Flapper

Recording by Kyoko Koizumi.

Recording identifiers

ISRC
JPVI08501680
CopyrightID (CopyrightChains transaction hash)
0xfa925e027727ae489f55af3c06ed282cc98c550637152966480082aa76487cfe

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T16:07:24Z
Bitcoin block
960429
Canonical record hash
sha256:c45e22dc1c41e9675ccd69cc6b35a67bab141dc40550a2cc0bf82bed1571bb51

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.