ISRC CZD942400850
Verified recording
CZD942400850 is “Festive Symphony in E Major, Op. 6, JB 1:59: II. Largo maestoso” by Bedřich Smetana,
registered on the CopyrightChains blockchain with CopyrightID
0x984e6d71a8b267d1e22a1574d14b119c3671e2173df511cbb21d1dd9bf4ac92e and independently timestamped
in Bitcoin block 960273 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZD942400850.
Recording identifiers
- ISRC
- CZD942400850
- Title
- Festive Symphony in E Major, Op. 6, JB 1:59: II. Largo maestoso
- Artist
- Bedřich Smetana
- CopyrightID (CopyrightChains transaction hash)
0x984e6d71a8b267d1e22a1574d14b119c3671e2173df511cbb21d1dd9bf4ac92e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T15:42:38+00:00
- Bitcoin block
- 960273
- Canonical record hash
sha256:544e21248ca42737c394708111cd9a2fe5996ea8d0a8720fc4200fd085c81d88- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZD942400850
- Bitcoin block existence check
- https://blockstream.info/api/block/960273
Full record
Track page: Festive Symphony in E Major, Op. 6, JB 1:59: II. Largo maestoso · Machine-readable JSON-LD