Lacrimosa - The Requiem

Recording by Classical Study Music.

Recording identifiers

ISRC
SEWDL6137529
CopyrightID (CopyrightChains transaction hash)
0xa5c027e8d29717d7053e695c6f6c3d148bc4eb0663c12736ef225cc8ebe060cd
Copyright registration time
2026-06-23T07:45:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:5bd632e5e5d9b8476baad6f836a0cfe5da25667fb2c0facb77e4fd3941998ec3

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.