Ketsui

Recording by Yasuharu Takanashi.

Recording identifiers

ISRC
JPPC01203224
CopyrightID (CopyrightChains transaction hash)
0x024e0f5db0dc984c165c064daae092619b1e180af3948d8a97c70dada774e79c
Copyright registration time
2026-07-06T09:16:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-21T21:02:31Z
Bitcoin block
957061
Canonical record hash
sha256:4c77a599eca7130f498d63ae9b224d26bc3bd17422909b1ee07ec8e4737a6264

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.