Lucas Lima Linhares (born 28 September 1996), known as Luquinhas, is a Brazilian professional footballer who plays as an attacking midfielder or winger for Ekstraklasa club Radomiak Radom. Career Be
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 0xd753b6406a6ec44cc7e2d7e58b422486188c18e0af6995880ed49acf2d151921. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/cb2c519d-d216-4d71-a790-a32f54c1635e.json and https://artists.proofprofile.net/proofs/artist/cb2c519d-d216-4d71-a790-a32f54c1635e.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 0x6ee9ba4ffd7d8541e9e0fcef283eee3ef55721b657277e956a292b7c09562842. 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/BRS5Y1900008.
Na Cama / Climatizar / Pela Vida Inteira / Derê / Vício / Pura Adrenalina / Toda Noite / Pensa Bem - Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad7e99f486fdd8256ea357cc8a4ddb00e691dc940f437ef37b2b517bdc1543ac. 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/QZW9L2481183.
Vida Real / Trajetória / Novas Regras / Sem Saída / Um Só Sentimento / O Meu Coração Tem Medo / A Distância - Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2869dfac69bf1527b72519dbb4c9931cde0df3c539603587505e96230066b46. Chain 2 (Bitcoin): anchored in block 958362 (2026-07-17T04:32:48Z), 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/QZW9L2481184.
Retrô / Proposta / Deixa em Off / Nuvens de Algodão - Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0fc1b582a88cb85bc3ae9526488d635b5d6d26bf4288da09aff0d838d8505a16. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/QZW9L2481185.
Não Tem pra Ninguém / Dona dos Meus Sonhos / Meu Bem / A Vingança - Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed4ca0ab8c63d4039dc8a256eb802f3cee120da1330ea6a9d0eda40cb311c477. Chain 2 (Bitcoin): anchored in block 958369 (2026-07-17T08:00:57Z), 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/QZW9L2481187.
Dependente / Indiferença / Vida Que Segue / Vai Embora - Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31cf17cfe0e6d4eab33ff9e25a6ef3d3fa7be8d90191019f4ad62a853f6f5a6d. Chain 2 (Bitcoin): anchored in block 956742 (2026-07-05T05:07:15Z), 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/QZW9L2481188.
Chega Dessa Dor / Para Tudo / O Amor Chegou / Saudade Não É Solidão - Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ca027696789e7ad9946c4769a7b35128368afbcb44283fd86f6ca89ad35c038. Chain 2 (Bitcoin): anchored in block 958572 (2026-07-18T15:47:37Z), 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/QZW9L2481189.
Não Me Vejo Sem Você / Razão da Minha Vida / Porta Aberta / Nada Vai Separar / No Rádio - Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90f648fb3af3680fe04eb99dcd18cb2f02e69c9bf3d2669e04fa914b9f0b3621. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/QZW9L2481190.
Cedo ou Tarde / Não Sei Viver Sem Ter Você / Razões e Emoções - Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25d1ea6fe74d2fef2e40eda7abbb3a6e519d119613b07ea28f09851ec06d9b19. Chain 2 (Bitcoin): anchored in block 958985 (2026-07-21T08:39:15Z), 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/QZW9L2481191.