ISRC CZA168002796
Verified recording
CZA168002796 is “Viola Concerto in C Major: II. Adagio” by Johann Baptist Vanhal,
registered on the CopyrightChains blockchain with CopyrightID
0x078edc0f46c06ec0e1a948c7637ece8521ed4340ad39c2b3a48e5ed62ef0f1af and independently timestamped
in Bitcoin block 960220 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA168002796.
Recording identifiers
- ISRC
- CZA168002796
- Title
- Viola Concerto in C Major: II. Adagio
- Artist
- Johann Baptist Vanhal
- CopyrightID (CopyrightChains transaction hash)
0x078edc0f46c06ec0e1a948c7637ece8521ed4340ad39c2b3a48e5ed62ef0f1af
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T07:28:30+00:00
- Bitcoin block
- 960220
- Canonical record hash
sha256:f922286112c072d9374307f5083e7f3d7c35313f2625b966df82aaa2da5e7de9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA168002796
- Bitcoin block existence check
- https://blockstream.info/api/block/960220
Full record
Track page: Viola Concerto in C Major: II. Adagio · Machine-readable JSON-LD