ISRC DEA340702150
Verified recording
DEA340702150 is “Gräfin Mariza · Operette in 3 Akten (1988 Digital Remaster), Erster Akt: Ich bitte, nicht lachen - Komm mit nach Varasdin! (Mariza - Zsupán)” by Emmerich Kálmán,
registered on the CopyrightChains blockchain with CopyrightID
0x83abf9061d62c41d52a8de4efdaf97e66c80a2c8b94dd674eaa82d5a0db1724d and independently timestamped
in Bitcoin block 960273 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA340702150.
Recording identifiers
- ISRC
- DEA340702150
- Title
- Gräfin Mariza · Operette in 3 Akten (1988 Digital Remaster), Erster Akt: Ich bitte, nicht lachen - Komm mit nach Varasdin! (Mariza - Zsupán)
- Artist
- Emmerich Kálmán
- CopyrightID (CopyrightChains transaction hash)
0x83abf9061d62c41d52a8de4efdaf97e66c80a2c8b94dd674eaa82d5a0db1724d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T15:42:38+00:00
- Bitcoin block
- 960273
- Canonical record hash
sha256:b92be23b7eb4446729f236f0f5033a8a5a8feceec1bf6912ae491780ec24418a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA340702150
- Bitcoin block existence check
- https://blockstream.info/api/block/960273
Full record
Track page: Gräfin Mariza · Operette in 3 Akten (1988 Digital Remaster), Erster Akt: Ich bitte, nicht lachen - Komm mit nach Varasdin! (Mariza - Zsupán) · Machine-readable JSON-LD