つめたい耳

Recording by Jun Mayuzumi.

Recording identifiers

ISRC
JPTO08929170
CopyrightID (CopyrightChains transaction hash)
0xcadd5812877865253ce6621d918217ea66c6ab43515f59e3913e8b0d6f36b5fc
Copyright registration time
2026-07-31T04:32:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T05:17:02Z
Bitcoin block
960348
Canonical record hash
sha256:5a5be766676dc55e0360ba543ebfbc2f32be6be32b607ebc651a94523799b300

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.