はじまりとおわりのうた

Recording by Kikuo.

Recording identifiers

ISRC
JPE561202062
CopyrightID (CopyrightChains transaction hash)
0xa9b918c9fda626ae30e3662bc6e1bd2fad46b5f380e1e6a8abf04b0034da971c
Copyright registration time
2026-06-08T02:42:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:18dec2120b0472c8307dcbd908c2743a3586713922435b60ee942f93f95a1bac

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.