どんないいこと

Recording by Yukihiro Takahashi.

Recording identifiers

ISRC
JPTO09627680
CopyrightID (CopyrightChains transaction hash)
0x36d853c59c15e67697b4a67716e3fd74fd1674393a94f9cd4f27be3bdd3a9425
Copyright registration time
2026-06-20T23:31:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:86bf3be03253178c08c8ccba55f3a12aa6977e3fe20f03fa7ae39c78073ba5ce

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.