Summa

Recording by Arvo Pärt.

Recording identifiers

ISRC
GBLWD9302004
CopyrightID (CopyrightChains transaction hash)
0xd33a8d3a5d55b657e49793022b569dcc949ea52e739fef35e19544536b1768b1
Copyright registration time
2026-07-30T22:06:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T22:27:30Z
Bitcoin block
960321
Canonical record hash
sha256:69ee073d53ca7f1f25546e53c5833fdcacd59403ad56a3256645832d203736a8

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.