Operation A

Recording by 電音部.

Recording identifiers

ISRC
JPR502401328
CopyrightID (CopyrightChains transaction hash)
0x868b9cd653b42a81c5b0d9c34fa4a283c03baf0e6ac8b30dca28ee59f96338e9
Copyright registration time
2026-06-27T08:00:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:9ba272634762af0c66b9e21b9ca9ab4d607629dffa768e9b25038e249a811de0

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.