ISRC CZA161500564
Verified recording
CZA161500564 is “String Quartet No. 1 in E Minor, JB 1:105: I. Allegro vivo appassionato” by Bedřich Smetana,
registered on the CopyrightChains blockchain with CopyrightID
0x7fa81e4e22db85653875e60ba2efcb603f0d0ef3e07fcfa22591dbb90faba9f5 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161500564.
Recording identifiers
- ISRC
- CZA161500564
- Title
- String Quartet No. 1 in E Minor, JB 1:105: I. Allegro vivo appassionato
- Artist
- Bedřich Smetana
- CopyrightID (CopyrightChains transaction hash)
0x7fa81e4e22db85653875e60ba2efcb603f0d0ef3e07fcfa22591dbb90faba9f5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:db6bf9de1f1bffddb2cdab038edca175b6d02f6e1069b89f4de4714b471c1413- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161500564
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: String Quartet No. 1 in E Minor, JB 1:105: I. Allegro vivo appassionato · Machine-readable JSON-LD