Festina lente

Recording by Arvo Pärt.

Recording identifiers

ISRC
FRZ131511070
CopyrightID (CopyrightChains transaction hash)
0x20976044174a8d6d891948731a416a934fdaad03b2a5f25f028b97498b6c783e
Copyright registration time
2026-07-07T17:24:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:e5ef6b8ccbe3c25c852e153954ab1ce56cbc004a9c56eba2bfef100c12ff0d89

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.