Affirmation

Recording by パソコン音楽クラブ.

Recording identifiers

ISRC
JPWP02101044
CopyrightID (CopyrightChains transaction hash)
0x2e7c954c03c1e69ef23fffd39b3143e3c0d00632e5e8c10d61d1436201b40504
Copyright registration time
2026-06-22T04:43:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:cf51cbbc75fe04fed1e0f1ae8b6162c01d4cdca18784fe70e36447a25a089476

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.