Offertory: Assumpta est Maria

Recording by William Byrd.

Recording identifiers

ISRC
GBBBC2201424
CopyrightID (CopyrightChains transaction hash)
0x0668661671c163272e09649c5e9ad6f72f9bb3c6b8b321c104b81cc0c7ed46ec
Copyright registration time
2026-07-06T21:07:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:64f0f83ab23cf60e7accf54e83f16a96304c0a16a0d2ab0b4886209736d8c9e9

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.