Missa Octo Vocum: Credo

Recording by Hans Leo Hassler.

Recording identifiers

ISRC
DEN422105006
CopyrightID (CopyrightChains transaction hash)
0xf3b55c32fd4af36282890085e8b877086c4ce47ce55c228a901c7e28689317aa
Copyright registration time
2026-07-07T18:21:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:c4cb5f6f624779d1c3cb5d784da73c7486e8df3621b45bb8eaf9a925908a9c64

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.