ISRC DEF066617210
Verified recording
DEF066617210 is “Die Zirkusprinzessin - operetta in 3 Acts: Wenn du mich sitzen läßt” by Emmerich Kálmán,
registered on the CopyrightChains blockchain with CopyrightID
0x490ce6ea814917a5b443b19e29f603f231056d8feb07359ecc0531c168c98401 and independently timestamped
in Bitcoin block 960473 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF066617210.
Recording identifiers
- ISRC
- DEF066617210
- Title
- Die Zirkusprinzessin - operetta in 3 Acts: Wenn du mich sitzen läßt
- Artist
- Emmerich Kálmán
- CopyrightID (CopyrightChains transaction hash)
0x490ce6ea814917a5b443b19e29f603f231056d8feb07359ecc0531c168c98401
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T22:27:44+00:00
- Bitcoin block
- 960473
- Canonical record hash
sha256:3686ec423b69872e7fcf31337dc016af36305261bc6614dfd46a7737752cfe0c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF066617210
- Bitcoin block existence check
- https://blockstream.info/api/block/960473
Full record
Track page: Die Zirkusprinzessin - operetta in 3 Acts: Wenn du mich sitzen läßt · Machine-readable JSON-LD