Lalalai

Recording by Yu Sakai.

Recording identifiers

ISRC
JPBV01220506
CopyrightID (CopyrightChains transaction hash)
0x105f945e905ab4ab9e93d9e2e9cc8e95a86e42c14e8a764a466983a72eb9d723
Copyright registration time
2026-07-31T12:29:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T13:04:34Z
Bitcoin block
960403
Canonical record hash
sha256:479f993e15e96b946995266b7f78813a23f0964ea8b47349a22f18cee96676e2

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.