ISRC DEF066810700
Verified recording
DEF066810700 is “Gräfin Mariza - Operetta in 3 Acts: Ich möchte träumen” by Emmerich Kálmán,
registered on the CopyrightChains blockchain with CopyrightID
0xf17d614ca1f1f739abfcc8bbcbb729f0baa3f0b3553fa57e7830e065af15c726 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF066810700.
Recording identifiers
- ISRC
- DEF066810700
- Title
- Gräfin Mariza - Operetta in 3 Acts: Ich möchte träumen
- Artist
- Emmerich Kálmán
- CopyrightID (CopyrightChains transaction hash)
0xf17d614ca1f1f739abfcc8bbcbb729f0baa3f0b3553fa57e7830e065af15c726
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:b4aa3a3975bde3af2f1cfd35716ca6e4879e443c05f22b1cdaf86fcaafefc76a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF066810700
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Gräfin Mariza - Operetta in 3 Acts: Ich möchte träumen · Machine-readable JSON-LD