Requiem in D Minor, K .626: II. Kyrie

Recording by Wolfgang Amadeus Mozart.

Recording identifiers

ISRC
FR7JM2384050
CopyrightID (CopyrightChains transaction hash)
0xdd681e15b31d2d901fdcddba18ee20c57fb8dd104d668ef73c208fd5f61222c1
Copyright registration time
2026-06-18T01:47:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:674e7d89f501eb25dabd0feed3c4a46515f04b3b04dec3aec3e32654af49a9e6

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.