Sonata No. 3, Op. 28

Recording by Sergei Prokofiev.

Recording identifiers

ISRC
GBLWD9806506
CopyrightID (CopyrightChains transaction hash)
0xc105d78164566f7a15a128928f22eb21a9a1b728921ac5811f27ff323f0c610b
Copyright registration time
2026-07-29T18:04:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T19:35:34Z
Bitcoin block
960138
Canonical record hash
sha256:037bb7aa45f290a54188a28afc900e8b6f801378f01639e1d70c603f3043b5ff

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.