ユメ科ウツツ科

Recording by Kyoko Koizumi.

Recording identifiers

ISRC
JPVI08401240
CopyrightID (CopyrightChains transaction hash)
0x753a06f4129aac2db2522f0cbb1c395491361f26536974e8918241f11dc9868c
Copyright registration time
2026-07-30T21:49:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T22:27:30Z
Bitcoin block
960321
Canonical record hash
sha256:4b92f96a2176ebf5e061ac8d9a6a46a02b1e42f61373f1ed8780004d02f2a20e

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.