ISRC USSM10308408
Verified recording
USSM10308408 is “Jockey Polka, Polka schnell, Op. 278” by Josef Strauss,
registered on the CopyrightChains blockchain with CopyrightID
0x6f190877fb3592d3ffd233f0d28f9b310f34b662e32b0c610de7fa0f4d4e40a2 and independently timestamped
in Bitcoin block 960203 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10308408.
Recording identifiers
- ISRC
- USSM10308408
- Title
- Jockey Polka, Polka schnell, Op. 278
- Artist
- Josef Strauss
- CopyrightID (CopyrightChains transaction hash)
0x6f190877fb3592d3ffd233f0d28f9b310f34b662e32b0c610de7fa0f4d4e40a2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T03:35:13+00:00
- Bitcoin block
- 960203
- Canonical record hash
sha256:5125e78d0aa93326c04944eb6fe30d11ce39a94f9cb5281d82c6306b8c3e3015- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10308408
- Bitcoin block existence check
- https://blockstream.info/api/block/960203
Full record
Track page: Jockey Polka, Polka schnell, Op. 278 · Machine-readable JSON-LD