ETUDE - Le Mouvement Perpetuel du Professeur -

Recording by Junichi Matsumoto.

Recording identifiers

ISRC
JPVI02301181
CopyrightID (CopyrightChains transaction hash)
0x6b78c2fa8458a2bfd16c6bfa264291bf53c3c3a98d9f5468bb3bf71f4cefab34
Copyright registration time
2026-07-07T02:29:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:3265f1542a4072a39f6d8c0ccbb16cefced4b559575fa4f65d6113753496be7c

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.