Requiem (Missa pro defunctis) a 2-4: Graduale: Si ambulem

Recording by Johannes Ockeghem.

Recording identifiers

ISRC
GBAYC8400417
CopyrightID (CopyrightChains transaction hash)
0x46256471fe1aeb0c6a5c2d7335b95528804c471c316d72d61110ce0351b43427
Copyright registration time
2026-06-24T15:57:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:f2d8b652bb4fb2d6b440e14738ffb4e6df478174b50f34d11dac4182f0eec653

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.