":"track"}

Room 101
type: MusicRecording
duration: PT4M35S
duration ms: 275640
explicit: false
by artist: Carcass
in album: Swansong
  type: MusicAlbum
  date published: 1970-01-01
isrc code: GBBPB0700848
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T18:15:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6c0d0c7a823fef9f905c986e6cb7d3b1b12d50cd1b671ba2ff47dbcc7967100d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6UGo2ormyIpy1YpItmlem4.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6UGo2ormyIpy1YpItmlem4
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6c0d0c7a823fef9f905c986e6cb7d3b1b12d50cd1b671ba2ff47dbcc7967100d","isrc":"GBBPB0700848","name":"Room 101","registered_at":"2026-06-07T18:15:00Z","spotify_id":"6UGo2ormyIpy1YpItmlem4","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 0x6c0d0c7a823fef9f905c986e6cb7d3b1b12d50cd1b671ba2ff47dbcc7967100d. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6UGo2ormyIpy1YpItmlem4.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6UGo2ormyIpy1YpItmlem4.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x6c0d0c7a823fef9f905c986e6cb7d3b1b12d50cd1b671ba2ff47dbcc7967100d","isrc":"GBBPB0700848","name":"Room 101","registered_at":"2026-06-07T18:15:00Z","spotify_id":"6UGo2ormyIpy1YpItmlem4","type":"track"}

Polarized
type: MusicRecording
duration: PT4M1S
duration ms: 241573
explicit: false
by artist: Carcass
in album: Swansong
  type: MusicAlbum
  date published: 1970-01-01
isrc code: GBBPB0700849
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T04:56:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdcc25181f71898abbf81ff602c6e462013d49563277ce50bdcf454b5b61ccc23
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/2gFvhppFeZHCI0EzIEk0ty.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2gFvhppFeZHCI0EzIEk0ty
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdcc25181f71898abbf81ff602c6e462013d49563277ce50bdcf454b5b61ccc23. 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/2gFvhppFeZHCI0EzIEk0ty.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2gFvhppFeZHCI0EzIEk0ty.
  date published: 2026-06-13T15:41:10Z

Generation Hexed
type: MusicRecording
duration: PT3M47S
duration ms: 227346
explicit: false
by artist: Carcass
in album: Swansong
  type: MusicAlbum
  date published: 1970-01-01
isrc code: GBBPB0700850
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T08:45:51+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1d0d6eea571e7b346200ab6c3402071879a8bc78f0c28db0723f9b866d35791e
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/4am0ph8UewaPzAPipFaDRe.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4am0ph8UewaPzAPipFaDRe
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1d0d6eea571e7b346200ab6c3402071879a8bc78f0c28db0723f9b866d35791e","isrc":"GBBPB0700850","name":"Generation Hexed","registered_at":"2026-06-08T08:45:51Z","spotify_id":"4am0ph8UewaPzAPipFaDRe","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 0x1d0d6eea571e7b346200ab6c3402071879a8bc78f0c28db0723f9b866d35791e. 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/4am0ph8UewaPzAPipFaDRe.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4am0ph8UewaPzAPipFaDRe.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x1d0d6eea571e7b346200ab6c3402071879a8bc78f0c28db0723f9b866d35791e","isrc":"GBBPB0700850","name":"Generation Hexed","registered_at":"2026-06-08T08:45:51Z","spotify_id":"4am0ph8UewaPzAPipFaDRe","type":"track"}

