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type: MusicGroup
genre: opera
popularity: 3
followers: 67
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSProofURL
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  value: https://artists.proofprofile.net/proofs/artist/f4ccf850-e588-405a-be07-37d068b48e9f.ots
additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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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 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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-22T02:53:59Z
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album: Le Dilettante d'Avignon
  type: MusicAlbum
  date published: 2019-03-15
album: Ariettes à l'ancienne (French Songs)
  type: MusicAlbum
  date published: 2022-02-25
album: Lemoyne: Phèdre
  type: MusicAlbum
  date published: 2020-04-10
  track: Phèdre, Acte I: Ouverture
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    by artist: Orfeo Orchestra
    by artist: Gyorgy Vashegyi
    in album: Lemoyne: Phèdre
      type: MusicAlbum
      date published: 2020-04-10
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    additional property: OTSVerificationAPI
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      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITJXZ2000101
    additional property: OTSTimestamp
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    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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
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      date published: 2026-07-31T12:24:41Z
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  track: Phèdre, Acte I: Récit "Le jour paraît, déjà l'aurore"
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    by artist: Orfeo Orchestra
    by artist: Gyorgy Vashegyi
    by artist: Julien Behr
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      type: MusicAlbum
      date published: 2020-04-10
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    additional property: OTSTimestamp
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      value: 2026-07-31T12:24:41Z
    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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0d9ab7fc354931bf8e6ecc96715f989e75cc8c51b243334550993ba29195299. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITJXZ2000102 — a six-check JSON result.
      date published: 2026-07-31T12:24:41Z
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  track: Phèdre, Acte I: Air avec choeur "Ô Diane, chaste déesse"
album: Grétry: Richard Cœur de Lion
album: Chants de l'aube et du soir
album: Fleurs
album: Trip
album: Debussy: La Damoiselle élue, Le martyre de Saint Sébastien & Nocturnes

Instrumentalness
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Valence (Positivity)
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Phèdre, Acte I: Air avec choeur "Ô Diane, chaste déesse"
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duration: PT2M33S
duration ms: 153766
explicit: false
by artist: Jean-Baptiste Lemoyne
by artist: Orfeo Orchestra
by artist: Purcell Choir
by artist: Gyorgy Vashegyi
by artist: Julien Behr
in album: Lemoyne: Phèdre
  type: MusicAlbum
  date published: 2020-04-10
isrc code: ITJXZ2000103
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additional property: CopyrightStatus
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-31T16:33:26Z
audio: Phèdre, Acte I: Air avec choeur "Ô Diane, chaste déesse"
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Grétry: Richard Cœur de Lion
type: MusicAlbum
date published: 2020-09-25
track: Richard Cœur de lion, Acte I: Richard Cœur de Lion, Act I: Overture and Introduction
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  by artist: Herve Niquet
  by artist: Le Concert Spirituel
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    date published: 2020-09-25
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
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    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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc06c05f29634f153f11bf1f1eac25b0f518c07a0760b2cb193d7b8e401364b4c. Chain 2 (Bitcoin): anchored in block 960250 (2026-07-30T11:13:28Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W12017463 — a six-check JSON result.
    date published: 2026-07-30T11:13:28Z
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track: Richard Cœur de lion, Acte I: Richard Cœur de Lion, Act I Overture: Un peu plus vite. Chantons célébrons ce bon ménage (Chœur, Colette)
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    date published: 2020-09-25
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x649ab251a4dd13da2cf4a41f9873d77633608c6ddbd44ac31b13c895d604074a. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W12017464 — a six-check JSON result.
    date published: 2026-07-31T02:19:15Z
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track: Richard Cœur de lion, Acte I: Richard Cœur de Lion, Act I Overture and Scene 1: Plus lent. Comment ! C'est demain que le vieux Mathurin... (Mathurin, Sa Femme, Chœur, Blondel, Antonio)
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  subject of: OpenTimestamps Proof of Existence
  audio: Richard Cœur de lion, Acte I: Richard Cœur de Lion, Act I Overture and Scene 1: Plus lent. Comment ! C'est demain que le vieux Mathurin... (Mathurin, Sa Femme, Chœur, Blondel, Antonio)
track: Richard Cœur de lion, Acte I: Richard Cœur de Lion, Act I Scenes 2 and 3: Air. Ô Richard, Ô mon Roi ! (Blondel, Williams, Guillot)
track: Richard Cœur de lion, Acte I: Richard Cœur de Lion, Act I Scenes 3 to 6: Morceau d'ensemble. Quoi, de la part du gouverneur (Williams, Guillot, Blondel, Laurette, Antonio)
track: Richard Cœur de lion, Acte I: Richard Cœur de Lion, Act I Scene 6: Air de Laurette. Je crains de lui parler la (Laurette, Blondel)
track: Richard Cœur de lion, Acte II: Richard Cœur de Lion, Act II Scenes 2 to 4: Air de Richard. Si l'univers entier m'oublie (Richard, Blondel, Antonio)
track: Richard Cœur de lion, Acte II: Richard Cœur de Lion, Act II Scene 4: Duo. Une fièvre brûlante un jour me terrassait (Richard, Blondel)
track: Richard Cœur de lion, Acte III: Richard Cœur de Lion, Act III Scene 6: Ronde et Chœur. Et zic et zic et fric et froc (Paysans, Chœur)
track: Richard Cœur de lion, Acte III: Richard Cœur de Lion, Act III Scene 6: Combat
track: Richard Cœur de lion, Acte III: Richard Cœur de Lion, Act III Final Scene: Marche noblement (Richard, La Comtesse, Blondel, Chœur, Laurette, Antonio, Florestan, Williams)

