ある晴れた悲しい朝

Recording by Crazy Ken Band.

Recording identifiers

ISRC
JPV500400006
CopyrightID (CopyrightChains transaction hash)
0x191282fcb3891ee8852c93ae5fc223afd3caa4308d57eaf2af74eee435f1b08d
Copyright registration time
2026-07-29T15:34:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T15:38:18Z
Bitcoin block
960125
Canonical record hash
sha256:2fceff37d7d65e250cdfa857efe1d0a7ad2d612ce612abfda69adc6bac5355b8

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.