歌うたいのバラッド

Recording by 広橋真紀子.

Recording identifiers

ISRC
JPQ701300011
CopyrightID (CopyrightChains transaction hash)
0xb029c5c22186708cad22610920ef45c53f9d30813a0deefc045ce4faff202e90
Copyright registration time
2026-06-08T07:24:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:83d08bff95e81c9d49cb21f06f82e6303f31fe86475bc7bcc7e7d87d6fc5b608

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.