シンプル

Recording by Yu Takahashi.

Recording identifiers

ISRC
JPWP01771390
CopyrightID (CopyrightChains transaction hash)
0x774bea971cf54df489ad7b7cd672673b28bbd411e16e072b2566c0211cfd997a
Copyright registration time
2026-06-17T21:10:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:a74388f8ea35791339584d5d81b2f7d648d681841f2d5256d3f9eb73c686df06

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.