Summa

Recording by Arvo Pärt.

Recording identifiers

ISRC
CAJ720431002
CopyrightID (CopyrightChains transaction hash)
0x52c8e1948ec450ebd97c44ae7e2277dfe8684b62b3d6d7c53e3c612685a157e7
Copyright registration time
2026-07-31T07:11:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T08:26:41Z
Bitcoin block
960368
Canonical record hash
sha256:30b4b6176899e5c78a255bde91b5448f209b11cadfb93bf1fa934ecde86f96d7

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.