Célio e Serginho
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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: 2026-07-08T03:22:41Z
    audio: O Que Tiver Que Vir Virá
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  track: Chora Viola / Caminheiro / Ladrão de Mulher / O Campeão / A Vaca Já Foi pro Brejo
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      date published: 2017-10-30
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-31T05:17:02Z
    audio: Chora Viola / Caminheiro / Ladrão de Mulher / O Campeão / A Vaca Já Foi pro Brejo
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  track: Amor Demais / Mercedita / Canarinho Prisioneiro
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      date published: 2017-10-30
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    subject of: OpenTimestamps Proof of Existence
    audio: Amor Demais / Mercedita / Canarinho Prisioneiro
  track: A Loira do Carro Branco
album: Pagando de Santinha
album: 30 Anos (Acústico) [Ao Vivo]
album: Anjo (Ao Vivo)

OTSTimestamp
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value: 2026-07-08T03:22:41Z

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

OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:22:41Z

Amor Demais / Mercedita / Canarinho Prisioneiro
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A Loira do Carro Branco
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T21:25:57Z
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Pagando de Santinha
type: MusicAlbum
date published: 2023-01-05

30 Anos (Acústico) [Ao Vivo]
type: MusicAlbum
date published: 2023-09-29

Anjo (Ao Vivo)
type: MusicAlbum
date published: 2025-10-13