ISRC CZA161002556
Verified recording
CZA161002556 is “String Quartet No. 12 in F Major, Op. 96, B. 179 "American": II. Lento” by Antonín Dvořák,
registered on the CopyrightChains blockchain with CopyrightID
0x20e11d32e0390320290cc25c34f7289784b9a36ea943520f0545e788c1651f25 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/CZA161002556.
Recording identifiers
- ISRC
- CZA161002556
- Title
- String Quartet No. 12 in F Major, Op. 96, B. 179 "American": II. Lento
- Artist
- Antonín Dvořák
- CopyrightID (CopyrightChains transaction hash)
0x20e11d32e0390320290cc25c34f7289784b9a36ea943520f0545e788c1651f25
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:8bd012effa2441005fe1b4f7b9b5c5cbba400d7c534d0526ee870bfd1316636f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161002556
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: String Quartet No. 12 in F Major, Op. 96, B. 179 "American": II. Lento · Machine-readable JSON-LD