Missa 17: Kyrie A

Recording by Marek Klein.

Recording identifiers

ISRC
USX9P1347369
CopyrightID (CopyrightChains transaction hash)
0xb377ea94a5390d7b6dd832875e96ef1b1dcf868944d3cbf588ad291ab1a632eb
Copyright registration time
2026-07-31T01:37:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T02:19:15Z
Bitcoin block
960334
Canonical record hash
sha256:bdb69c9a4cbf9de48bb1b0c7e56c9cd242a2639377ece5318dca216b5f55afc4

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.