ISRC CZD942400860
Verified recording
CZD942400860 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
0x94503702669129d1da16495600bd5d4fba7a6373602d344ed06f9fa84d7abc5c and independently timestamped
in Bitcoin block 960108 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZD942400860.
Recording identifiers
- ISRC
- CZD942400860
- Title
- String Quartet No. 1 in E Minor, JB 1:105: I. Allegro vivo appassionato
- Artist
- Bedřich Smetana
- CopyrightID (CopyrightChains transaction hash)
0x94503702669129d1da16495600bd5d4fba7a6373602d344ed06f9fa84d7abc5c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T13:09:35+00:00
- Bitcoin block
- 960108
- Canonical record hash
sha256:ac38c4afda9da279acacb5994037afdaa0f46af2d813f176c973a436119a531a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZD942400860
- Bitcoin block existence check
- https://blockstream.info/api/block/960108
Full record
Track page: String Quartet No. 1 in E Minor, JB 1:105: I. Allegro vivo appassionato · Machine-readable JSON-LD