ISRC DEHB51303750
Verified recording
DEHB51303750 is “Gräfin Mariza, Act I: "Ich bitte, nicht lachen" - "Komm mit nach Varasdin" (Zsupan, Mariza)” by Emmerich Kálmán,
registered on the CopyrightChains blockchain with CopyrightID
0x3c1f45392db22e6cb0caffd2fe493d5748811ba8e3dfcfbfc3124b2d53dca871 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEHB51303750.
Recording identifiers
- ISRC
- DEHB51303750
- Title
- Gräfin Mariza, Act I: "Ich bitte, nicht lachen" - "Komm mit nach Varasdin" (Zsupan, Mariza)
- Artist
- Emmerich Kálmán
- CopyrightID (CopyrightChains transaction hash)
0x3c1f45392db22e6cb0caffd2fe493d5748811ba8e3dfcfbfc3124b2d53dca871
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:8757baf9ab2017d8c5df18097ed49c201f5e8689b280da4557d7162669c9bc3a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEHB51303750
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Gräfin Mariza, Act I: "Ich bitte, nicht lachen" - "Komm mit nach Varasdin" (Zsupan, Mariza) · Machine-readable JSON-LD