ISRC DEF066519760
Verified recording
DEF066519760 is “Gräfin Mariza - Operetta in 3 Acts: Behüt' dich Gott” by Emmerich Kálmán,
registered on the CopyrightChains blockchain with CopyrightID
0xa605b9b46289c27e103b2371bd93ac1b4e4cd3a9c57572ae37357bb54f8891dc and independently timestamped
in Bitcoin block 960487 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF066519760.
Recording identifiers
- ISRC
- DEF066519760
- Title
- Gräfin Mariza - Operetta in 3 Acts: Behüt' dich Gott
- Artist
- Emmerich Kálmán
- CopyrightID (CopyrightChains transaction hash)
0xa605b9b46289c27e103b2371bd93ac1b4e4cd3a9c57572ae37357bb54f8891dc
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T00:15:43+00:00
- Bitcoin block
- 960487
- Canonical record hash
sha256:f974838643314f6607ab8a63eee493b0c6d30be3dc3374210aac16f85f3aaa9f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF066519760
- Bitcoin block existence check
- https://blockstream.info/api/block/960487
Full record
Track page: Gräfin Mariza - Operetta in 3 Acts: Behüt' dich Gott · Machine-readable JSON-LD