Mass for 5 Voices, T. 3: I. Kyrie

Recording by William Byrd.

Recording identifiers

ISRC
GBAJY2341604
CopyrightID (CopyrightChains transaction hash)
0xd431b9e8496437b9f68283d0d62323cb76a048b303a3ff20d084c4f9139e0cf0
Copyright registration time
2026-06-20T08:14:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:e2e0cd2c3d9141b0f8a9e2dc8f7417cacf2d0b43b970db12dcb62a1c83f95113

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.