ISRC USSM11306229
Verified recording
USSM11306229 is “Sport-Polka, Polka schnell, Op. 170” by Josef Strauss,
registered on the CopyrightChains blockchain with CopyrightID
0x2a4d2890f5e6ba1ceb6c672406100caf8734a80c93f6ba2839772a615a626544 and independently timestamped
in Bitcoin block 960105 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11306229.
Recording identifiers
- ISRC
- USSM11306229
- Title
- Sport-Polka, Polka schnell, Op. 170
- Artist
- Josef Strauss
- CopyrightID (CopyrightChains transaction hash)
0x2a4d2890f5e6ba1ceb6c672406100caf8734a80c93f6ba2839772a615a626544
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T12:35:17+00:00
- Bitcoin block
- 960105
- Canonical record hash
sha256:5b51cd28a4f5e4076209513ae1ce36acd09097b46f8512265dabbae64f75575a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11306229
- Bitcoin block existence check
- https://blockstream.info/api/block/960105
Full record
Track page: Sport-Polka, Polka schnell, Op. 170 · Machine-readable JSON-LD