Fantasia (No. 46)

Recording by William Byrd.

Recording identifiers

ISRC
QM4TW2099793
CopyrightID (CopyrightChains transaction hash)
0x5b45d7b158fab065f9fcd3c6dd8f46455a4e099a3b23e11740081b344ea18c88
Copyright registration time
2026-07-07T13:00:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:833254267e1012688bd0af24e2311fcd7ab0a0ff6fc48f1fa82a1d5e4a42e3a1

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.