ISRC CZA160900061
Verified recording
CZA160900061 is “4 Sketches, Op. 4, JB 1:66: No. 1 in F-Sharp Minor, Prelude. Allegro” by Bedřich Smetana,
registered on the CopyrightChains blockchain with CopyrightID
0xe22abac4e9c592d24cd051fce53eff036c172ece331882b5b65d826c99620eae and independently timestamped
in Bitcoin block 956312 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA160900061.
Recording identifiers
- ISRC
- CZA160900061
- Title
- 4 Sketches, Op. 4, JB 1:66: No. 1 in F-Sharp Minor, Prelude. Allegro
- Artist
- Bedřich Smetana
- CopyrightID (CopyrightChains transaction hash)
0xe22abac4e9c592d24cd051fce53eff036c172ece331882b5b65d826c99620eae
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T05:09:12+00:00
- Bitcoin block
- 956312
- Canonical record hash
sha256:490209ccca46a3e36df371095ceb600af16ca5ec301aaf9832d3cf12b3544dc5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA160900061
- Bitcoin block existence check
- https://blockstream.info/api/block/956312
Full record
Track page: 4 Sketches, Op. 4, JB 1:66: No. 1 in F-Sharp Minor, Prelude. Allegro · Machine-readable JSON-LD