Firm Hand
type: MusicRecording
duration: PT5M22S
duration ms: 322626
explicit: false
by artist: Carcass
in album: Swansong
  type: MusicAlbum
  date published: 1970-01-01
isrc code: GBBPB0700851
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T02:08:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x56df1867e715c2dd6fafc4a53fd6b3a9651e4b7e688aacdfe2e8e2db27438f06
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/3Ce3ui0v0MsG7IELorH3Lz.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3Ce3ui0v0MsG7IELorH3Lz
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x56df1867e715c2dd6fafc4a53fd6b3a9651e4b7e688aacdfe2e8e2db27438f06","isrc":"GBBPB0700851","name":"Firm Hand","registered_at":"2026-06-09T02:08:39Z","spotify_id":"3Ce3ui0v0MsG7IELorH3Lz","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 0x56df1867e715c2dd6fafc4a53fd6b3a9651e4b7e688aacdfe2e8e2db27438f06. 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/3Ce3ui0v0MsG7IELorH3Lz.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3Ce3ui0v0MsG7IELorH3Lz.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x56df1867e715c2dd6fafc4a53fd6b3a9651e4b7e688aacdfe2e8e2db27438f06","isrc":"GBBPB0700851","name":"Firm Hand","registered_at":"2026-06-09T02:08:39Z","spotify_id":"3Ce3ui0v0MsG7IELorH3Lz","type":"track"}

R**k the Vote
type: MusicRecording
duration: PT3M52S
duration ms: 232400
explicit: false
by artist: Carcass
in album: Swansong
  type: MusicAlbum
  date published: 1970-01-01
isrc code: GBBPB0700852
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T07:07:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x52bcc64b3332d5e656b18f9868bb52a00a39d2291fd98e0a53b632bd752ed144
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/71ZeZQVaJIPGrbsQqYBmMI.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/71ZeZQVaJIPGrbsQqYBmMI
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x52bcc64b3332d5e656b18f9868bb52a00a39d2291fd98e0a53b632bd752ed144","isrc":"GBBPB0700852","name":"R**k the Vote","registered_at":"2026-06-05T07:07:31Z","spotify_id":"71ZeZQVaJIPGrbsQqYBmMI","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 0x52bcc64b3332d5e656b18f9868bb52a00a39d2291fd98e0a53b632bd752ed144. 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/71ZeZQVaJIPGrbsQqYBmMI.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/71ZeZQVaJIPGrbsQqYBmMI.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x52bcc64b3332d5e656b18f9868bb52a00a39d2291fd98e0a53b632bd752ed144","isrc":"GBBPB0700852","name":"R**k the Vote","registered_at":"2026-06-05T07:07:31Z","spotify_id":"71ZeZQVaJIPGrbsQqYBmMI","type":"track"}

Dont Believe a Word
type: MusicRecording
duration: PT3M57S
duration ms: 237386
explicit: false
by artist: Carcass
in album: Swansong
  type: MusicAlbum
  date published: 1970-01-01
isrc code: GBBPB0700853
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T13:02:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe0de73682243120fd37ee4a48139213424dccdc2474a8d7d5c66a2bd309d8c16
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4OvtGy4hIxnxJo1PuBM9NU.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4OvtGy4hIxnxJo1PuBM9NU
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe0de73682243120fd37ee4a48139213424dccdc2474a8d7d5c66a2bd309d8c16","isrc":"GBBPB0700853","name":"Dont Believe a Word","registered_at":"2026-06-09T13:02:14Z","spotify_id":"4OvtGy4hIxnxJo1PuBM9NU","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 0xe0de73682243120fd37ee4a48139213424dccdc2474a8d7d5c66a2bd309d8c16. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4OvtGy4hIxnxJo1PuBM9NU.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4OvtGy4hIxnxJo1PuBM9NU.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xe0de73682243120fd37ee4a48139213424dccdc2474a8d7d5c66a2bd309d8c16","isrc":"GBBPB0700853","name":"Dont Believe a Word","registered_at":"2026-06-09T13:02:14Z","spotify_id":"4OvtGy4hIxnxJo1PuBM9NU","type":"track"}

