Missa pro Quadragesima, MH 551: Kyrie

Recording by Michael Haydn.

Recording identifiers

ISRC
HUA253256708
CopyrightID (CopyrightChains transaction hash)
0x32341145c1d19ca2aead28ae15ca197070070b169baea01dc591e6eac9591253

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T01:44:32Z
Bitcoin block
960494
Canonical record hash
sha256:fd4e69ed849bb416ff9309ee6b5264314eee473d8cffb92a664284e9de0185fc

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.