Quomodo cantabimus

Recording by William Byrd.

Recording identifiers

ISRC
GBNTD1510202
CopyrightID (CopyrightChains transaction hash)
0x68cfa0ce0718d3277a924ee0545219843312bf848d03f971cbd3d41b01280f70
Copyright registration time
2026-07-07T12:44:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:d2537421acf06eabd44d0b7e1566763ca6b8220368c1dc84fc0e9469b6bb7c89

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.