Go to Hell
type: MusicRecording
duration: PT3M18S
duration ms: 198640
explicit: false
by artist: Carcass
in album: Swansong
  type: MusicAlbum
  date published: 1970-01-01
isrc code: GBBPB0700854
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T16:25:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd26e1bb0eb5bc44660cadff24ad759ef3c676dd90e61bfedc56058b08c83d233
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/05K5IQzDBr9AKouf3HBQr9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/05K5IQzDBr9AKouf3HBQr9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd26e1bb0eb5bc44660cadff24ad759ef3c676dd90e61bfedc56058b08c83d233","isrc":"GBBPB0700854","name":"Go to Hell","registered_at":"2026-06-08T16:25:55Z","spotify_id":"05K5IQzDBr9AKouf3HBQr9","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 0xd26e1bb0eb5bc44660cadff24ad759ef3c676dd90e61bfedc56058b08c83d233. 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/05K5IQzDBr9AKouf3HBQr9.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/05K5IQzDBr9AKouf3HBQr9.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0xd26e1bb0eb5bc44660cadff24ad759ef3c676dd90e61bfedc56058b08c83d233","isrc":"GBBPB0700854","name":"Go to Hell","registered_at":"2026-06-08T16:25:55Z","spotify_id":"05K5IQzDBr9AKouf3HBQr9","type":"track"}

Necroticism - Descanting the Insalubrious
type: MusicAlbum
date published: 1970-01-01
track: Corporal Jigsore Quandary
  type: MusicRecording
  duration: PT5M48S
  duration ms: 348093
  explicit: false
  by artist: Carcass
  in album: Necroticism - Descanting the Insalubrious
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: GBBPB0401309
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T13:54:21+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc4c4da9d436f7d2817feac57ff9695266327b4b55e4d752d9601b64ea23143f9
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/3AZoDPKMIwXVTEigOmC8BG.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3AZoDPKMIwXVTEigOmC8BG
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xc4c4da9d436f7d2817feac57ff9695266327b4b55e4d752d9601b64ea23143f9","isrc":"GBBPB0401309","name":"Corporal Jigsore Quandary","registered_at":"2026-06-04T13:54:21Z","spotify_id":"3AZoDPKMIwXVTEigOmC8BG","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 0xc4c4da9d436f7d2817feac57ff9695266327b4b55e4d752d9601b64ea23143f9. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3AZoDPKMIwXVTEigOmC8BG.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3AZoDPKMIwXVTEigOmC8BG.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0xc4c4da9d436f7d2817feac57ff9695266327b4b55e4d752d9601b64ea23143f9","isrc":"GBBPB0401309","name":"Corporal Jigsore Quandary","registered_at":"2026-06-04T13:54:21Z","spotify_id":"3AZoDPKMIwXVTEigOmC8BG","type":"track"}

Black Star
type: MusicRecording
duration: PT3M28S
duration ms: 208600
explicit: false
by artist: Carcass
in album: Swansong
  type: MusicAlbum
  date published: 1970-01-01
isrc code: GBBPB0700845
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T09:59:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4e6231a0d174c628d072165f4b2dbb37ad118ba9127d539a911833d199fb82fb
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/5Nodfi0wQT9QANl0KlAo7B.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5Nodfi0wQT9QANl0KlAo7B
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4e6231a0d174c628d072165f4b2dbb37ad118ba9127d539a911833d199fb82fb","isrc":"GBBPB0700845","name":"Black Star","registered_at":"2026-06-04T09:59:11Z","spotify_id":"5Nodfi0wQT9QANl0KlAo7B","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 0x4e6231a0d174c628d072165f4b2dbb37ad118ba9127d539a911833d199fb82fb. 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/5Nodfi0wQT9QANl0KlAo7B.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5Nodfi0wQT9QANl0KlAo7B.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x4e6231a0d174c628d072165f4b2dbb37ad118ba9127d539a911833d199fb82fb","isrc":"GBBPB0700845","name":"Black Star","registered_at":"2026-06-04T09:59:11Z","spotify_id":"5Nodfi0wQT9QANl0KlAo7B","type":"track"}

Keep On Rotting in the Free World
type: MusicRecording
duration: PT3M40S
duration ms: 220800
explicit: false
by artist: Carcass
in album: Swansong
  type: MusicAlbum
  date published: 1970-01-01
isrc code: GBBPB0700843
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T11:25:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3d45961c27018f666aeedfc41942c3de4310c17a8ecf1808fb8f4a0d34c2e7d8
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/57Gu14wW9hFBUmJ0LpmzmA.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/57Gu14wW9hFBUmJ0LpmzmA
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x3d45961c27018f666aeedfc41942c3de4310c17a8ecf1808fb8f4a0d34c2e7d8","isrc":"GBBPB0700843","name":"Keep On Rotting in the Free World","registered_at":"2026-06-04T11:25:25Z","spotify_id":"57Gu14wW9hFBUmJ0LpmzmA","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 0x3d45961c27018f666aeedfc41942c3de4310c17a8ecf1808fb8f4a0d34c2e7d8. 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/57Gu14wW9hFBUmJ0LpmzmA.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/57Gu14wW9hFBUmJ0LpmzmA.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x3d45961c27018f666aeedfc41942c3de4310c17a8ecf1808fb8f4a0d34c2e7d8","isrc":"GBBPB0700843","name":"Keep On Rotting in the Free World","registered_at":"2026-06-04T11:25:25Z","spotify_id":"57Gu14wW9hFBUmJ0LpmzmA","type":"track"}

Tomorrow Belongs to Nobody
type: MusicRecording
duration: PT4M17S
duration ms: 257773
explicit: false
by artist: Carcass
in album: Swansong
  type: MusicAlbum
  date published: 1970-01-01
isrc code: GBBPB0700844
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T13:32:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x97d91a64321b7681e28740aa0a2ef7bbfc15b639ad8a72f62cfa2fd9e8a4f691
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/0byhWeZAMhLvZwkwgA9J5C.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0byhWeZAMhLvZwkwgA9J5C
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x97d91a64321b7681e28740aa0a2ef7bbfc15b639ad8a72f62cfa2fd9e8a4f691","isrc":"GBBPB0700844","name":"Tomorrow Belongs to Nobody","registered_at":"2026-06-04T13:32:01Z","spotify_id":"0byhWeZAMhLvZwkwgA9J5C","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 0x97d91a64321b7681e28740aa0a2ef7bbfc15b639ad8a72f62cfa2fd9e8a4f691. 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/0byhWeZAMhLvZwkwgA9J5C.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0byhWeZAMhLvZwkwgA9J5C.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x97d91a64321b7681e28740aa0a2ef7bbfc15b639ad8a72f62cfa2fd9e8a4f691","isrc":"GBBPB0700844","name":"Tomorrow Belongs to Nobody","registered_at":"2026-06-04T13:32:01Z","spotify_id":"0byhWeZAMhLvZwkwgA9J5C","type":"track"}

R**k the Vote
type: MusicRecording
duration: PT3M52S
duration ms: 232400
explicit: false
by artist: Carcass
in album: Swansong
  type: MusicAlbum
  date published: 1970-01-01
isrc code: GBBPB0700852
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T07:07:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x52bcc64b3332d5e656b18f9868bb52a00a39d2291fd98e0a53b632bd752ed144
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/71ZeZQVaJIPGrbsQqYBmMI.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/71ZeZQVaJIPGrbsQqYBmMI
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x52bcc64b3332d5e656b18f9868bb52a00a39d2291fd98e0a53b632bd752ed144","isrc":"GBBPB0700852","name":"R**k the Vote","registered_at":"2026-06-05T07:07:31Z","spotify_id":"71ZeZQVaJIPGrbsQqYBmMI","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 0x52bcc64b3332d5e656b18f9868bb52a00a39d2291fd98e0a53b632bd752ed144. 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/71ZeZQVaJIPGrbsQqYBmMI.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/71ZeZQVaJIPGrbsQqYBmMI.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x52bcc64b3332d5e656b18f9868bb52a00a39d2291fd98e0a53b632bd752ed144","isrc":"GBBPB0700852","name":"R**k the Vote","registered_at":"2026-06-05T07:07:31Z","spotify_id":"71ZeZQVaJIPGrbsQqYBmMI","type":"track"}

