vs.2013 ~知覚と快楽の螺旋~

Recording by Masaharu Fukuyama.

Recording identifiers

ISRC
JPPO01333172
CopyrightID (CopyrightChains transaction hash)
0xcc2c31023909ee6e257aceb731ed05d78c249ab6f1c4c4e1ff9557f9f47cd259
Copyright registration time
2026-06-09T16:39:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:d263e0b95c524affafdd750699116f11fa7a4d51cc00709ec4975644393b5a35

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.