ISRC DERK62354415
Verified recording
DERK62354415 is “Symphony No. 4 in C Major: IV. Tempo primo un poco sostenuto” by Franz Schmidt,
registered on the CopyrightChains blockchain with CopyrightID
0x5311ef934e20e8d7f1d8ec22a51d972d0929d92aa5ddaf8d35037077bc1724a3 and independently timestamped
in Bitcoin block 960497 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DERK62354415.
Recording identifiers
- ISRC
- DERK62354415
- Title
- Symphony No. 4 in C Major: IV. Tempo primo un poco sostenuto
- Artist
- Franz Schmidt
- CopyrightID (CopyrightChains transaction hash)
0x5311ef934e20e8d7f1d8ec22a51d972d0929d92aa5ddaf8d35037077bc1724a3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T02:22:04+00:00
- Bitcoin block
- 960497
- Canonical record hash
sha256:ea00cf033b4ef2de6b54e2b8f25bee715c20b309314d20aeda20e5be0b74e55d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DERK62354415
- Bitcoin block existence check
- https://blockstream.info/api/block/960497
Full record
Track page: Symphony No. 4 in C Major: IV. Tempo primo un poco sostenuto · Machine-readable JSON-LD