Passport

Recording by Charlie Haden.

Recording identifiers

ISRC
GBCBG0710802
CopyrightID (CopyrightChains transaction hash)
0xb3806fa846e2b45d8045d9690e3b07292e57f69360af55afa9eb33c565ffa8b9
Copyright registration time
2026-07-07T16:10:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:587be288aa87ff18096adf663d455a87cbc7a3e19f5b9dd72c11812cee11f282

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.