Requiem, Op.9 (version with organ) (2007 - Remaster): Lux aeterna

Recording by Maurice Duruflé.

Recording identifiers

ISRC
GBAYC0700113
Release date of the album this recording appears on
1968
CopyrightID (CopyrightChains transaction hash)
0x798bc697c55588930501984af3452b8bc83d37a7f59ae8de6d51eb8e881ea945
Copyright registration time
2026-07-31T09:19:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T09:25:34Z
Bitcoin block
960379
Canonical record hash
sha256:51bd7a6b5626d19aa72f6e62f9d3abd1089953445434cf43ca26ea0b535ca14f

What this proof establishes

This recording was released in 1968, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.