Summa (version for string orchestra): 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
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:8ff706776bdb3caa0bb1e1ef47dc1c322dca7bd08b19f824d2c3cc15fd5fe31f

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.