おかし

Recording by Rei Harakami.

Recording identifiers

ISRC
JPB621600721
CopyrightID (CopyrightChains transaction hash)
0x80409ebbf5b5e420a923a636e0de2f10bbd041c537af11ee74b228eb5cc67eb4
Copyright registration time
2026-07-06T02:18:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-21T09:11:56Z
Bitcoin block
956891
Canonical record hash
sha256:e71f4dc25f6b06689fc72cdb5706d78ca343b60a9720d01029f9ea63e1108d46

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.