Mass for five voices: V. Agnus Dei

Recording by William Byrd.

Recording identifiers

ISRC
GBNTD1510207
CopyrightID (CopyrightChains transaction hash)
0x56f168fd1e88c20ebc97370302a051d31ad7fb2592fff12ef94482858d10f5db
Copyright registration time
2026-06-18T17:44:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:05a62f660009e3d9d43fedd500cd54c46eff2276f75d5fedfbfdad94a3d5785a

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.