Missa Secunda, Messe für vierstimmigen Chor: Kyrie

Recording by Hans Leo Hassler.

Recording identifiers

ISRC
DEC297015601
Release date of the album this recording appears on
2015-11-06
CopyrightID (CopyrightChains transaction hash)
0xdf77838b191ab506f58bdca7721bb07ac599f0b8f40cd6793d77c6f33dd7feac
Copyright registration time
2026-06-25T23:47:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:050faf1b7ac065d7107773387c38be5f0cc6f5249ac20dca6791bd689e93d9d7

What this proof establishes

This recording was released in 2015, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.