石川大阪友好条約

Recording by Ai Otsuka.

Recording identifiers

ISRC
JPB600423905
CopyrightID (CopyrightChains transaction hash)
0x8ed1d61da3e486cd95c7f8fe078c9ca7e84380e022411e4ea66a5aca50e577bd
Copyright registration time
2026-06-23T01:46:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T05:09:12Z
Bitcoin block
956312
Canonical record hash
sha256:30c0894cc0ea3943c71e5537debaa0928fec635f2000ad6ea9cf7dad7bb2f40d

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.