Daniel Lucio da Silveira (born 25 November 1982) is a former Rio de Janeiro Military Police officer and Brazilian politician, previously affiliated with the PSL, UNIÃO, and PTB parties. He was a feder
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 0xb25070b773ef872ed65e4b809644e58ce56f6b6bd5f847a849d58b3ed1510d9f. Chain 2 (Bitcoin): anchored in block 953719 (2026-06-15T01:07:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/89a43f98-1701-4437-b06d-748da76c6141.json and https://artists.proofprofile.net/proofs/artist/89a43f98-1701-4437-b06d-748da76c6141.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 0xca5fc2faae8fd877926902c00d59d2ba05efa6782261631673f90e1e5466f3a5. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/QZHZ42102683.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9312d1f2882a26366a9721b0505cb08652d9682d6f15c3f1da5cf226efdbbdc. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/QZHZ42102684.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0aabe26b41202d8b063e25c554ce42239501574a7410d88a2b90c3d9f966638. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/QZHZ42102685.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a33951ade0e49db8cee9bcfe7dd33d39c8be5aa0db2a0230d443a447f49e98f. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/QZHZ42102686.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1abc0880819f2b02ec886ad809488099e9105cd7d0cddd180ec0d31408145334. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/QZHZ42102687.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e25d8328405efb724e860dcbaccd8336de308ad04108e3ba7425b2928c6e6a5. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/QZHZ42102688.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb668ae220a2083555b1743ccd8b6221cc4028787ea7065b35135249254e6feb1. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/QZHZ42102689.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d87a9f1333051c03c4b013fe57068022a9e53ff708b83b1aef1919ca6ce53da. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/QZHZ42102690.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd84963b524ce20e472f4eb5d1638b8ab617acecba61a203b57b9cb2bc3b39dda. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/QZHZ42102691.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09e7ca368450a03b8186610fb43c88b64f9194c18fb9deb0b5e5f78772b0c76b. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/QZHZ42102692.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61e59a73c27fa728da28662134e1ffcf76aafe153e667b48a4ff1afc07dfe96d. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/QZHZ42102694.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70b4327ad22c1a865942aec09ff64ace0e3c96be9a680cec496198e1995c6501. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/QZHZ42102698.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70acf06a3608425952b832f5f36a9baa8358941dbd6637cdaaf8a110f669eabd. Chain 2 (Bitcoin): anchored in block 959159 (2026-07-22T17:48:40Z), 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/QZHZ42102696.
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 0x4d8aaf6be8248f087087fb8d4ba6de16a1063e2c79c6f2331946aa1c532902d4. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/US7VG1808641.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd3ca2a875b7554df1f035a61223c7b0ebfcfef499dd8dd5308770d4ad4cb3f2. Chain 2 (Bitcoin): anchored in block 957041 (2026-07-07T13:25:45Z), 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/US7VG1808642.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b7aa73db100a927ed033b024dd625f7c0634a2a036a79349b27d192c1f261d4. Chain 2 (Bitcoin): anchored in block 960220 (2026-07-30T07:28:30Z), 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/US7VG1808643.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x001de25e46b760a1da7227525b1e00d0d9368284e3d914f1759a42157ee1c0c1. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/US7VG1808644.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0630c5209a9d0fb6e54934fa5b2a42e55606202f05baf8ac2b1dc6498d2b6c10. Chain 2 (Bitcoin): anchored in block 960216 (2026-07-30T06:39:12Z), 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/US7VG1808645.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9bbfafe9bb985d4fb002147e259bffc600ecea8bf353dcb567d90f8fa3f871e8. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/US7VG1808646.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3518c4dd4fd37f67368733a5f569127cd193835edda20c79fa7f94d7ca4c31b. Chain 2 (Bitcoin): anchored in block 960220 (2026-07-30T07:28:30Z), 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/US7VG1808647.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e3b1e4a2efb027df96c4c40dfca54b3696334b530d91a846f82710214d356e4. Chain 2 (Bitcoin): anchored in block 960198 (2026-07-30T02:21:55Z), 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/US7VG1808648.