ISRC GBF079840901
Verified recording
GBF079840901 is “Die Herzogin von Chicago / Vorspiel: 1a: Charleston, Charleston tanzt man heut!” by Emmerich Kálmán,
registered on the CopyrightChains blockchain with CopyrightID
0xa93c069890b201cdd33952c9af96acd9618668ce4940046bf747ed6911884a0b 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/GBF079840901.
Recording identifiers
- ISRC
- GBF079840901
- Title
- Die Herzogin von Chicago / Vorspiel: 1a: Charleston, Charleston tanzt man heut!
- Artist
- Emmerich Kálmán
- CopyrightID (CopyrightChains transaction hash)
0xa93c069890b201cdd33952c9af96acd9618668ce4940046bf747ed6911884a0b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:35ffb80834e9ad5feae5389578ed2e9dca9c724854c4810d357194094b2a848d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079840901
- Bitcoin block existence check
- https://blockstream.info/api/block/960334
Full record
Track page: Die Herzogin von Chicago / Vorspiel: 1a: Charleston, Charleston tanzt man heut! · Machine-readable JSON-LD