Lullaby

Recording by 渡辺翔太.

Recording identifiers

ISRC
JPZ922300377
CopyrightID (CopyrightChains transaction hash)
0x8e7ff171bb25584ab6c840bedbb65bde6fdb21c17310b1cd2e784f376bbee854
Copyright registration time
2026-07-07T23:29:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:f18eb6d8cc7f92c7de55e736192a94447bb411ee465b45121ba0f49cdd1a6fba

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.