OTSHash
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OTSBitcoinBlock
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value: 960448

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/960448

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W12017465

OTSTimestamp
type: PropertyValue
value: 2026-07-31T18:48:12Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x050bbd9ec96bcde9a35c46c422b48cf560d47090cc67c3f09c85501fef42455c. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W12017465 — a six-check JSON result.
date published: 2026-07-31T18:48:12Z

Richard Cœur de lion, Acte I: Richard Cœur de Lion, Act I Overture and Scene 1: Plus lent. Comment ! C'est demain que le vieux Mathurin... (Mathurin, Sa Femme, Chœur, Blondel, Antonio)
type: AudioObject
additional property: Tempo (BPM)
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additional property: Musical Key
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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additional property: Danceability
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
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  value: 0
additional property: Liveness
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additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.254
additional property: Loudness (dB)
  type: PropertyValue
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additional property: Key Name
  type: PropertyValue
  value: F#
additional property: Mode Name
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Richard Cœur de lion, Acte I: Richard Cœur de Lion, Act I Scenes 2 and 3: Air. Ô Richard, Ô mon Roi ! (Blondel, Williams, Guillot)
type: MusicRecording
duration: PT3M9S
duration ms: 189800
explicit: false
by artist: André-Ernest-Modeste Grétry
by artist: Herve Niquet
by artist: Le Concert Spirituel
by artist: Enguerrand de Hys
by artist: Geoffroy Buffière
by artist: François Pardailhé
in album: Grétry: Richard Cœur de Lion
  type: MusicAlbum
  date published: 2020-09-25
isrc code: FR9W12017467
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4d756f10b31950a1f74f50359180ce5265d7cd9cf4a0708bae239ddf485f4d4d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960273
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W12017467
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T15:42:38Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d756f10b31950a1f74f50359180ce5265d7cd9cf4a0708bae239ddf485f4d4d. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W12017467 — a six-check JSON result.
  date published: 2026-07-30T15:42:38Z
audio: Richard Cœur de lion, Acte I: Richard Cœur de Lion, Act I Scenes 2 and 3: Air. Ô Richard, Ô mon Roi ! (Blondel, Williams, Guillot)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.864
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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Richard Cœur de lion, Acte I: Richard Cœur de Lion, Act I Scenes 3 to 6: Morceau d'ensemble. Quoi, de la part du gouverneur (Williams, Guillot, Blondel, Laurette, Antonio)
type: MusicRecording
duration: PT7M31S
duration ms: 451186
explicit: false
by artist: André-Ernest-Modeste Grétry
by artist: Herve Niquet
by artist: Le Concert Spirituel
by artist: Geoffroy Buffière
by artist: François Pardailhé
by artist: Enguerrand de Hys
by artist: Melody Louledjian
by artist: Marie Perbost
in album: Grétry: Richard Cœur de Lion
  type: MusicAlbum
  date published: 2020-09-25
isrc code: FR9W12017468
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T23:43:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc9fecddfc48dc4805ea3acb1ec97d340cf83a23c6472ec447bf57172e76bd19d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960481
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W12017468
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T23:51:35Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9fecddfc48dc4805ea3acb1ec97d340cf83a23c6472ec447bf57172e76bd19d. Chain 2 (Bitcoin): anchored in block 960481 (2026-07-31T23:51:35Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W12017468 — a six-check JSON result.
  date published: 2026-07-31T23:51:35Z
audio: Richard Cœur de lion, Acte I: Richard Cœur de Lion, Act I Scenes 3 to 6: Morceau d'ensemble. Quoi, de la part du gouverneur (Williams, Guillot, Blondel, Laurette, Antonio)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.503
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
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Richard Cœur de lion, Acte I: Richard Cœur de Lion, Act I Scene 6: Air de Laurette. Je crains de lui parler la (Laurette, Blondel)
type: MusicRecording
duration: PT3M50S
duration ms: 230853
explicit: false
by artist: André-Ernest-Modeste Grétry
by artist: Herve Niquet
by artist: Le Concert Spirituel
by artist: Melody Louledjian
in album: Grétry: Richard Cœur de Lion
  type: MusicAlbum
  date published: 2020-09-25
isrc code: FR9W12017469
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x802f17997b216d45c32bd308346808eff47313f9e2f0cc50720ec4097ea33871
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W12017469
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x802f17997b216d45c32bd308346808eff47313f9e2f0cc50720ec4097ea33871. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W12017469 — a six-check JSON result.
  date published: 2026-07-08T03:22:41Z
audio: Richard Cœur de lion, Acte I: Richard Cœur de Lion, Act I Scene 6: Air de Laurette. Je crains de lui parler la (Laurette, Blondel)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Richard Cœur de lion, Acte II: Richard Cœur de Lion, Act II Scenes 2 to 4: Air de Richard. Si l'univers entier m'oublie (Richard, Blondel, Antonio)
