Benjamin Hughes
type: MusicGroup
genre: chamber music
popularity: 19
followers: 23
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x50005067facd0c3b4fc9c6b9ff0a3d1bd26e8073b4ae013a6a2b7ee0de1edf8e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953625
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953625
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/279b236e-eb97-471b-81df-ad534b0ed99c.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/279b236e-eb97-471b-81df-ad534b0ed99c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/279b236e-eb97-471b-81df-ad534b0ed99c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T11:37:06Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x50005067facd0c3b4fc9c6b9ff0a3d1bd26e8073b4ae013a6a2b7ee0de1edf8e","name":"Benjamin Hughes","registered_at":"2026-06-14T08:34:38Z","symbol":"NIM0397242","token_address":"0xf4d4cd8a1e5fd4c9b8dbba598d29890e03d97087","type":"artist","uuid":"279b236e-eb97-471b-81df-ad534b0ed99c"}
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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 0x50005067facd0c3b4fc9c6b9ff0a3d1bd26e8073b4ae013a6a2b7ee0de1edf8e. Chain 2 (Bitcoin): anchored in block 953626 (2026-06-14T11:41:45Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/279b236e-eb97-471b-81df-ad534b0ed99c.json and https://artists.proofprofile.net/proofs/artist/279b236e-eb97-471b-81df-ad534b0ed99c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T11:41:45Z
  text: {"copyright_id":"0x50005067facd0c3b4fc9c6b9ff0a3d1bd26e8073b4ae013a6a2b7ee0de1edf8e","name":"Benjamin Hughes","registered_at":"2026-06-14T08:34:38Z","symbol":"NIM0397242","token_address":"0xf4d4cd8a1e5fd4c9b8dbba598d29890e03d97087","type":"artist","uuid":"279b236e-eb97-471b-81df-ad534b0ed99c"}
track: Love Story – Theme (Arr. Campbell)
  type: MusicRecording
  duration: PT3M31S
  duration ms: 211506
  explicit: false
  by artist: Francis Lai
  by artist: Jess Gillam
  by artist: Ben Dawson
  by artist: Charles Mutter
  by artist: Michael Gray
  by artist: Timothy Welch
  by artist: Benjamin Hughes
  by artist: Andrew Wood
  in album: Rise
    type: MusicAlbum
    date published: 2019-04-26
  isrc code: GBF071800110
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T06:17:25+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc6b820497c67ff8712ea63fed07f4c349a42ed0f87a185fd7a072eead0399b57
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957020
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957020
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071800110
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-07T09:18:01Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6b820497c67ff8712ea63fed07f4c349a42ed0f87a185fd7a072eead0399b57. Chain 2 (Bitcoin): anchored in block 957020 (2026-07-07T09:18:01Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071800110.
    date published: 2026-07-07T09:18:01Z
  audio: Love Story – Theme (Arr. Campbell)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 164.337
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.129
    additional property: Energy
      type: PropertyValue
      value: 0.178
    additional property: Speechiness
      type: PropertyValue
      value: 0.038
    additional property: Acousticness
      type: PropertyValue
      value: 0.935
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.889
    additional property: Liveness
      type: PropertyValue
      value: 0.114
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.055
    additional property: Loudness (dB)
      type: PropertyValue
      value: -15.584
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Love Story – Theme (Arr. Campbell)
  type: MusicRecording
  duration: PT3M31S
  duration ms: 211484
  explicit: false
  by artist: Francis Lai
  by artist: Jess Gillam
  by artist: Ben Dawson
  by artist: Charles Mutter
  by artist: Michael Gray
  by artist: Timothy Welch
  by artist: Benjamin Hughes
  by artist: Andrew Wood
  in album: Lai: Love Story – Theme (Arr. Campbell)
    type: MusicAlbum
    date published: 2019-02-10
  isrc code: GBF071800110
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T06:17:25+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc6b820497c67ff8712ea63fed07f4c349a42ed0f87a185fd7a072eead0399b57
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/953528
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071800110
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6b820497c67ff8712ea63fed07f4c349a42ed0f87a185fd7a072eead0399b57. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071800110.
    date published: 2026-06-13T15:41:10Z
  audio: Love Story – Theme (Arr. Campbell)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 104.196
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.22
    additional property: Energy
      type: PropertyValue
      value: 0.186
    additional property: Speechiness
      type: PropertyValue
      value: 0.035
    additional property: Acousticness
    additional property: Instrumentalness
    additional property: Liveness
    additional property: Valence (Positivity)
    additional property: Loudness (dB)
    additional property: Key Name
    additional property: Mode Name
track: Quartet for the End of Time
track: Suite for Variety Orchestra: 7. Waltz 2 (Arr. Campbell)
track: Je ne t'aime pas (Arr. Campbell)

