僕じゃない

Recording by Toshinobu Kubota.

Recording identifiers

ISRC
JPU901000007
CopyrightID (CopyrightChains transaction hash)
0xc686f24fb3d1bf6d3cb5ed2d31886395700776906741cf9c974c431f5e9bc7ca
Copyright registration time
2026-07-06T07:01:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-21T16:23:50Z
Bitcoin block
957075
Canonical record hash
sha256:aea7bfdb50cae341433aee23bc898f4bf3d676f2d56505c73e535bc1dfaf8781

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.