Missa brevis: I. Kyrie eleison

Recording by Ton de Leeuw.

Recording identifiers

ISRC
USTE10401384
CopyrightID (CopyrightChains transaction hash)
0xc24eebdd6889b0d853229b9019c0a5725a282331eb53c7bab9d0d98fe067ad19
Copyright registration time
2026-07-31T20:59:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T21:25:57Z
Bitcoin block
960468
Canonical record hash
sha256:c44e87ac3253f2aa8fa7f4343296ea6c860a9f8cb4998b15ed11fc1b124c0c15

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.