ISRC DERK62464002
Verified recording
DERK62464002 is “String Quartet No. 1 in B Minor, Op. 50: II. Andante molto - Vivace” by Sergei Prokofiev,
registered on the CopyrightChains blockchain with CopyrightID
0xfd6f2372e00ec6696948238078283ec6da6e8793daa819d95b7289c2e7fb8c46 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/DERK62464002.
Recording identifiers
- ISRC
- DERK62464002
- Title
- String Quartet No. 1 in B Minor, Op. 50: II. Andante molto - Vivace
- Artist
- Sergei Prokofiev
- CopyrightID (CopyrightChains transaction hash)
0xfd6f2372e00ec6696948238078283ec6da6e8793daa819d95b7289c2e7fb8c46
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:06694a426594cefbd4f3d27f96b0611b19fc8adc19a4ac8a1a9f952265126f39- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DERK62464002
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: String Quartet No. 1 in B Minor, Op. 50: II. Andante molto - Vivace · Machine-readable JSON-LD