ISRC DEF066617250
Verified recording
DEF066617250 is “Die Zirkusprinzessin - operetta in 3 Acts: Liese” by Emmerich Kálmán,
registered on the CopyrightChains blockchain with CopyrightID
0xd2b862bac887b23ee4d242c5af7b56f8dfa808dd1af2b64585158850f2465f1f and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF066617250.
Recording identifiers
- ISRC
- DEF066617250
- Title
- Die Zirkusprinzessin - operetta in 3 Acts: Liese
- Artist
- Emmerich Kálmán
- CopyrightID (CopyrightChains transaction hash)
0xd2b862bac887b23ee4d242c5af7b56f8dfa808dd1af2b64585158850f2465f1f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:8e4ba750e26d461fd3e0eb368f42634cbc6d0b8714eef59e999cdb16247c9082- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF066617250
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: Die Zirkusprinzessin - operetta in 3 Acts: Liese · Machine-readable JSON-LD