O Urubu e o Gaviao

Recording by Pixinguinha.

Recording identifiers

ISRC
FR6V80705229
CopyrightID (CopyrightChains transaction hash)
0x621d448438039055f1ce95c1845e26238decd56cdaafda039cb4cb65eb6abaea
Copyright registration time
2026-07-06T08:30:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-13T07:53:33Z
Bitcoin block
957819
Canonical record hash
sha256:73919cb778b73d16c44d0df5f7203658f355763adc0aed674031c060eb95d836

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.