Missa 17: Kyrie C

Recording by Marek Klein.

Recording identifiers

ISRC
USX9P1347371
CopyrightID (CopyrightChains transaction hash)
0x6983e8a60cb103584ac64ca7f03582c6a88ff251898cc826c7c6ee40cae6bf14
Copyright registration time
2026-07-31T01:23:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T02:19:15Z
Bitcoin block
960334
Canonical record hash
sha256:969210efa2685bdc7a7c4d41331bf73d16a0853d3a79c65bdf5a6d7eeb5c2739

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.