ISRC DEF065900490
Verified recording
DEF065900490 is “The Gypsy Princess (Die Csárdásfürstin): "Machen wir's den Schwalben nach"” by Emmerich Kálmán,
registered on the CopyrightChains blockchain with CopyrightID
0x9b2a1dbfd25e7abea7144672ac1f56eda707dba8256f186f321714e32ac166a2 and independently timestamped
in Bitcoin block 960334 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF065900490.
Recording identifiers
- ISRC
- DEF065900490
- Title
- The Gypsy Princess (Die Csárdásfürstin): "Machen wir's den Schwalben nach"
- Artist
- Emmerich Kálmán
- CopyrightID (CopyrightChains transaction hash)
0x9b2a1dbfd25e7abea7144672ac1f56eda707dba8256f186f321714e32ac166a2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:ccf32805a0fc39f65fc4d5e55ffc5752d7d9b461b54444529b627f5549cb866f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF065900490
- Bitcoin block existence check
- https://blockstream.info/api/block/960334
Full record
Track page: The Gypsy Princess (Die Csárdásfürstin): "Machen wir's den Schwalben nach" · Machine-readable JSON-LD