Requiem in D Minor, K. 626: Dies Irae

Recording by Wolfgang Amadeus Mozart.

Recording identifiers

ISRC
DEX992090903
CopyrightID (CopyrightChains transaction hash)
0x05b2963cf8d6f9994872ff9a4940be0dbc981969a39d91f276b1fbaaf1a172e7
Copyright registration time
2026-07-06T20:35:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:817e0d932ed24112dd8ff0e483ce6f25d37964723eb92a6b54747584f8248367

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.