優しい夜の過し方

Recording by Kazuhiko Kato.

Recording identifiers

ISRC
JPSR08329600
CopyrightID (CopyrightChains transaction hash)
0x0b031722895b4d47c0b0991be04e4888b62723d41fd7a7106a7a0f45bc6b9f6a
Copyright registration time
2026-06-27T01:12:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T11:38:34Z
Bitcoin block
956351
Canonical record hash
sha256:094a95c4e2fe318b12351fc2bdfb9b577e0133e5484d21fb3146c5534380a5c3

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.