ISRC DEF066617200
Verified recording
DEF066617200 is “Die Zirkusprinzessin - Operetta In 3 Acts: Mein Darling” by Emmerich Kálmán,
registered on the CopyrightChains blockchain with CopyrightID
0x5e59c3d22d5d88222d1c9f8cc01dcf1458f73c89dbae841a249f14d64f1b7de4 and independently timestamped
in Bitcoin block 960448 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF066617200.
Recording identifiers
- ISRC
- DEF066617200
- Title
- Die Zirkusprinzessin - Operetta In 3 Acts: Mein Darling
- Artist
- Emmerich Kálmán
- CopyrightID (CopyrightChains transaction hash)
0x5e59c3d22d5d88222d1c9f8cc01dcf1458f73c89dbae841a249f14d64f1b7de4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T18:48:12+00:00
- Bitcoin block
- 960448
- Canonical record hash
sha256:6fff05b033b02d0ad3b9e502b9ee1e9a3d340f0cd58c1116d5476491d6ce4cb4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF066617200
- Bitcoin block existence check
- https://blockstream.info/api/block/960448
Full record
Track page: Die Zirkusprinzessin - Operetta In 3 Acts: Mein Darling · Machine-readable JSON-LD