Requiem in D Minor, K. 626: Kyrie

Recording by Wolfgang Amadeus Mozart.

Recording identifiers

ISRC
DEX992090902
CopyrightID (CopyrightChains transaction hash)
0x8a982f73f2e947aef3f4c2e593214094988462e8094f257dfb7d6b41fcfb5136
Copyright registration time
2026-07-30T09:59:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T10:42:33Z
Bitcoin block
960247
Canonical record hash
sha256:026504086e3ad1c6810119d36166ffe43661c4f2678a2a24552eaeaef350b02f

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.