ひとつだけ

Recording by Akiko Yano.

Recording identifiers

ISRC
JPA308000126
CopyrightID (CopyrightChains transaction hash)
0xfda55642f0ab349789c44e3f92207270ec102e05482b9fae6a2e046846606c66
Copyright registration time
2026-06-18T03:38:02+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:863da55bcb7f7a93807bd14b07cfe1dcc842b1e23bdfdbe296873e3f20df3ac5

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.