Lullaby

Recording by Aiko Matsuhisa.

Recording identifiers

ISRC
SEWDL6037202
CopyrightID (CopyrightChains transaction hash)
0x404d267922cf95f357c84a881312224f5e11a1bb77bfa518166cb49eef80d341
Copyright registration time
2026-06-20T04:03:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:5db9e96f29f39fca4cea8877fdd5ddb39c848304f9eb9bace26b63c1e1688113

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.