ISRC DEHB51303748

Verified recording

DEHB51303748 is “Gräfin Mariza, Act I: "O schöne Kinderzeit" - "Schwesterlein, Schwesterlein" (Tassilo, Lisa)” by Emmerich Kálmán, registered on the CopyrightChains blockchain with CopyrightID 0x1562291e611a618683d555284a8da46bfab40386da109db93cf0e6ae23f926e0 and independently timestamped in Bitcoin block 957122 on 2026-07-08. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEHB51303748.

Recording identifiers

ISRC
DEHB51303748
Title
Gräfin Mariza, Act I: "O schöne Kinderzeit" - "Schwesterlein, Schwesterlein" (Tassilo, Lisa)
Artist
Emmerich Kálmán
CopyrightID (CopyrightChains transaction hash)
0x1562291e611a618683d555284a8da46bfab40386da109db93cf0e6ae23f926e0

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-08T03:39:04+00:00
Bitcoin block
957122
Canonical record hash
sha256:d26626229deba44e40729a75621f11fae9ea076b4f44802241beac9c6f7e4dbb
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEHB51303748
Bitcoin block existence check
https://blockstream.info/api/block/957122

Full record

Track page: Gräfin Mariza, Act I: "O schöne Kinderzeit" - "Schwesterlein, Schwesterlein" (Tassilo, Lisa) · Machine-readable JSON-LD