Missa I super Dixit Maria: Kyrie

Recording by Hans Leo Hassler.

Recording identifiers

ISRC
FRZ149126010
CopyrightID (CopyrightChains transaction hash)
0xc9408a2dd13d35c731729a105b151a5235e2930d2ac948695ee07ead37fe215a
Copyright registration time
2026-07-30T18:30:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T18:46:00Z
Bitcoin block
960294
Canonical record hash
sha256:911d4c9141020740d49afa23f3399f792e1bc39bdb5678884eba15adc01e6fb2

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.