Requiem: Sanctus

Recording by Maurice Duruflé.

Recording identifiers

ISRC
DEF059830112
CopyrightID (CopyrightChains transaction hash)
0xed11d95e3b7aeb06c73a87c42ca221eb0dc36f5576c2b86058d5be80129e9467
Copyright registration time
2026-07-07T07:57:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:15a29fdf6ac32b2c8fef11369fb77b098c26a8363d425eab744336ab655c8555

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.