Staff Roll

Recording by Motohiro Kawashima 川島 基宏.

Recording identifiers

ISRC
JPV532000161
CopyrightID (CopyrightChains transaction hash)
0xec0da1710cf04334972a9369bc3f2d14d8aeac41fcb8cc4fc83c972b7b260aaf
Copyright registration time
2026-06-08T19:22:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:c77b7be39bb55cce9bd423ae2674fe0da3546c80a8f80698f3dd2356270be33a

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.