Quartet for the End of Time
type: MusicRecording
duration: PT2M39S
duration ms: 159466
explicit: false
by artist: Olivier Messiaen
by artist: The Fibonacci Sequence
by artist: Jack Liebeck
by artist: Julian Farrell
by artist: Benjamin Hughes
by artist: Kathron Sturrock
in album: Messiaen: Quartet for the End of Time
  type: MusicAlbum
  date published: 2009-11-15
genre: classical
genre: avant-garde
isrc code: GBHQX0900043
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T04:12:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3a4322b21f6356d626244c81641fcd98fa45ba1ce34993f2c08336553913887f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBHQX0900043
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956304
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a4322b21f6356d626244c81641fcd98fa45ba1ce34993f2c08336553913887f. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBHQX0900043.
  date published: 2026-07-02T03:55:08Z
audio: Quartet for the End of Time
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 120.067
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.368
  additional property: Energy
    type: PropertyValue
    value: 0.116
  additional property: Speechiness
    type: PropertyValue
    value: 0.032
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.843
  additional property: Liveness
    type: PropertyValue
    value: 0.104
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.103
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.33
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Quartet for the End of Time
type: MusicRecording
duration: PT1M48S
duration ms: 108106
explicit: false
by artist: Olivier Messiaen
by artist: The Fibonacci Sequence
by artist: Jack Liebeck
by artist: Julian Farrell
by artist: Benjamin Hughes
by artist: Kathron Sturrock
in album: Messiaen: Quartet for the End of Time
  type: MusicAlbum
  date published: 2009-11-15
genre: classical
genre: avant-garde
isrc code: GBHQX0900046
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:35:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2945f98b1db08402253b32cc92f8ac6691d3dc8073376d78f0ca237fb6551ee6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBHQX0900046
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2945f98b1db08402253b32cc92f8ac6691d3dc8073376d78f0ca237fb6551ee6. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBHQX0900046.
  date published: 2026-07-08T03:22:41Z
audio: Quartet for the End of Time
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.324
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.472
  additional property: Energy
    type: PropertyValue
    value: 0.186
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.967
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.709
  additional property: Liveness
    type: PropertyValue
    value: 0.104
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.371
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.738
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Suite for Variety Orchestra: 7. Waltz 2 (Arr. Campbell)
type: MusicRecording
duration: PT3M10S
duration ms: 190906
explicit: false
by artist: Dmitri Shostakovich
by artist: Jess Gillam
by artist: Ben Dawson
by artist: Charles Mutter
by artist: Michael Gray
by artist: Timothy Welch
by artist: Benjamin Hughes
by artist: Andrew Wood
in album: Rise
  type: MusicAlbum
  date published: 2019-04-26
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff6a4cd40a4700985561fda528c118535bd26de28ceb85c5e9f5b8146b0298c5. Chain 2 (Bitcoin): anchored in block 959114 (2026-07-22T08:41:42Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071800140.
  date published: 2026-07-22T08:41:42Z
audio: Suite for Variety Orchestra: 7. Waltz 2 (Arr. Campbell)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.482
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.463
  additional property: Energy
    type: PropertyValue
    value: 0.356
  additional property: Speechiness
    type: PropertyValue
    value: 0.029
  additional property: Acousticness
    type: PropertyValue
    value: 0.975
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.7
  additional property: Liveness
    type: PropertyValue
    value: 0.074
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.725
  additional property: Loudness (dB)
    type: PropertyValue
    value: -6.373
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: GBF071800140
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 959114
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-22T08:41:42+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071800140
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959114
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959114
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-22T08:41:42+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Je ne t'aime pas (Arr. Campbell)
type: MusicRecording
duration: PT4M1S
duration ms: 241160
explicit: false
by artist: Kurt Weill
by artist: Jess Gillam
by artist: Zeynep Özsuca
by artist: Nigel Goodwin
by artist: Charles Mutter
by artist: Michael Gray
by artist: Benjamin Hughes
in album: Rise
  type: MusicAlbum
  date published: 2019-04-26
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ddff0fc466987790ca0ee0b705b56d8872b8394e56e39e1e30511fbc31de171. Chain 2 (Bitcoin): anchored in block 960106 (2026-07-29T12:41:21Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071800080.
  date published: 2026-07-29T12:41:21Z
audio: Je ne t'aime pas (Arr. Campbell)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 98.434
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.224
  additional property: Energy
    type: PropertyValue
    value: 0.108
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.974
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.917
  additional property: Liveness
    type: PropertyValue
    value: 0.099
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.559
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: GBF071800080
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960106
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T12:41:21+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071800080
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960106
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960106
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T12:41:21+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Quartet for the End of Time
type: MusicRecording
duration: PT5M19S
duration ms: 319213
explicit: false
by artist: Olivier Messiaen
by artist: The Fibonacci Sequence
by artist: Jack Liebeck
by artist: Julian Farrell
by artist: Benjamin Hughes
by artist: Kathron Sturrock
in album: Messiaen: Quartet for the End of Time
  type: MusicAlbum
  date published: 2009-11-15
genre: classical
genre: avant-garde
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8ccc1a5af118c3dd5b550e5e5802306b54f29f3b88dbb68b4fcdee5f29b3ae4. Chain 2 (Bitcoin): anchored in block 960240 (2026-07-30T09:57:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBHQX0900044.
  date published: 2026-07-30T09:57:33Z
audio: Quartet for the End of Time
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.813
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.304
  additional property: Energy
    type: PropertyValue
    value: 0.043
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.963
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.164
  additional property: Liveness
    type: PropertyValue
    value: 0.309
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.062
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.111
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: GBHQX0900044
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960240
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T09:57:33+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBHQX0900044
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960240
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960240
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T09:57:33+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Quartet for the End of Time
type: MusicRecording
duration: PT7M32S
duration ms: 452440
explicit: false
