ISRC DEN962201322
Verified recording
DEN962201322 is “Violin Concerto No. 1, Op. 35: II. Vivace Scherzando” by Karol Szymanowski,
registered on the CopyrightChains blockchain with CopyrightID
0x09924fe57355eb6b02cb131fc116bd4b002e66b3479d10aed73fa269d7b5afa6 and independently timestamped
in Bitcoin block 960360 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962201322.
Recording identifiers
- ISRC
- DEN962201322
- Title
- Violin Concerto No. 1, Op. 35: II. Vivace Scherzando
- Artist
- Karol Szymanowski
- CopyrightID (CopyrightChains transaction hash)
0x09924fe57355eb6b02cb131fc116bd4b002e66b3479d10aed73fa269d7b5afa6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T06:42:11+00:00
- Bitcoin block
- 960360
- Canonical record hash
sha256:f32e7eddb184cc99ab7b5733e85220e84a3790876bd89bd2ac5e1191ade4ced8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962201322
- Bitcoin block existence check
- https://blockstream.info/api/block/960360
Full record
Track page: Violin Concerto No. 1, Op. 35: II. Vivace Scherzando · Machine-readable JSON-LD