Haec dies a 6

Recording by William Byrd.

Recording identifiers

ISRC
USHM11565507
CopyrightID (CopyrightChains transaction hash)
0x2dd39f1d5b5d456d2b4d20ecf4de6877fa2627679a5c6a5a1e2dd06f1403d1b8
Copyright registration time
2026-07-06T22:01:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:d77e5e0a7b06f509d46d7a178319895f20fb46b62361f9b3fbcda8439099778f

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.