なんとなく なんとなく ~at SANTA MONICA BEACH 1991.9.16

Recording by Hiroshi Kamayatsu.

Recording identifiers

ISRC
JPFL09102830
CopyrightID (CopyrightChains transaction hash)
0x9d45dbea41edba616779271c9cb63835a2b23cc024abd7177ed3b8d0ad069456
Copyright registration time
2026-06-28T01:06:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T16:51:38Z
Bitcoin block
956375
Canonical record hash
sha256:57c81f75e32a562f90e393539a2d012e6a2b1c63199bbf13417651404e3cd1a4

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.