Festina lente for Strings and Harp ad Libitum

Recording by Arvo Pärt.

Recording identifiers

ISRC
NLY332104035
CopyrightID (CopyrightChains transaction hash)
0x036214203accaa5445371b05bbcad118e82e27b0856ef6e1c5437448109716f4
Copyright registration time
2026-07-07T13:20:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:5d9f6f46cd3380ce41e2292dca5c6c752ed86b4810e5f13d7379c7ec6822a649

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.