Requiem: K. 626: Dies irae

Recording by Wolfgang Amadeus Mozart.

Recording identifiers

ISRC
USANG2498807
CopyrightID (CopyrightChains transaction hash)
0x0cc32924ff154cdd87d34474e5cf4a8ae22fbaa9742a5d6dd58cab391a130fbd
Copyright registration time
2026-06-04T11:05:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:7bbc20694c602dcba4cc50253a3e5da2f79e7b83ea10a698c590e30c189611f2

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.