Requiem: Versa Est

Recording by Tomás Luis de Victoria.

Recording identifiers

ISRC
GBLLH1123510
CopyrightID (CopyrightChains transaction hash)
0x6870448625ca50a8cda91ce0669e995df912437afa03b5279267e0fc68b71102
Copyright registration time
2026-06-11T06:13:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:8921e0b79122896c80b148ca8fc76d3adddf820b31d93d405e9b1c1144681ebb

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.