Summa for Strings

Recording by Arvo Pärt.

Recording identifiers

ISRC
HKI199615706
CopyrightID (CopyrightChains transaction hash)
0x9db8910ebf38dda9014afe3a324db8eaaae6464900fe98983a6efd16dfd71908
Copyright registration time
2026-07-06T23:12:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:b702d9bf2a88667f125f5302722fe4ab6fbefa58ac5dc7f72e595a2336a74568

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.