by artist: Olivier Messiaen
by artist: The Fibonacci Sequence
by artist: Jack Liebeck
by artist: Julian Farrell
by artist: Benjamin Hughes
by artist: Kathron Sturrock
in album: Messiaen: Quartet for the End of Time
  type: MusicAlbum
  date published: 2009-11-15
genre: classical
genre: avant-garde
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9193d003c1b7db26e894d180fcd4a511c7ddecc6fe774a5641482bb6d2ab6e08. Chain 2 (Bitcoin): anchored in block 960247 (2026-07-30T10:42:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBHQX0900045.
  date published: 2026-07-30T10:42:33Z
audio: Quartet for the End of Time
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 137.987
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.288
  additional property: Energy
    type: PropertyValue
    value: 0.001
  additional property: Speechiness
    type: PropertyValue
    value: 0.075
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.262
  additional property: Liveness
    type: PropertyValue
    value: 0.084
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.084
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.699
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: GBHQX0900045
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960247
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T10:42:33+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBHQX0900045
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960247
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960247
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T10:42:33+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Quartet for the End of Time
type: MusicRecording
duration: PT9M29S
duration ms: 569013
explicit: false
by artist: Olivier Messiaen
by artist: The Fibonacci Sequence
by artist: Jack Liebeck
by artist: Julian Farrell
by artist: Benjamin Hughes
by artist: Kathron Sturrock
in album: Messiaen: Quartet for the End of Time
  type: MusicAlbum
  date published: 2009-11-15
genre: classical
genre: avant-garde
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfed081943d7b71ed2c05ae4e56129dcae7be562607df640bedc35ea89d3b0c4b. Chain 2 (Bitcoin): anchored in block 960117 (2026-07-29T14:28:24Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBHQX0900047.
  date published: 2026-07-29T14:28:24Z
audio: Quartet for the End of Time
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.769
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.168
  additional property: Energy
    type: PropertyValue
    value: 0.045
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.985
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.93
  additional property: Liveness
    type: PropertyValue
    value: 0.072
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.025
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.573
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: GBHQX0900047
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960117
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T14:28:24+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBHQX0900047
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960117
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960117
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T14:28:24+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Quartet for the End of Time
type: MusicRecording
duration: PT6M27S
duration ms: 387773
explicit: false
by artist: Olivier Messiaen
by artist: The Fibonacci Sequence
by artist: Jack Liebeck
by artist: Julian Farrell
by artist: Benjamin Hughes
by artist: Kathron Sturrock
in album: Messiaen: Quartet for the End of Time
  type: MusicAlbum
  date published: 2009-11-15
genre: classical
genre: avant-garde
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xadac2f1065e15650155e85cf10d068d22d16e500f27fdc6f05f2d3238d5ac806. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBHQX0900048.
  date published: 2026-07-31T08:26:41Z
audio: Quartet for the End of Time
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.387
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.377
  additional property: Energy
    type: PropertyValue
    value: 0.215
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.991
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.902
  additional property: Liveness
    type: PropertyValue
    value: 0.126
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.224
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.207
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: GBHQX0900048
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960368
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T08:26:41+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBHQX0900048
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960368
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960368
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T08:26:41+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Quartet for the End of Time
type: MusicRecording
duration: PT7M46S
duration ms: 466613
explicit: false
by artist: Olivier Messiaen
by artist: The Fibonacci Sequence
by artist: Jack Liebeck
by artist: Julian Farrell
by artist: Benjamin Hughes
by artist: Kathron Sturrock
in album: Messiaen: Quartet for the End of Time
  type: MusicAlbum
  date published: 2009-11-15
genre: classical
genre: avant-garde
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdcab4d002d1699393ecc31d15d8e0a1e6dc16809b9ba301e8a6c6f5b230eea81. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBHQX0900049.
  date published: 2026-07-31T02:19:15Z
audio: Quartet for the End of Time
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.303
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.197
  additional property: Energy
    type: PropertyValue
    value: 0.338
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.798
  additional property: Liveness
    type: PropertyValue
    value: 0.049
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.033
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.656
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: GBHQX0900049
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960334
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T02:19:15+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBHQX0900049
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960334
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960334
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Quartet for the End of Time
type: MusicRecording
duration: PT6M7S
duration ms: 367066
explicit: false
by artist: Olivier Messiaen
by artist: The Fibonacci Sequence
by artist: Jack Liebeck
by artist: Julian Farrell
by artist: Benjamin Hughes
by artist: Kathron Sturrock
in album: Messiaen: Quartet for the End of Time
  type: MusicAlbum
  date published: 2009-11-15
genre: classical
genre: avant-garde
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb789f4e524cd004553c15e06a035861e45189506210beb7f0d6dc65272e41da3. Chain 2 (Bitcoin): anchored in block 960220 (2026-07-30T07:28:30Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBHQX0900050.
  date published: 2026-07-30T07:28:30Z
audio: Quartet for the End of Time
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.285
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.14
  additional property: Energy
    type: PropertyValue
    value: 0.062
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.941
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.12
  additional property: Liveness
    type: PropertyValue
    value: 0.12
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.03
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.603
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: GBHQX0900050
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960220
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T07:28:30+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBHQX0900050
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960220
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960220
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T07:28:30+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Acousticness
type: PropertyValue
value: 0.937