Corporal Jigsore Quandary
type: MusicRecording
duration: PT5M48S
duration ms: 348093
explicit: false
by artist: Carcass
in album: Necroticism - Descanting the Insalubrious
  type: MusicAlbum
  date published: 1970-01-01
isrc code: GBBPB0401309
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T13:54:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc4c4da9d436f7d2817feac57ff9695266327b4b55e4d752d9601b64ea23143f9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3AZoDPKMIwXVTEigOmC8BG.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3AZoDPKMIwXVTEigOmC8BG
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc4c4da9d436f7d2817feac57ff9695266327b4b55e4d752d9601b64ea23143f9","isrc":"GBBPB0401309","name":"Corporal Jigsore Quandary","registered_at":"2026-06-04T13:54:21Z","spotify_id":"3AZoDPKMIwXVTEigOmC8BG","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 0xc4c4da9d436f7d2817feac57ff9695266327b4b55e4d752d9601b64ea23143f9. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3AZoDPKMIwXVTEigOmC8BG.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3AZoDPKMIwXVTEigOmC8BG.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xc4c4da9d436f7d2817feac57ff9695266327b4b55e4d752d9601b64ea23143f9","isrc":"GBBPB0401309","name":"Corporal Jigsore Quandary","registered_at":"2026-06-04T13:54:21Z","spotify_id":"3AZoDPKMIwXVTEigOmC8BG","type":"track"}

Childs Play
type: MusicRecording
duration: PT5M42S
duration ms: 342320
explicit: false
by artist: Carcass
in album: Swansong
  type: MusicAlbum
  date published: 1970-01-01
isrc code: GBBPB0700847
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T15:34:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xaf7a12ec18f73c583c5db937471e0d9f0babca828f86cf4d9b4aa6194e0e1507
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4SOvJC2XPP2esm3MssVIpb.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4SOvJC2XPP2esm3MssVIpb
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xaf7a12ec18f73c583c5db937471e0d9f0babca828f86cf4d9b4aa6194e0e1507","isrc":"GBBPB0700847","name":"Childs Play","registered_at":"2026-06-05T15:34:37Z","spotify_id":"4SOvJC2XPP2esm3MssVIpb","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 0xaf7a12ec18f73c583c5db937471e0d9f0babca828f86cf4d9b4aa6194e0e1507. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4SOvJC2XPP2esm3MssVIpb.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4SOvJC2XPP2esm3MssVIpb.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xaf7a12ec18f73c583c5db937471e0d9f0babca828f86cf4d9b4aa6194e0e1507","isrc":"GBBPB0700847","name":"Childs Play","registered_at":"2026-06-05T15:34:37Z","spotify_id":"4SOvJC2XPP2esm3MssVIpb","type":"track"}

Cross My Heart
type: MusicRecording
duration: PT3M33S
duration ms: 213746
explicit: false
by artist: Carcass
in album: Swansong
  type: MusicAlbum
  date published: 1970-01-01
isrc code: GBBPB0700846
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T10:43:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x937f7165b9f63ac7018685c48da6beae5615c4a238504a7fc52fe444a5f764ae
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1ORcoAD5ouVwZT1si9S6Wz.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1ORcoAD5ouVwZT1si9S6Wz
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x937f7165b9f63ac7018685c48da6beae5615c4a238504a7fc52fe444a5f764ae","isrc":"GBBPB0700846","name":"Cross My Heart","registered_at":"2026-06-07T10:43:05Z","spotify_id":"1ORcoAD5ouVwZT1si9S6Wz","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 0x937f7165b9f63ac7018685c48da6beae5615c4a238504a7fc52fe444a5f764ae. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1ORcoAD5ouVwZT1si9S6Wz.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1ORcoAD5ouVwZT1si9S6Wz.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x937f7165b9f63ac7018685c48da6beae5615c4a238504a7fc52fe444a5f764ae","isrc":"GBBPB0700846","name":"Cross My Heart","registered_at":"2026-06-07T10:43:05Z","spotify_id":"1ORcoAD5ouVwZT1si9S6Wz","type":"track"}

