ISRC CZA160900064
Verified recording
CZA160900064 is “4 Sketches, Op. 4, JB 1:66: No. 4 in G-Sharp Minor, Relentless Struggle. Moderato” by Bedřich Smetana,
registered on the CopyrightChains blockchain with CopyrightID
0x5b560bc017a77d0ffe530e6d24e94bac5619f170690a4eaf871901fdcc2e97f3 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/CZA160900064.
Recording identifiers
- ISRC
- CZA160900064
- Title
- 4 Sketches, Op. 4, JB 1:66: No. 4 in G-Sharp Minor, Relentless Struggle. Moderato
- Artist
- Bedřich Smetana
- CopyrightID (CopyrightChains transaction hash)
0x5b560bc017a77d0ffe530e6d24e94bac5619f170690a4eaf871901fdcc2e97f3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:92b44b902c015da70eb2e3d09c577657f219c8428725785e50754550792cf202- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA160900064
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: 4 Sketches, Op. 4, JB 1:66: No. 4 in G-Sharp Minor, Relentless Struggle. Moderato · Machine-readable JSON-LD