Mass for four voices, II Gloria

Recording by William Byrd.

Recording identifiers

ISRC
FR0O70720130
CopyrightID (CopyrightChains transaction hash)
0x92d6f71b6dfc1cd17fcf566c9b2240412c80ad2640881a88d93fb8184a0b8665
Copyright registration time
2026-07-07T16:22:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:fbbd1972aa4f7eec0555aae16c5574ea6967ef2420e5c326938d871267198230

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.