Instrumentalness
type: PropertyValue
value: 0.898

Liveness
type: PropertyValue
value: 0.113

Valence (Positivity)
type: PropertyValue
value: 0.055

Loudness (dB)
type: PropertyValue
value: -15.121

Key Name
type: PropertyValue
value: C

Mode Name
type: PropertyValue
value: Minor

Love Story – Theme (Arr. Campbell)
type: MusicRecording
duration: PT3M31S
duration ms: 211484
explicit: false
by artist: Francis Lai
by artist: Jess Gillam
by artist: Ben Dawson
by artist: Charles Mutter
by artist: Michael Gray
by artist: Timothy Welch
by artist: Benjamin Hughes
by artist: Andrew Wood
in album: La Lecon Particuliere - Poetic Rizz
  type: MusicAlbum
  date published: 2023-03-28
isrc code: GBF071800110
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T06:17:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc6b820497c67ff8712ea63fed07f4c349a42ed0f87a185fd7a072eead0399b57
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071800110
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6b820497c67ff8712ea63fed07f4c349a42ed0f87a185fd7a072eead0399b57. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071800110.
  date published: 2026-07-02T03:30:09Z
audio: Love Story – Theme (Arr. Campbell)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.324
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.218
  additional property: Energy
    type: PropertyValue
    value: 0.186
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.937
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.898
  additional property: Liveness
    type: PropertyValue
    value: 0.113
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.054
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.121
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor