Sonata No. 1 for Two Violins

Recording by Allan Pettersson.

Recording identifiers

ISRC
SEAGA9015010
CopyrightID (CopyrightChains transaction hash)
0xeddc6b038663af677f8bc50691da6fc3d0e05640df82c20a22f91104b4ac1218
Copyright registration time
2026-01-28T20:02:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:6937050331b8b0d9f9aa14e7ed37ab2af0c47dd368d37da7762b3fa71b971370

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.