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 0x7b58b2b202675ff5136bcaa0a6b0807803a8a679a2d2a7de8aa9be6e73d71147. 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/4e4460d5-d4f1-4282-b4b3-6b4bce345e19.json and https://artists.proofprofile.net/proofs/artist/4e4460d5-d4f1-4282-b4b3-6b4bce345e19.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 0xd85e511be9b36b7289b6bee76f72450b8413d8203f448f36ef4744df930d2ca0. Chain 2 (Bitcoin): anchored in block 960229 (2026-07-30T08:30:10Z), 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/BC3PG2304419.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82f3705c2dd3d56ade3be8edb276d85b54dc054851597fcabff5a64d44af62fc. Chain 2 (Bitcoin): anchored in block 959001 (2026-07-21T11:41:42Z), 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/BC3PG2304660.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xccaa1ef622dee60aa0075b097578e7edfc92ca029417672c9053e34eca63eea8. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/BC3PG2305505.
Berimbau Intergaláctico - Vou Fuder Teu Batalhão
Beat Mata Drake - Desce Novinha Com a Mão no Joelho
Beat Intergalatico - Vai Pagar Com Xerecard
Quantas Botada Você Quer Que Eu Te Boto? Fala 300
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb70e9d26e3f257711fa8aca9b89b264b7e0714079ff8acae95d81e6e294e0bf. Chain 2 (Bitcoin): anchored in block 960383 (2026-07-31T09:50:37Z), 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/QZW9L2336635.
Automotivo Ardente - Eu Taco ou Não Taco Nela
É Tanta Mulher, Que Eu Não Sei por Onde Começo (Slowed & Reverb)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1393584c793bae62d957878fa58e6991637ca49f6ad4c5972c654e5f06da0b73. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/BC3PG2400911.
PHONK WELCOME TO THE SUBMUNDO - Speed Up
PHONK WELCOME TO THE SUBMUNDO - Slowed & Reverb
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c8c7991f586b00f7248cd17cbe3e33bf2ad4c31fed1d9e3b178e3883e35660e. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/BK2242400974.
Você Me Machucou Gostoso - Por Isso a Thaizinha Voltou Ritmada
Beat Engravida Professora - Revivendo o Agudo
Clap Derruba Tamaru - Feia Nois Só Bota Pra Mamar
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c5655ce979f6dfd61eb38d32f79e8a4ea36f2a259ccaee213e6d61cc9eab208. Chain 2 (Bitcoin): anchored in block 958987 (2026-07-21T09:04:56Z), 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/BX4IU2421314.
PRA FRENTE E PRA TRÁS VS PORQUE TÔ DE PISTOLA
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x215563eb89a807e44b5bdbf7d8f73a21ad823308f8ef9f8b41b3e1f546c08ffd. Chain 2 (Bitcoin): anchored in block 958547 (2026-07-18T12:44:05Z), 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/BX4IU2421809.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f428da7ecd09ca3dfb58ba61e4f7ae7a2321f6328d82d4969703e9d462db9a3. Chain 2 (Bitcoin): anchored in block 958176 (2026-07-15T17:14:36Z), 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/US7VG2564876.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79f0d66d122a438992a5bc8383bd35f87baf98974518dcd4605c6d056a103baf. 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/BC3PG2500396.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x114420b8c4efe8b3b2e3149a01768e7975a222aba5a1ccb12abc22e5c11edeb1. Chain 2 (Bitcoin): anchored in block 958508 (2026-07-18T06:27:01Z), 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/BK2242401609.
Bruxaria Aqui no Baile Funk X To Necessitada
Mega dos Carros de Som - Pode Chegar Penetrando
Xrc Anciosa - Tropa do Dj Pena (feat. DJ Kaue NC)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01351781f0e4b05d3873ec7bc629a2b73743ad8575e2892b9095edf9abe9674e. Chain 2 (Bitcoin): anchored in block 960185 (2026-07-30T01:32:48Z), 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/ESA112431358.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x573526e22b2c93dbfbd980a52fb5b2d6918752f9c13a247ebd73273d0b73057a. 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/BX4IU2355408.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78a64a6f92609495bcdd0e74fd40f67b342b2c01732314fe47ec535f76b8750c. Chain 2 (Bitcoin): anchored in block 960410 (2026-07-31T13:50:38Z), 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/QZTVM2470449.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x842b8e75a4354d427db71784458c93b630fc2d2a28cd5f39710903640718792f. 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/QZNJY2449864.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf74606dd35ea3e34c5175e1dba2cd691364ade0de42fa792ec556c146a5112ed. 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/BK33P2500156.