ISRC FRZ201901128
Verified recording
FRZ201901128 is “Dvořák: Serenade for Strings in E Major, Op. 22, B. 52: II. Tempo di valse” by Antonín Dvořák,
registered on the CopyrightChains blockchain with CopyrightID
0x035c20a5f03874aecad655e6419202baee12528521a505c85fd430a11d2c95c0 and independently timestamped
in Bitcoin block 960284 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ201901128.
Recording identifiers
- ISRC
- FRZ201901128
- Title
- Dvořák: Serenade for Strings in E Major, Op. 22, B. 52: II. Tempo di valse
- Artist
- Antonín Dvořák
- CopyrightID (CopyrightChains transaction hash)
0x035c20a5f03874aecad655e6419202baee12528521a505c85fd430a11d2c95c0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T17:23:26+00:00
- Bitcoin block
- 960284
- Canonical record hash
sha256:39e8c4a537ff4b01057403e3b9c44f2f45ac6cfc0319b49747e1539c84d8a4d3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ201901128
- Bitcoin block existence check
- https://blockstream.info/api/block/960284
Full record
Track page: Dvořák: Serenade for Strings in E Major, Op. 22, B. 52: II. Tempo di valse · Machine-readable JSON-LD