San Francisco

Recording by Steve Tannen.

Recording identifiers

ISRC
QZHN52119820
CopyrightID (CopyrightChains transaction hash)
0x98e942327c62aa3ae77d1d239e43452532fdb94cb3ab03123b3a4c77752b4e06
Copyright registration time
2026-06-28T00:47:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T16:51:38Z
Bitcoin block
956375
Canonical record hash
sha256:adef31a1925df8c56abc31633e6e1b04ec220f67181651064eec5b35cabdf158

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.