ISRC ATMA40501470
Verified recording
ATMA40501470 is “Die Gräfin Mariza, Act I: Ich bitte, nicht lachen (Mariza, Zsupán)” by Emmerich Kálmán,
registered on the CopyrightChains blockchain with CopyrightID
0x28e861b13eaa1beb7e711d1c82e231bd65b329af6e2349d25ec5367809276f33 and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ATMA40501470.
Recording identifiers
- ISRC
- ATMA40501470
- Title
- Die Gräfin Mariza, Act I: Ich bitte, nicht lachen (Mariza, Zsupán)
- Artist
- Emmerich Kálmán
- CopyrightID (CopyrightChains transaction hash)
0x28e861b13eaa1beb7e711d1c82e231bd65b329af6e2349d25ec5367809276f33
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:c68414c35af4f4d0bf0e7de13eec322068a7310ae0b712debb0351436980f0ac- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ATMA40501470
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: Die Gräfin Mariza, Act I: Ich bitte, nicht lachen (Mariza, Zsupán) · Machine-readable JSON-LD