Memento homo

Recording by William Byrd.

Recording identifiers

ISRC
DEE471600216
CopyrightID (CopyrightChains transaction hash)
0xc0cf2a0b3ca50091786e419650bb2eed8e628c7b2e0f18a63b5f634400fa7536
Copyright registration time
2026-07-07T18:18:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:dd66e61871a0ce397ae58c0edbaa614e7d6385e7e0ce270faa0a7e34f281cecc

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.