Missa brevis, Op. 43: Kyrie

Recording by Kammarkoren.

Recording identifiers

ISRC
SEBAC9817120
CopyrightID (CopyrightChains transaction hash)
0xb4615f4cba2b61aad8a7b4243eaffa4084b8e053ba16c48c44e35bb1f824b962
Copyright registration time
2026-03-20T05:12:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:b383952fec099b31ba1c85cedda123da7196141c1190816661fbdec10752c90c

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.