Polarized
type: MusicRecording
duration: PT4M1S
duration ms: 241573
explicit: false
by artist: Carcass
in album: Swansong
  type: MusicAlbum
  date published: 1970-01-01
isrc code: GBBPB0700849
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T04:56:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdcc25181f71898abbf81ff602c6e462013d49563277ce50bdcf454b5b61ccc23
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/2gFvhppFeZHCI0EzIEk0ty.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2gFvhppFeZHCI0EzIEk0ty
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdcc25181f71898abbf81ff602c6e462013d49563277ce50bdcf454b5b61ccc23. 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/2gFvhppFeZHCI0EzIEk0ty.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2gFvhppFeZHCI0EzIEk0ty.
  date published: 2026-06-13T15:41:10Z

Room 101
type: MusicRecording
duration: PT4M35S
duration ms: 275640
explicit: false
by artist: Carcass
in album: Swansong
  type: MusicAlbum
  date published: 1970-01-01
isrc code: GBBPB0700848
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T18:15:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6c0d0c7a823fef9f905c986e6cb7d3b1b12d50cd1b671ba2ff47dbcc7967100d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6UGo2ormyIpy1YpItmlem4.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6UGo2ormyIpy1YpItmlem4
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6c0d0c7a823fef9f905c986e6cb7d3b1b12d50cd1b671ba2ff47dbcc7967100d","isrc":"GBBPB0700848","name":"Room 101","registered_at":"2026-06-07T18:15:00Z","spotify_id":"6UGo2ormyIpy1YpItmlem4","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 0x6c0d0c7a823fef9f905c986e6cb7d3b1b12d50cd1b671ba2ff47dbcc7967100d. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6UGo2ormyIpy1YpItmlem4.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6UGo2ormyIpy1YpItmlem4.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x6c0d0c7a823fef9f905c986e6cb7d3b1b12d50cd1b671ba2ff47dbcc7967100d","isrc":"GBBPB0700848","name":"Room 101","registered_at":"2026-06-07T18:15:00Z","spotify_id":"6UGo2ormyIpy1YpItmlem4","type":"track"}

Generation Hexed
type: MusicRecording
duration: PT3M47S
duration ms: 227346
explicit: false
by artist: Carcass
in album: Swansong
  type: MusicAlbum
  date published: 1970-01-01
isrc code: GBBPB0700850
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T08:45:51+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1d0d6eea571e7b346200ab6c3402071879a8bc78f0c28db0723f9b866d35791e
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/4am0ph8UewaPzAPipFaDRe.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4am0ph8UewaPzAPipFaDRe
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1d0d6eea571e7b346200ab6c3402071879a8bc78f0c28db0723f9b866d35791e","isrc":"GBBPB0700850","name":"Generation Hexed","registered_at":"2026-06-08T08:45:51Z","spotify_id":"4am0ph8UewaPzAPipFaDRe","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 0x1d0d6eea571e7b346200ab6c3402071879a8bc78f0c28db0723f9b866d35791e. 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/4am0ph8UewaPzAPipFaDRe.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4am0ph8UewaPzAPipFaDRe.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x1d0d6eea571e7b346200ab6c3402071879a8bc78f0c28db0723f9b866d35791e","isrc":"GBBPB0700850","name":"Generation Hexed","registered_at":"2026-06-08T08:45:51Z","spotify_id":"4am0ph8UewaPzAPipFaDRe","type":"track"}

Go to Hell
type: MusicRecording
duration: PT3M18S
duration ms: 198640
explicit: false
by artist: Carcass
in album: Swansong
  type: MusicAlbum
  date published: 1970-01-01
isrc code: GBBPB0700854
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T16:25:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd26e1bb0eb5bc44660cadff24ad759ef3c676dd90e61bfedc56058b08c83d233
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/05K5IQzDBr9AKouf3HBQr9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/05K5IQzDBr9AKouf3HBQr9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd26e1bb0eb5bc44660cadff24ad759ef3c676dd90e61bfedc56058b08c83d233","isrc":"GBBPB0700854","name":"Go to Hell","registered_at":"2026-06-08T16:25:55Z","spotify_id":"05K5IQzDBr9AKouf3HBQr9","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 0xd26e1bb0eb5bc44660cadff24ad759ef3c676dd90e61bfedc56058b08c83d233. 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/05K5IQzDBr9AKouf3HBQr9.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/05K5IQzDBr9AKouf3HBQr9.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0xd26e1bb0eb5bc44660cadff24ad759ef3c676dd90e61bfedc56058b08c83d233","isrc":"GBBPB0700854","name":"Go to Hell","registered_at":"2026-06-08T16:25:55Z","spotify_id":"05K5IQzDBr9AKouf3HBQr9","type":"track"}

