ISRC GBAYC1302276
Verified recording
GBAYC1302276 is “Kálman: Grafin Mariza, Act 1: "Höre ich Zigeunergeigen" (Countess Mariza)” by Emmerich Kálmán,
registered on the CopyrightChains blockchain with CopyrightID
0x3dab7e053ca6803d895b69b09021e681d1895f1427bf0a6f4a67555ffbc51707 and independently timestamped
in Bitcoin block 960150 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1302276.
Recording identifiers
- ISRC
- GBAYC1302276
- Title
- Kálman: Grafin Mariza, Act 1: "Höre ich Zigeunergeigen" (Countess Mariza)
- Artist
- Emmerich Kálmán
- CopyrightID (CopyrightChains transaction hash)
0x3dab7e053ca6803d895b69b09021e681d1895f1427bf0a6f4a67555ffbc51707
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:51:49+00:00
- Bitcoin block
- 960150
- Canonical record hash
sha256:badec7fbc109b7736e0f30a9f38b1e68cefdf9914c1480274201c5c879797275- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1302276
- Bitcoin block existence check
- https://blockstream.info/api/block/960150
Full record
Track page: Kálman: Grafin Mariza, Act 1: "Höre ich Zigeunergeigen" (Countess Mariza) · Machine-readable JSON-LD