type: MusicRecording
duration: PT5M55S
duration ms: 355026
explicit: false
by artist: André-Ernest-Modeste Grétry
by artist: Herve Niquet
by artist: Le Concert Spirituel
by artist: Reinoud Van Mechelen
by artist: Enguerrand de Hys
by artist: Marie Perbost
in album: Grétry: Richard Cœur de Lion
  type: MusicAlbum
  date published: 2020-09-25
isrc code: FR9W12017474
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T15:22:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe7cc9cc81f3ce62a4a353052bc971764832cfa50a2e86b2657770380afe6d8ba
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W12017474
additional property: OTSTimestamp
  type: PropertyValue
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7cc9cc81f3ce62a4a353052bc971764832cfa50a2e86b2657770380afe6d8ba. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W12017474 — a six-check JSON result.
  date published: 2026-07-08T03:53:27Z
audio: Richard Cœur de lion, Acte II: Richard Cœur de Lion, Act II Scenes 2 to 4: Air de Richard. Si l'univers entier m'oublie (Richard, Blondel, Antonio)
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  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
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Richard Cœur de lion, Acte II: Richard Cœur de Lion, Act II Scene 4: Duo. Une fièvre brûlante un jour me terrassait (Richard, Blondel)
type: MusicRecording
duration: PT2M10S
duration ms: 130026
explicit: false
by artist: André-Ernest-Modeste Grétry
by artist: Herve Niquet
by artist: Le Concert Spirituel
by artist: Reinoud Van Mechelen
by artist: Enguerrand de Hys
in album: Grétry: Richard Cœur de Lion
  type: MusicAlbum
  date published: 2020-09-25
isrc code: FR9W12017475
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T18:00:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x324c53c00af467f18af541fedd3fb0c7dc2d6a499ad9131c06b938394756c9f3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960448
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W12017475
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T18:48:12Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x324c53c00af467f18af541fedd3fb0c7dc2d6a499ad9131c06b938394756c9f3. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W12017475 — a six-check JSON result.
  date published: 2026-07-31T18:48:12Z
audio: Richard Cœur de lion, Acte II: Richard Cœur de Lion, Act II Scene 4: Duo. Une fièvre brûlante un jour me terrassait (Richard, Blondel)
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  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.386
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Richard Cœur de lion, Acte III: Richard Cœur de Lion, Act III Scene 6: Ronde et Chœur. Et zic et zic et fric et froc (Paysans, Chœur)
type: MusicRecording
duration: PT1M4S
duration ms: 64640
explicit: false
by artist: André-Ernest-Modeste Grétry
by artist: Herve Niquet
by artist: Le Concert Spirituel
in album: Grétry: Richard Cœur de Lion
  type: MusicAlbum
  date published: 2020-09-25
isrc code: FR9W12017481
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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Richard Cœur de lion, Acte III: Richard Cœur de Lion, Act III Scene 6: Combat
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duration ms: 105400
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by artist: Herve Niquet
by artist: Le Concert Spirituel
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T05:17:02Z
audio: Richard Cœur de lion, Acte III: Richard Cœur de Lion, Act III Scene 6: Combat
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Richard Cœur de lion, Acte III: Richard Cœur de Lion, Act III Final Scene: Marche noblement (Richard, La Comtesse, Blondel, Chœur, Laurette, Antonio, Florestan, Williams)
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duration ms: 264760
explicit: false
by artist: André-Ernest-Modeste Grétry
by artist: Herve Niquet
by artist: Le Concert Spirituel
by artist: Reinoud Van Mechelen
by artist: Marie Perbost
by artist: Enguerrand de Hys
by artist: Melody Louledjian
by artist: Jean-Gabriel Saint-Martin
by artist: Geoffroy Buffière
in album: Grétry: Richard Cœur de Lion
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10a6736145b648992cbcd2d53fca2f5e54376da71d067ce9da8b30681e0b8c33. Chain 2 (Bitcoin): anchored in block 960389 (2026-07-31T10:20:10Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W12017486 — a six-check JSON result.
  date published: 2026-07-31T10:20:10Z
audio: Richard Cœur de lion, Acte III: Richard Cœur de Lion, Act III Final Scene: Marche noblement (Richard, La Comtesse, Blondel, Chœur, Laurette, Antonio, Florestan, Williams)
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Chants de l'aube et du soir
type: MusicAlbum
date published: 2021-03-05

Fleurs
type: MusicAlbum
date published: 2020-11-20

Trip
type: MusicAlbum
date published: 2023-11-17

Debussy: La Damoiselle élue, Le martyre de Saint Sébastien & Nocturnes
type: MusicAlbum
date published: 2022-04-01
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
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    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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad14731b5b99c73ee4dc604bd05edcee80cfb50f506ba348b2e06f753e7cbb00. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X2177701 — a six-check JSON result.
    date published: 2026-07-31T19:53:13Z
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