Gabriela Gunčíková (; born 27 June 1993), also known as Gabriela Gun, is a Czech singer. Her singing voice has been described as a cross between Sheryl Crow and Ann Wilson from the band, Heart. She
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb98103c4cc4366e59be68ced5395fca18156d353a6bb803acd7d8774b26b2eec. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3ed47b9e-9710-48bf-be6e-b2a716605e32.json and https://artists.proofprofile.net/proofs/artist/3ed47b9e-9710-48bf-be6e-b2a716605e32.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed19a558021c80461eed70a9aadfd0a33091f647b71de88c010acb7957625ab9. Chain 2 (Bitcoin): anchored in block 956578 (2026-07-04T02:23:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZUM71100495.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x166bb457ce9bb11fdf345f3f2986b58042980f3c4caca49091aff9f0b5620f47. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZUM71100498.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58eca57748b7afcc71f3a16f94b9177b712282f2ec966da82860d34add37d244. Chain 2 (Bitcoin): anchored in block 958091 (2026-07-15T03:17:03Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZUM71100502.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8473856b1faf320a0f0e2d277ed9fc94495dd80a220156d57331ab8b1b0426b. Chain 2 (Bitcoin): anchored in block 956745 (2026-07-05T05:33:35Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZUM71100500.
Santa Superstar (singl z muzikálu Vánoční zázrak aneb Sliby se maj plnit o Vánocích)
Santa Superstar (Singl Z Muzikálu Vánoční Zázrak Aneb Sliby Se Maj)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9968ec27b6c8371d40a35a4966b8a28839077ba13bc516d319d6a0d609375d48. Chain 2 (Bitcoin): anchored in block 958670 (2026-07-19T05:26:23Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA541222301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4676f51167376d35437457a8e4f3b8bb944c97b14fb86a1fbfb3d3a87a86efa0. Chain 2 (Bitcoin): anchored in block 958246 (2026-07-16T05:55:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZI531300014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43372c4f0a3fec7dd19a863e6108638cf50c75046d6f49119ade43b313850838. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZI531300018.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20197c2e680f41ea5e66e764726983751450887c4aa574825b08841a64e4c647. Chain 2 (Bitcoin): anchored in block 958447 (2026-07-17T19:47:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZI531300019.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x706ae28a55f735cd506d1c9b2c2dd920e576eb0ab8486cb2d1a35b15d434c20a. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T17:49:48Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZI531300021.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3aa7ec5c449ddf56fb3f0bc55b9d635ed3d25aada9a491cb7b1823c303a81623. Chain 2 (Bitcoin): anchored in block 958716 (2026-07-19T10:15:55Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEVWC1600202.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93aaeeaba8540c72a3756ef98ba0cdb67891cb545f2d21a544c1aaa5879df31d. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161204392.