Lacrimosa

Recording by Kalafina.

Recording identifiers

ISRC
JPU900900028
CopyrightID (CopyrightChains transaction hash)
0xb3c58c14dc9fa6492f1d2c486c10bf856f9337e711204f2200a75deff97ce1f6
Copyright registration time
2026-06-04T14:27:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:64319b340c2b8d8f841f237890da2bbec8b5a91053637b9d925f96db64038b69

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.