ISRC DEHB51303757
Verified recording
DEHB51303757 is “Gräfin Mariza, Act I: "Nein, das versprach die Gräfin mir" (Populescu, Zsupan, Mariza, Manja, Chor)” by Emmerich Kálmán,
registered on the CopyrightChains blockchain with CopyrightID
0x5c641ce9cbe5ed646b3c32c338ac621e6beb35f548203ddc699174d344c7f53d 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/DEHB51303757.
Recording identifiers
- ISRC
- DEHB51303757
- Title
- Gräfin Mariza, Act I: "Nein, das versprach die Gräfin mir" (Populescu, Zsupan, Mariza, Manja, Chor)
- Artist
- Emmerich Kálmán
- CopyrightID (CopyrightChains transaction hash)
0x5c641ce9cbe5ed646b3c32c338ac621e6beb35f548203ddc699174d344c7f53d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T18:48:12+00:00
- Bitcoin block
- 960448
- Canonical record hash
sha256:415021406a27b341519201fef32729c498bfd3331e3f24e3e0f1ec9c48928490- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEHB51303757
- Bitcoin block existence check
- https://blockstream.info/api/block/960448
Full record
Track page: Gräfin Mariza, Act I: "Nein, das versprach die Gräfin mir" (Populescu, Zsupan, Mariza, Manja, Chor) · Machine-readable JSON-LD