San Francisco

Recording by Tor Endresen.

Recording identifiers

ISRC
FR2X41559055
CopyrightID (CopyrightChains transaction hash)
0x33809366d99dfa335580a34def26d2220a149e38ef38d2288b267ddc2e50a2ed
Copyright registration time
2026-06-26T09:41:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:6404bd5c09c71f5c13b024d28bc4a2f296bb30ccc0d663f1ebfdb3ef29c6147e

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.