ISRC USSM10206811
Verified recording
USSM10206811 is “Feuerfest! Polka française, Op. 269” by Josef Strauss,
registered on the CopyrightChains blockchain with CopyrightID
0x6b4b0a9cd8702d70d2b4b3575831dfdc5252b275fb43e838735683b136fa4623 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10206811.
Recording identifiers
- ISRC
- USSM10206811
- Title
- Feuerfest! Polka française, Op. 269
- Artist
- Josef Strauss
- CopyrightID (CopyrightChains transaction hash)
0x6b4b0a9cd8702d70d2b4b3575831dfdc5252b275fb43e838735683b136fa4623
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:ddff400a5378f37b7e55875a1cd6c4d79e3a03ef0b10c3a60efc13fe42c413e6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10206811
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Feuerfest! Polka française, Op. 269 · Machine-readable JSON-LD