One choice

Recording by Hinatazaka46.

Recording identifiers

ISRC
JPU902301581
CopyrightID (CopyrightChains transaction hash)
0x70ee6a8484b8706b316c4b2d0dfcc2df7593bb37fb21ea5ab6684729179042de
Copyright registration time
2026-06-04T15:22:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:2c8d0ee8348d9f202b468cacd2b97ce4798e94834a990b9fe4ced4b55d4b6704

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.