ISRC DEF058703781
Verified recording
DEF058703781 is “Sonata for Violin and Piano No. 2 in D, Op. 94b: 1. Moderato” by Sergei Prokofiev,
registered on the CopyrightChains blockchain with CopyrightID
0xd7ed777ad24d02b5ce9ba902714593dc019fe2b8c2646561e2fbbd2dbe8ea8a5 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058703781.
Recording identifiers
- ISRC
- DEF058703781
- Title
- Sonata for Violin and Piano No. 2 in D, Op. 94b: 1. Moderato
- Artist
- Sergei Prokofiev
- CopyrightID (CopyrightChains transaction hash)
0xd7ed777ad24d02b5ce9ba902714593dc019fe2b8c2646561e2fbbd2dbe8ea8a5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:ddb2fb410d7200a438aafaf5d4f2644ce0fdc146295b2ff5a5183359e5ca5001- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058703781
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Sonata for Violin and Piano No. 2 in D, Op. 94b: 1. Moderato · Machine-readable JSON-LD