San Francisco

Recording by Sírex.

Recording identifiers

ISRC
ES5060624104
CopyrightID (CopyrightChains transaction hash)
0x57ed49015b9ff0e5dd242961892778e11b601a03c5a0a00eb6f106cac05cf8af
Copyright registration time
2026-06-25T22:38:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:604413245cad08f9a58a40276a7f21de07e994b54bd82fa3cce0853ca7a6c925

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.