Boas Razões (De Bonnes Raisons)

Recording by Zélia Duncan.

Recording identifiers

ISRC
BRPUI1100240
CopyrightID (CopyrightChains transaction hash)
0xcf1e9b392d0886b19dc526033f425cdd07f816c07b1b91177ee60c780fe0b014
Copyright registration time
2026-07-22T11:00:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-22T11:35:32Z
Bitcoin block
959123
Canonical record hash
sha256:6ace4f4f18c7d14ac3553483e9d3740e88afc7766899878911162b71f0f4d6eb

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.