今更のブルース

Recording by 山本譲二.

Recording identifiers

ISRC
JPTE01906560
CopyrightID (CopyrightChains transaction hash)
0xb151beadc80cec2d9c286483235e419d6ebea6f4df1d13edb4252794aec0b165
Copyright registration time
2026-06-24T23:09:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:c34882e228bab29e6b798ff9afb6b64c665c4131532efd1e57e2d61e70ccdd0c

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.