California

Recording by Marcin Czerwiński.

Recording identifiers

ISRC
PLR862200764
CopyrightID (CopyrightChains transaction hash)
0xbdb2dfb0cdd7d690d29fb13d07ac5b3c51e001fb7e3b64ae0e1f486f8617e6ab
Copyright registration time
2026-06-04T13:36:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:885023981e3b5e27e2ae1230a295a729efa969dd4c5761a8957f134f70a6e008

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.