ISRC DEHB51303770
Verified recording
DEHB51303770 is “Gräfin Mariza, Act II: "Hei, Mariza, heute mach' dein Meisterstück" (Mariza, Tassilo, Lisa, Zsupan, Chor)” by Emmerich Kálmán,
registered on the CopyrightChains blockchain with CopyrightID
0x9e146f9678fd50eff8316674f8eb60c735be042358fb1e7bd901e333dd720ef9 and independently timestamped
in Bitcoin block 960468 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEHB51303770.
Recording identifiers
- ISRC
- DEHB51303770
- Title
- Gräfin Mariza, Act II: "Hei, Mariza, heute mach' dein Meisterstück" (Mariza, Tassilo, Lisa, Zsupan, Chor)
- Artist
- Emmerich Kálmán
- CopyrightID (CopyrightChains transaction hash)
0x9e146f9678fd50eff8316674f8eb60c735be042358fb1e7bd901e333dd720ef9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T21:25:57+00:00
- Bitcoin block
- 960468
- Canonical record hash
sha256:d723e87c62614beeac57a5d8bb3877460f242f58fbf668edd1afe7252c035a8e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEHB51303770
- Bitcoin block existence check
- https://blockstream.info/api/block/960468
Full record
Track page: Gräfin Mariza, Act II: "Hei, Mariza, heute mach' dein Meisterstück" (Mariza, Tassilo, Lisa, Zsupan, Chor) · Machine-readable JSON-LD