Firm Hand
type: MusicRecording
duration: PT5M22S
duration ms: 322626
explicit: false
by artist: Carcass
in album: Swansong
  type: MusicAlbum
  date published: 1970-01-01
isrc code: GBBPB0700851
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T02:08:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x56df1867e715c2dd6fafc4a53fd6b3a9651e4b7e688aacdfe2e8e2db27438f06
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/3Ce3ui0v0MsG7IELorH3Lz.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3Ce3ui0v0MsG7IELorH3Lz
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x56df1867e715c2dd6fafc4a53fd6b3a9651e4b7e688aacdfe2e8e2db27438f06","isrc":"GBBPB0700851","name":"Firm Hand","registered_at":"2026-06-09T02:08:39Z","spotify_id":"3Ce3ui0v0MsG7IELorH3Lz","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 0x56df1867e715c2dd6fafc4a53fd6b3a9651e4b7e688aacdfe2e8e2db27438f06. 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/3Ce3ui0v0MsG7IELorH3Lz.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3Ce3ui0v0MsG7IELorH3Lz.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x56df1867e715c2dd6fafc4a53fd6b3a9651e4b7e688aacdfe2e8e2db27438f06","isrc":"GBBPB0700851","name":"Firm Hand","registered_at":"2026-06-09T02:08:39Z","spotify_id":"3Ce3ui0v0MsG7IELorH3Lz","type":"track"}

Dont Believe a Word
type: MusicRecording
duration: PT3M57S
duration ms: 237386
explicit: false
by artist: Carcass
in album: Swansong
  type: MusicAlbum
  date published: 1970-01-01
isrc code: GBBPB0700853
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T13:02:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe0de73682243120fd37ee4a48139213424dccdc2474a8d7d5c66a2bd309d8c16
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4OvtGy4hIxnxJo1PuBM9NU.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4OvtGy4hIxnxJo1PuBM9NU
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe0de73682243120fd37ee4a48139213424dccdc2474a8d7d5c66a2bd309d8c16","isrc":"GBBPB0700853","name":"Dont Believe a Word","registered_at":"2026-06-09T13:02:14Z","spotify_id":"4OvtGy4hIxnxJo1PuBM9NU","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 0xe0de73682243120fd37ee4a48139213424dccdc2474a8d7d5c66a2bd309d8c16. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4OvtGy4hIxnxJo1PuBM9NU.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4OvtGy4hIxnxJo1PuBM9NU.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xe0de73682243120fd37ee4a48139213424dccdc2474a8d7d5c66a2bd309d8c16","isrc":"GBBPB0700853","name":"Dont Believe a Word","registered_at":"2026-06-09T13:02:14Z","spotify_id":"4OvtGy4hIxnxJo1PuBM9NU","type":"track"}

A Wraith in the Apparatus
type: MusicRecording
duration: PT3M31S
duration ms: 211280
explicit: false
by artist: Carcass
in album: Death ...Is Just the Beginning, MMXVIII
  type: MusicAlbum
  date published: 2018-10-19
isrc code: DED831300261

Heartwork
type: MusicRecording
duration: PT4M33S
duration ms: 273706
explicit: false
by artist: Carcass
in album: Immortalised
  type: MusicAlbum
  date published: 2000-03-13
isrc code: GBBPB2102623

Exhume to Consume - BBC Session
type: MusicRecording
duration: PT3M59S
duration ms: 239546
explicit: false
by artist: Carcass
in album: Immortalised
  type: MusicAlbum
  date published: 2000-03-13