おべんとうばこのうた

Recording by 坂田おさむ.

Recording identifiers

ISRC
JPKI08792880
CopyrightID (CopyrightChains transaction hash)
0x120578f427347c3263953a493d1619f82830c907ff20e49d03406e9e5645241b
Copyright registration time
2026-06-20T04:20:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:fe4da11a5c4c1c596b9d02facf93968fc14308c9f6d12581af87cbf179745d80

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.