For “F”(映画サイズ)

Recording by 石井あみ.

Recording identifiers

ISRC
JPD602301617
CopyrightID (CopyrightChains transaction hash)
0x3607d9493ec2ab1c977bfc65193a45103a1c55896105b61bce2f45e374fcd3e0
Copyright registration time
2026-06-19T09:30:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:a480ebfa34dc24d640097b8d42adcb3df12d02e1d095002d89bf66589575360f

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.