Cypher: Papo De Função - Trabalhando Com a Verdade
type: MusicRecording
duration: PT8M28S
duration ms: 508682
explicit: false
by artist: Perdidão
by artist: Koba
by artist: astronauta beats
by artist: Thawan
by artist: Paulera
by artist: Stevan
by artist: DGS
by artist: Fantasma
in album: Cypher: Papo De Função (Trabalhando Com a Verdade)
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  date published: 2023-07-14
isrc code: BXNT62205428
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additional property: OTSVerificationAPI
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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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31aac0b2ef76b410e96da3a5ee21bda06911c4a7d4b96a5ab8098d824a02d6b2. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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/BXNT62205428.
  date published: 2026-07-31T22:27:44Z
audio: Cypher: Papo De Função - Trabalhando Com a Verdade
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  additional property: Key Name
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    value: B
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