Flapper

Recording by Kyoko Koizumi.

Recording identifiers

ISRC
JPVI08501680
CopyrightID (CopyrightChains transaction hash)
0xfa925e027727ae489f55af3c06ed282cc98c550637152966480082aa76487cfe
Copyright registration time
2026-07-30T12:15:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T12:45:34Z
Bitcoin block
960258
Canonical record hash
sha256:5c4dfde1a6062d96be8f097d8a6d4a08d43dbcd3be5e81a1d75d504acfd3f94e

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.