California

Recording by Joni Mitchell.

Recording identifiers

ISRC
USRE19600226
CopyrightID (CopyrightChains transaction hash)
0x9add238469d492c9f42c899f9f69dada3c5a879454a88bba0b1e00171debe5b1
Copyright registration time
2026-06-01T06:51:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:d510ca5f85f2084b729fb3d838f970cb65c1f2bdb07574599a63312cd6989f8f

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.