せっかちと

Recording by Kazuhiko Kato.

Recording identifiers

ISRC
JPTO09103710
CopyrightID (CopyrightChains transaction hash)
0xb52c706749d80dc47a04a2b631dcef8bc9523bb550723faf26923e489ed2673e
Copyright registration time
2026-07-07T23:55:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:39aebec221f64492b49f9a5459467dde1a6d83a78c358d2540aa7a347c690e86

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.