よくやるね

Recording by Akiko Wada.

Recording identifiers

ISRC
JPE509100001
CopyrightID (CopyrightChains transaction hash)
0xc3f0564aecb11a506fe5de7d78cb36d5a68078ddb28864404e91a258764048fc
Copyright registration time
2026-07-31T17:44:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T18:48:12Z
Bitcoin block
960448
Canonical record hash
sha256:56bcc971542db10403d9ff22e427a3ed558521b17d338a9ce16e99884d78c3b7

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.