San Francisco

Recording by Conjunto Rio Grande.

Recording identifiers

ISRC
QZMTJ2110324
CopyrightID (CopyrightChains transaction hash)
0x6b2ea46eabd360ca4b8b2784762f254e9ed99f469f4f42e879b51f86efceb6f0
Copyright registration time
2026-07-30T00:30:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T00:53:20Z
Bitcoin block
960181
Canonical record hash
sha256:ebf909088b67ad9e895ec2e62dd59547f8109326c81e7cc0c6df1b95c4fcb5fd

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.