ISRC USSM11905519
Verified recording
USSM11905519 is “Zwei Märchenaugen (From "Die Zirkusprinzessin")” by Emmerich Kálmán,
registered on the CopyrightChains blockchain with CopyrightID
0xfda3d92a15ead85373910cda48e2ffc58353f35a6657ee87aff8b6f8d7f07b59 and independently timestamped
in Bitcoin block 960144 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11905519.
Recording identifiers
- ISRC
- USSM11905519
- Title
- Zwei Märchenaugen (From "Die Zirkusprinzessin")
- Artist
- Emmerich Kálmán
- CopyrightID (CopyrightChains transaction hash)
0xfda3d92a15ead85373910cda48e2ffc58353f35a6657ee87aff8b6f8d7f07b59
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:09:47+00:00
- Bitcoin block
- 960144
- Canonical record hash
sha256:dd1bf058479963b32bd3848696a2a3ffe74eee81ed1557dc3825bc7920fc0402- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11905519
- Bitcoin block existence check
- https://blockstream.info/api/block/960144
Full record
Track page: Zwei Märchenaugen (From "Die Zirkusprinzessin") · Machine-readable JSON-LD