それはちょっと

Recording by Ozawa Kenji.

Recording identifiers

ISRC
JPTO09501070
CopyrightID (CopyrightChains transaction hash)
0x66aa660a64e9aed11b23a345de1b7169393285871052091acdd25d7ff5c0881c
Copyright registration time
2026-06-09T19:10:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T17:25:41Z
Bitcoin block
953536
Canonical record hash
sha256:ddc839903af7688cfd7f5e24901dd2d04dfab437776371310388f92780f95a80

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.