ISRC DEN962201321
Verified recording
DEN962201321 is “Violin Concerto No. 1, Op. 35: I. Vivace Assai” by Karol Szymanowski,
registered on the CopyrightChains blockchain with CopyrightID
0x559eed48f100a7fc17080c7d428d94ba6faa81484ac54b56910150c4c3e63088 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962201321.
Recording identifiers
- ISRC
- DEN962201321
- Title
- Violin Concerto No. 1, Op. 35: I. Vivace Assai
- Artist
- Karol Szymanowski
- CopyrightID (CopyrightChains transaction hash)
0x559eed48f100a7fc17080c7d428d94ba6faa81484ac54b56910150c4c3e63088
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:1d85ea4c6af4b0681b1fb43cdb3a0e157d585a021f0ead5d029624471ddaee02- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962201321
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Violin Concerto No. 1, Op. 35: I. Vivace Assai · Machine-readable JSON-LD