Manny Delgado y Su Conjunto
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album: La Musica de Venezuela
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  date published: 1994
track: Concierto en la Llanura
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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
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    date published: 2026-08-01T03:50:58Z
  audio: Concierto en la Llanura
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    additional property: Speechiness
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    additional property: Acousticness
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track: Pasillaneando
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  by artist: Manny Delgado y Su Conjunto
  in album: Los Más Bellos Pasajes Llaneros
    type: MusicAlbum
    date published: 2009-11-10
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
  audio: Pasillaneando
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track: Mosaico Tradicional
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  by artist: Manny Delgado y Su Conjunto
  in album: Los Más Bellos Aguinaldos Tradicionales
    type: MusicAlbum
    date published: 2009-10-22
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  subject of: OpenTimestamps Proof of Existence
  audio: Mosaico Tradicional

OTSVerificationAPI
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OTSTimestamp
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value: 2026-07-31T04:14:58Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88baa9bf02d56010d8b633241349232fa8b34e8074d41646a27360203533756c. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), 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/USZZR0911005.
date published: 2026-07-31T04:14:58Z

Mosaico Tradicional
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