São Francisco

Recording by Ney Matogrosso.

Recording identifiers

ISRC
BRPGD8000030
CopyrightID (CopyrightChains transaction hash)
0x3a1ebaea4cea0bab17758b42cfb45fd4335e76e6922b3a6b316ab0eacd495ac5
Copyright registration time
2026-06-10T04:03:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:d022290d929f0d54fc29a9ccc011f1405c2133459c6e32c0bf46645554eca653

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.