Jure Brkljača (born 21 September 1994) is a Croatian singer. He is known for placing fourth in season one of The Voice Hrvatska. Early life Brkljača was born in Zadar, Croatia on 21 September 1994.
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2956f714c1ace9a1614cce7b3c1c89637cd325bcc0db11b21777f4f74ea234ad. Chain 2 (Bitcoin): anchored in block 953777 (2026-06-15T11:52:51Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d0405ee1-58f3-4777-bdde-41b15a794988.json and https://artists.proofprofile.net/proofs/artist/d0405ee1-58f3-4777-bdde-41b15a794988.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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b3a1fdf5dcdf9253c602cdde94a80b564c71d77c5e455b9d0f177a99da33889. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/HRA232000035.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7f34694cbff8b3db0a127a55588dae0f7c5867c7e943910a54ca1d352f7963d. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/HRA231900006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f51007dc26a96bd23e64969d47ed97ffd0e4b844d5aa29de3c6fecf847d25aa. Chain 2 (Bitcoin): anchored in block 958567 (2026-07-18T15:22:40Z), 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/HRA231800039.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcec361f9ab5a59ed3d36711c14f501d46a625df1d212a46211fd6cecfb07a882. Chain 2 (Bitcoin): anchored in block 958959 (2026-07-21T03:51:22Z), 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/HRA232100011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fd0729040949a8aaf6602ebf4c4f4ae6429839dfd3730f9be4fd94d41a00513. Chain 2 (Bitcoin): anchored in block 958383 (2026-07-17T08:20:01Z), 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/HRA232300004.
Ne postojim kad nisi tu (Hit Session Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x919d2d75fac81f6d03b349d71a0f8e878e260a6bce065a7789616cc7dc656526. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/HRA232300023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93d46fca7760e2dbdf723c93c46e05d5f28af6cdfbf5005cb6eef840606eceea. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/HRA232400021.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2271a015c7bf10ca194bda2327ce0b5ef5abb0110e8fba68de9e044cb085ae5c. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/HRA232500004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2921983d9d9b83ea4989373b70f0b2d9124db48d8b522c363a01b38b632d114. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/HRA232500060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5d877cff5288427bf691a4689ee6bb0e5d10c14ce9969c2068371afeb31898b. Chain 2 (Bitcoin): anchored in block 957064 (2026-07-07T16:43:08Z), 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/HRA232000009.