Requiem aeternam: Lacrymosa

Recording by Franz von Suppé.

Recording identifiers

ISRC
DEAD62306107
CopyrightID (CopyrightChains transaction hash)
0x6e4950ce4d82f2e48b56e02e039dc38ce28e6f4fa4eba59a5f3b3f5f3e33f24e
Copyright registration time
2026-07-06T18:19:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T16:43:08Z
Bitcoin block
957064
Canonical record hash
sha256:c5934a40630596de56de321458a08a1ac91644d7060c464b1e4bbc860c285997

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.