Victoria: Requiem (Missa pro defunctis) - 09. Offertorium

Recording by Tomás Luis de Victoria.

Recording identifiers

ISRC
GBADM8751214
CopyrightID (CopyrightChains transaction hash)
0x624aa428adf0d60b4afc0bcbdc4b4db440dc543a1f7cf7209909fdfcd6ab0190
Copyright registration time
2026-07-29T17:38:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T23:23:05Z
Bitcoin block
960164
Canonical record hash
sha256:8b9f915c08cec910c00968cc9bfa1a5c746ef32ca85ef10b93cd3007786b1078

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.