ISRC CZA161500573
Verified recording
CZA161500573 is “String Quartet No. 2 in D Minor, JB 1:124: IV. Finale. Presto” by Bedřich Smetana,
registered on the CopyrightChains blockchain with CopyrightID
0x59d19f12df2123f47d756c712fc447a76e7a9ff913150f2077ae169c04a826a6 and independently timestamped
in Bitcoin block 960207 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161500573.
Recording identifiers
- ISRC
- CZA161500573
- Title
- String Quartet No. 2 in D Minor, JB 1:124: IV. Finale. Presto
- Artist
- Bedřich Smetana
- CopyrightID (CopyrightChains transaction hash)
0x59d19f12df2123f47d756c712fc447a76e7a9ff913150f2077ae169c04a826a6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T04:47:22+00:00
- Bitcoin block
- 960207
- Canonical record hash
sha256:c931ac2e97dfd870c5eb22a4901d12d8e93bde1a6af77ed42bf4afb35cad2033- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161500573
- Bitcoin block existence check
- https://blockstream.info/api/block/960207
Full record
Track page: String Quartet No. 2 in D Minor, JB 1:124: IV. Finale. Presto · Machine-readable JSON-LD