Missa "Congratulamini mihi": Kyrie a 6

Recording by Orlande de Lassus.

Recording identifiers

ISRC
DEF059630309
CopyrightID (CopyrightChains transaction hash)
0x1c17ffff77a667564e5db30772478d9fba38c121e84604607d237b0cdd3605f5
Copyright registration time
2026-07-30T14:40:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T14:53:07Z
Bitcoin block
960268
Canonical record hash
sha256:8cd5097bd57f7d3ee74c3adf1ca186da536f2c10756279aa6281069763cd583f

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.