California

Recording by 海龟先生.

Recording identifiers

ISRC
CNA231202108
CopyrightID (CopyrightChains transaction hash)
0x9831653ecb852c4bcc74cbb2750c4af3b4ac9e96b53718b84fe2cbff78d17e9e
Copyright registration time
2026-06-22T15:06:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:7754fd41de99b471dc4bba5d5812a579ab61c65cd8444021ae7584cb911a53f2

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.