Motet Quam pulchra es

Recording by John Dunstable.

Recording identifiers

ISRC
CAJ720850315
CopyrightID (CopyrightChains transaction hash)
0x479f22ab51d92a3a7a7f832987d4dffad99d9969e1d1c94ee83e1a0bce561f4c
Copyright registration time
2026-07-31T01:30:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T02:19:15Z
Bitcoin block
960334
Canonical record hash
sha256:6ab05cd8d5d1a3aa35101b13c9149f6c8e3e3d2512b1a07f6875734693ef6058

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.