La La La...

Recording by Kyoko Koizumi.

Recording identifiers

ISRC
JPVI09010770
CopyrightID (CopyrightChains transaction hash)
0x2f7dd602223f99830b1bc14f11f8c99cdcd3cb7972f4f7f56271baaaf5e2f85a
Copyright registration time
2026-07-30T00:59:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T01:10:20Z
Bitcoin block
960183
Canonical record hash
sha256:ab2738e654b69b5a13e29b54c3aa4558de266998efc1eef7fe014122390d22f0

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.