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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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8817161c53d85ef6cfe57530a51d61fec9f80555ccf8da668b2c5590038d6a02. Chain 2 (Bitcoin): anchored in block 953997 (2026-06-16T20:07:57Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2a3f16a5-6dd7-4dc7-9981-302a51a191f8.json and https://artists.proofprofile.net/proofs/artist/2a3f16a5-6dd7-4dc7-9981-302a51a191f8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T20:07:57Z
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album: R'N'B en France - Volume 2 (22 Hits)
  type: MusicAlbum
  date published: 2020-04-13
album: L'essentiel des tubes de l'été - Volume 1 (25 Hits)
  type: MusicAlbum
  date published: 2020-04-13
album: L'essentiel des tubes de l'été - Volume 2 (25 Hits)
  type: MusicAlbum
  date published: 2020-04-13
album: R'N'B en France - Volume 2 (22 Hits)
  type: MusicAlbum
  date published: 2020-04-13
album: Les plus belles chansons des comédies musicales - 20 Hits
  type: MusicAlbum
  date published: 2020-04-13
album: L'essentiel du Zouk
  type: MusicAlbum
  date published: 2020-04-13
album: Les plus belles chansons des comédies musicales - 20 Hits
  type: MusicAlbum
  date published: 2020-04-13
album: L'essentiel des hits français des années 2000 - Volume 2
  type: MusicAlbum
  date published: 2020-04-20
album: L'essentiel des hits français des années 2000 - Volume 1
  type: MusicAlbum
  date published: 2020-04-20
album: Tous mes tubes Pop des années 2000 - Volume 2
  type: MusicAlbum
  date published: 2020-04-20
album: Tous mes tubes Pop des années 2000 - Volume 1
  type: MusicAlbum
  date published: 2020-04-20
album: L'essentiel des hits français des années 2000 - Volume 1
  type: MusicAlbum
  date published: 2020-04-20
album: La grande rigolade - 35 chansons pour se poiler
  type: MusicAlbum
  date published: 2020-04-20
album: L'essentiel des hits français des années 2000 - Volume 2
  type: MusicAlbum
  date published: 2020-04-20
album: La grande rigolade - 35 chansons pour se poiler
  type: MusicAlbum
  date published: 2020-04-20
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-05T10:01:46Z
    audio: Comme des connards
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  track: Le Frunkp
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    subject of: OpenTimestamps Proof of Existence
    audio: Le Frunkp

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc49cbdd0736ec066ee055e86d5387f79bfccd51f5d62177933fb21694d7f5d81. Chain 2 (Bitcoin): anchored in block 958853 (2026-07-20T11:25:03Z), 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/FRP7P2016250.
date published: 2026-07-20T11:25:03Z

Le Frunkp
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