Equipage de la Flotte de Toulon
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  date published: 2026-06-17T08:11:48Z
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album: Marches militaires
  type: MusicAlbum
  date published: 1986
  track: Inno dei sommergibile
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    by artist: Equipage de la Flotte de Toulon
    in album: Marches militaires
      type: MusicAlbum
      date published: 1986
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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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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x246e863b1e0110540b7edf2ca054edb3e954410404166510eba5461faefcf374. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/FRZ178500350.
      date published: 2026-07-06T01:26:17Z
    audio: Inno dei sommergibile
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      additional property: Valence (Positivity)
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      additional property: Key Name
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