Marin Chapoutot
type: MusicGroup
popularity: 6
followers: 170
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additional property: CopyrightChainExplorerURL
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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: 2026-06-17T08:10:43Z
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album: Prodiges - Saison 3
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  date published: 2017-02-07
  track: Mozart: Clarinet Concerto in A Major, K. 622: II. Adagio
  track: Bechet: Petite Fleur (Transcr. for Clarinet & Piano)
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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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e5518ec733c9d160b85231063eb6cf51d7ec48e472138ab097228d8003c06f7. 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/GBAYC1702531.
      date published: 2026-07-08T03:22:41Z
    audio: Bechet: Petite Fleur (Transcr. for Clarinet & Piano)
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  track: Shostakovich / Transcr. Walter for Orchestra: Suite for Jazz Orchestra No. 2, Op. 50b: No. 2, Waltz
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      date published: 2017-02-07
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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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
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      date published: 2026-07-08T03:53:27Z
    audio: Shostakovich / Transcr. Walter for Orchestra: Suite for Jazz Orchestra No. 2, Op. 50b: No. 2, Waltz
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  track: Morricone: Gabriel's Oboe (From "The Mission") [Transcr. Longfield for Clarinet & Orchestra]
  track: Rota: Trio for Clarinet, Cello & Piano: II. Andante
  track: Bruch: 8 Pieces for Clarinet, Viola and Piano, Op. 83: III. Andante con moto
  track: Colombier: Emmanuel
  track: Gounod: Ave Maria, CG 89a (After J.S. Bach) [Arr. for Clarinet & Piano]
track: Morricone: Gabriel's Oboe (From "The Mission") [Transcr. Longfield for Clarinet & Orchestra]

Mozart: Clarinet Concerto in A Major, K. 622: II. Adagio
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duration: PT6M40S
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explicit: false
by artist: Marin Chapoutot
in album: Prodiges - Saison 3
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  date published: 2017-02-07
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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
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Mozart: Clarinet Concerto in A Major, K. 622: II. Adagio
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Bruch: 8 Pieces for Clarinet, Viola and Piano, Op. 83: III. Andante con moto
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duration: PT7M4S
duration ms: 424133
explicit: false
by artist: Marin Chapoutot
in album: Prodiges - Saison 3
  type: MusicAlbum
  date published: 2017-02-07
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x619d7ddc5d42732439e222a4e8551c406615711464cd170aacac91ff89bb2b37. Chain 2 (Bitcoin): anchored in block 960198 (2026-07-30T02:21:55Z), 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/GBAYC1702532.
  date published: 2026-07-30T02:21:55Z
audio: Bruch: 8 Pieces for Clarinet, Viola and Piano, Op. 83: III. Andante con moto
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additional property: CopyrightID
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additional property: OTSVerificationAPI
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Colombier: Emmanuel
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duration: PT2M43S
duration ms: 163453
explicit: false
by artist: Marin Chapoutot
in album: Prodiges - Saison 3
  type: MusicAlbum
  date published: 2017-02-07
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34d9cb240a430bd0a4955923d8042c3dbfe0da3e52d052db7b7c592d94c55b30. Chain 2 (Bitcoin): anchored in block 960218 (2026-07-30T06:57:05Z), 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/GBAYC1702534.
  date published: 2026-07-30T06:57:05Z
audio: Colombier: Emmanuel
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  additional property: Acousticness
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additional property: OTSVerificationAPI
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Gounod: Ave Maria, CG 89a (After J.S. Bach) [Arr. for Clarinet & Piano]
type: MusicRecording
duration: PT2M38S
duration ms: 158360
explicit: false
by artist: Marin Chapoutot
in album: Prodiges - Saison 3
  type: MusicAlbum
  date published: 2017-02-07
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x748edb28d197a4d1c716113602412504b00a1271c50985e37e9b7137f08bc50d. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), 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/GBAYC1702535.
  date published: 2026-07-31T21:25:57Z
audio: Gounod: Ave Maria, CG 89a (After J.S. Bach) [Arr. for Clarinet & Piano]
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Loudness (dB)
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Key Name
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Mode Name
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Morricone: Gabriel's Oboe (From "The Mission") [Transcr. Longfield for Clarinet & Orchestra]
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duration: PT3M22S
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in album: Prodiges - Saison 3
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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
subject of: OpenTimestamps Proof of Existence
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