Missa Prolationum: Credo

Recording by Johannes Ockeghem.

Recording identifiers

ISRC
DEAC61902005
CopyrightID (CopyrightChains transaction hash)
0x9ff50f7fe622d0c73efe3740862ffc7abd6c2aa46d5db53db5f64e71be9d7a64
Copyright registration time
2026-07-07T02:59:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:93d446336b42fff00b031570b1e204ea6cce832aa7750b02f9123a4e3b3fdbb7

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.