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additional property: OTSBitcoinBlock
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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: 2026-06-20T14:36:29Z
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track: Sonate n° 8 "Pathétique", Op. 13 en do mineur: Beethoven Sonate n° 8 : II - Adagio Cantabile
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  by artist: Ludwig van Beethoven
  by artist: Jean-Marc Luisada
  by artist: Franck Mikko
  in album: Je n'aime toujours pas le classique, mais ça j'aime bien
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    date published: 2010-09-20
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  genre: classical-piano
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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
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc6b224be061f9c34e3558f4c13dd956bea5d4127e96076bea06d19e56af2794. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/FRZ050600538.
    date published: 2026-07-08T03:20:19Z
  audio: Sonate n° 8 "Pathétique", Op. 13 en do mineur: Beethoven Sonate n° 8 : II - Adagio Cantabile
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track: Sonate n° 8 "Pathétique", Op. 13 en do mineur: Beethoven Sonate n° 8 : II - Adagio Cantabile
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  by artist: Franck Mikko
  in album: Ich mag immer noch keine Klassik, aber das gefällt mir gut!
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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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    date published: 2026-07-08T03:53:27Z
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track: Concerto pour piano et orchestre n° 4 op. 58, en sol majeur: Beethoven Concerto piano n° 4 : I - Allegro Moderato

Concerto pour piano et orchestre n° 4 op. 58, en sol majeur: Beethoven Concerto piano n° 4 : I - Allegro Moderato
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by artist: Ludwig van Beethoven
by artist: Jean-Marc Luisada
by artist: Franck Mikko
in album: Beethoven - Concerto N°4, Sonates Op.13§109
  type: MusicAlbum
  date published: 2007-01-05
popularity: 0
genre: classical
genre: classical-piano
genre: chamber-music
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14e43b919a9cdef34a832bc55e48fb04b59d48315882a03d43fbd13c8bf2e81c. Chain 2 (Bitcoin): anchored in block 960497 (2026-08-01T02:22:04Z), 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/FRZ050600529.
  date published: 2026-08-01T02:22:04Z
audio: Concerto pour piano et orchestre n° 4 op. 58, en sol majeur: Beethoven Concerto piano n° 4 : I - Allegro Moderato
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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

Liveness
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value: 0.109

Valence (Positivity)
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Loudness (dB)
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value: -31.574

Key Name
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Mode Name
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