Mass for Four Voices: III. Credo

Recording by William Byrd.

Recording identifiers

ISRC
GBC7N1041103
CopyrightID (CopyrightChains transaction hash)
0x7c859e3c62f836cfd297a2a6cda148cf5ceb17aef83a2e78a67f3f43ca95dbd7
Copyright registration time
2026-07-31T09:02:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T09:25:34Z
Bitcoin block
960379
Canonical record hash
sha256:4e4c1c40432756f98cae5b3c2159948e4caff524f1b5ff00e696fdeb8030a098

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.