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additional property: OTSVerifyInstructions
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  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
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  date published: 2026-06-20T21:47:54Z
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track: L'enfant et les sortilèges, M. 71, Pt. 1: Part I: Adieu, pastourelles (The Shepherds, The Shepherdesses, A Shepherd, A Shepherdess)
track: L'enfant et les sortilèges, M. 71, Pt. 2: Part II: Music of insects, of frogs, of toads, … (Chorus)
track: L'enfant et les sortilèges, M. 71, Pt. 2: Part II: Ah! C'est l'enfant au couteau! (The Beasts, The Trees)
track: L'enfant et les sortilèges, M. 71, Pt. 2: Part II: Il est bon, l'enfant, il est sage (The Beasts, L'enfant)
track: L'enfant et les sortilèges, M. 71, Pt. 2: Part II: Ah! Quelle joie de te retrouver, Jardin! (L'enfant, The Tree, Other Trees)
track: L'enfant et les sortilèges, M. 71, Pt. 2: Part II: Ou est tu? Je te cherche… (The Dragonfly, The Nightingale, L'enfant)
track: L'enfant et les sortilèges, M. 71, Pt. 2: Part II: Il a panse la plaie (The Beasts)

L'enfant et les sortilèges, M. 71, Pt. 1: Part I: Adieu, pastourelles (The Shepherds, The Shepherdesses, A Shepherd, A Shepherdess)
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by artist: Maurice Ravel
by artist: Julie Pasturaud
by artist: Ingrid Perruche
by artist: Chœur Britten
by artist: Jeune Chœur symphonique
by artist: Orchestre National De Lyon
by artist: Leonard Slatkin
in album: Ravel: L'enfant et les sortilèges, M. 71 & Ma mère l'oye, M. 62
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genre: classical
genre: impressionism
genre: neoclassicism
genre: post-romantic-era
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additional property: OTSVerifyInstructions
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additional property: ProofProfileEvidenceStatus
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T08:27:05Z
audio: L'enfant et les sortilèges, M. 71, Pt. 1: Part I: Adieu, pastourelles (The Shepherds, The Shepherdesses, A Shepherd, A Shepherdess)
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L'enfant et les sortilèges, M. 71, Pt. 2: Part II: Music of insects, of frogs, of toads, … (Chorus)
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by artist: Chœur Britten
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by artist: Orchestre National De Lyon
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in album: Ravel: L'enfant et les sortilèges, M. 71 & Ma mère l'oye, M. 62
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genre: classical
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: L'enfant et les sortilèges, M. 71, Pt. 2: Part II: Music of insects, of frogs, of toads, … (Chorus)
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L'enfant et les sortilèges, M. 71, Pt. 2: Part II: Ah! C'est l'enfant au couteau! (The Beasts, The Trees)
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duration: PT0M38S
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explicit: false
by artist: Maurice Ravel
by artist: Chœur Britten
by artist: Jeune Chœur symphonique
by artist: Orchestre National De Lyon
by artist: Leonard Slatkin
in album: Ravel: L'enfant et les sortilèges, M. 71 & Ma mère l'oye, M. 62
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  date published: 2015-10-02
genre: classical
genre: impressionism
genre: neoclassicism
genre: post-romantic-era
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: L'enfant et les sortilèges, M. 71, Pt. 2: Part II: Ah! C'est l'enfant au couteau! (The Beasts, The Trees)
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L'enfant et les sortilèges, M. 71, Pt. 2: Part II: Il est bon, l'enfant, il est sage (The Beasts, L'enfant)
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by artist: Maurice Ravel
by artist: Julie Pasturaud
by artist: Chœur Britten
by artist: Jeune Chœur symphonique
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by artist: Leonard Slatkin
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genre: classical
genre: impressionism
genre: neoclassicism
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additional property: OTSVerifyInstructions
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  date published: 2026-07-02T03:30:09Z
audio: L'enfant et les sortilèges, M. 71, Pt. 2: Part II: Il est bon, l'enfant, il est sage (The Beasts, L'enfant)
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L'enfant et les sortilèges, M. 71, Pt. 2: Part II: Ah! Quelle joie de te retrouver, Jardin! (L'enfant, The Tree, Other Trees)
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by artist: Leonard Slatkin
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genre: classical
genre: impressionism
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  date published: 2026-07-30T12:06:10Z
audio: L'enfant et les sortilèges, M. 71, Pt. 2: Part II: Ah! Quelle joie de te retrouver, Jardin! (L'enfant, The Tree, Other Trees)
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  value: 960254
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960254
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T12:06:10+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

L'enfant et les sortilèges, M. 71, Pt. 2: Part II: Ou est tu? Je te cherche… (The Dragonfly, The Nightingale, L'enfant)
type: MusicRecording
duration: PT1M43S
duration ms: 103186
explicit: false
by artist: Maurice Ravel
by artist: Delphine Galou
by artist: Annick Massis
by artist: Helene Hebrard
by artist: Chœur Britten
by artist: Jeune Chœur symphonique
by artist: Orchestre National De Lyon
by artist: Leonard Slatkin
in album: Ravel: L'enfant et les sortilèges, M. 71 & Ma mère l'oye, M. 62
  type: MusicAlbum
  date published: 2015-10-02
genre: classical
genre: impressionism
genre: neoclassicism
genre: post-romantic-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6664fb0f4d28ba2900613dc5ed6025b24ec8cb0977a8c1e509c0a3646253acb. Chain 2 (Bitcoin): anchored in block 960276 (2026-07-30T16:01:17Z), 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/HKI191508418.
  date published: 2026-07-30T16:01:17Z
audio: L'enfant et les sortilèges, M. 71, Pt. 2: Part II: Ou est tu? Je te cherche… (The Dragonfly, The Nightingale, L'enfant)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 167.923
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.247
  additional property: Energy
    type: PropertyValue
    value: 0.095
  additional property: Speechiness
    type: PropertyValue
    value: 0.06
  additional property: Acousticness
    type: PropertyValue
    value: 0.866
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.201
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.833
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: HKI191508418
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: 960276
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T16:01:17+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191508418
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960276
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960276
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T16:01:17+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

L'enfant et les sortilèges, M. 71, Pt. 2: Part II: Il a panse la plaie (The Beasts)
type: MusicRecording
duration: PT2M25S
duration ms: 145160
explicit: false
by artist: Maurice Ravel
by artist: Julie Pasturaud
by artist: Chœur Britten
by artist: Jeune Chœur symphonique
by artist: Orchestre National De Lyon
by artist: Leonard Slatkin
in album: Ravel: L'enfant et les sortilèges, M. 71 & Ma mère l'oye, M. 62
  type: MusicAlbum
  date published: 2015-10-02
genre: classical
genre: impressionism
genre: neoclassicism
genre: post-romantic-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8604514a9cbde131bab37f3d08e926bda5e9e255fc70b4c4381a0d47a208123b. Chain 2 (Bitcoin): anchored in block 960164 (2026-07-29T23:23:05Z), 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/HKI191508424.
  date published: 2026-07-29T23:23:05Z
audio: L'enfant et les sortilèges, M. 71, Pt. 2: Part II: Il a panse la plaie (The Beasts)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 151.278
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.399
  additional property: Energy
    type: PropertyValue
    value: 0.028
  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
    value: 0.964
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.685
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.25
  additional property: Loudness (dB)
    type: PropertyValue
    value: -38.932
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: HKI191508424
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: 960164
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T23:23:05+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191508424
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960164
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960164
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T23:23:05+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