Alma Redemptoris mater - Motet for 6 voices

Recording by Orlande de Lassus.

Recording identifiers

ISRC
DEE477400344
CopyrightID (CopyrightChains transaction hash)
0xf80d29873f5cd1508b636904f408b7227bbf688d295a6ca1ba01080a72aa77b1
Copyright registration time
2026-07-07T09:43:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:f1f3fe6ca6a3e321eb0d243d56ec6d72764b8146ee135e7af6d918614ce04502

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.