Three Lamentations for Maundy Thursday

Recording by Orlande de Lassus.

Recording identifiers

ISRC
USX761112302
CopyrightID (CopyrightChains transaction hash)
0x534bc8a1c0c150082d480acb0bae25613a973def08dbfa8d67c7150615a0604d
Copyright registration time
2026-07-07T15:48:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:b547da95bbddc05049b1d07da98fed2c83b88dbd3e9919657f2f86c4050e0276

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.