Requiem, Op. 9: II. Kyrie

Recording by Maurice Duruflé.

Recording identifiers

ISRC
GBAJY8619102
CopyrightID (CopyrightChains transaction hash)
0xb684262f2bcbc01efe065876b61917b5910644c4279c905226f7d82946a7e191
Copyright registration time
2026-07-31T04:56:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T05:17:02Z
Bitcoin block
960348
Canonical record hash
sha256:d101828d553370240b58a33b072e6b9ea3a743eb5126a0d128fc4fa557489677

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.