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 0x9ca472227880dc2d1e0521e856c72f7cfa4b986c70035e036ecc51658b4d7f59. 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/08c923fa-094f-4964-80cf-50bf4a0c5839.json and https://artists.proofprofile.net/proofs/artist/08c923fa-094f-4964-80cf-50bf4a0c5839.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 0x45380a5f47588c97574d699cf43837816d7856ab3a3b87f5b0f99f2b49febb78. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/QZHN52374866.
♫Hora da Cobrança - Gyutaro (Kimetsu no Yaiba)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39dccffe14a8d058e5aeef168e9038ddfcb335cc7523ffaa6949096fad4d4187. Chain 2 (Bitcoin): anchored in block 957212 (2026-07-08T18:33:44Z), 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/QZMEM2245501.
♫ Sou o Capitão - Mikey (Tokyo Revengers)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae95d890ea6d959c22ea6fc63000284225f509801f85f532c12e4cb1fb942433. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/QZHNA2289474.
♫Rap dos Supernovas | A PIOR GERAÇÃO | (One Piece)
♫Rap do Leone Abbacchio | MOODY BLUES | (Jojo’s Bizarre Adventure)
♫Rap do Jack o Estripador | VOU MENTIR PRA TI |(Shuumatsu no Valkyrie)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa082531383a52df25018470c876bb9c0b5e822e504b5f1747ec3e78f9565a116. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/QZNWY2199039.
♫Rap do Adão | O PAI DA HUMANIDADE |(Shuumatsu no Valkyrie)
♫Rap do Muzan | O IMPRONUNCIÁVEL | (Kimetsu no Yaiba)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10e53d5c4b5603aac330a72beed0c451209cf3214c75b7c12e7196df879f2d97. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/QZNWW2128186.
♫Rap do Gyomei | O GUERREIRO MAIS FORTE | (Kimetsu no Yaiba)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62f4ecd566368803eacef1e7931a8e74624684f6b09c5066723abdbbeb29c15c. 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/QZNWV2138698.
♫Rap do Kokushibou | LUA SUPERIOR 1 | (Kimetsu no Yaiba)
♫Rap do Obanai | O HASHIRA DA SERPENTE | (Kimetsu no Yaiba)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31ca8bb40c466fa24b5dae5c3be899c5add361d51e683f32fbf8ebbbbcffadca. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QZNWT2100704.
♫Rap Chara e Sans | Alma Genocida | (UNDERTALE)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6df36f6567a3684aa3b243dafde656bafaa59164ae351404e239b47d73771175. 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/QZNWT2102437.
♫Rap dos Homens-Aranha | VOU SALVAR A TODOS | (Multiverso)
♫Rap do Pantheon | SAÚDEM SEU DEUS | (League of Legends)
♫Rap do Itachi | O NINJA RENEGADO | (Naruto Shippuden)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x632ce2860eb2e3a28ed451f6e9bcc707f3dd1b7055a4aa8f06412a001e593f21. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/QZNWT2100703.
♫Rap do Sanemi | PODER VIOLENTO | (Kimetsu no Yaiba)
♫Rap do Rui | MEUS LAÇOS | (Kimetsu no Yaiba)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4560aa312585114068471ac9b05c2790ff4ab01ce432529cbdc49858f9bdebe. 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/QZNWS2198898.
♫Rap do Muichiro Tokito | EU SEI MINHA MISSÃO | (Kimetsu no Yaiba)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c654e005dc33ec8328a081858b6d1a1213623cc03daca99fb7d230522162d70. 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/QZNWT2136037.
♫Rap do Edward Elric | EU VOU RECUPERAR | (Fullmetal Alchemist: Brotherhood)
♫Rap do Zoro | MESMO QUE EU MORRA | (One Piece)
♫Rap do Hidan | Meu Ritual | (Naruto Shippuden)
♫Rap do Chopper | Flores de Cerejeira | (One Piece)
♫Rap do Dark King | VÃO SOFRER NA MINHA MÃO | (Nanatsu no Taizai)
♫Rap do Angel Zeldris | ARCANJO IMPIEDOSO | (Nanatsu no Taizai)
♫Rap do Dark Ban | Infinite Greed | (Nanatsu no Taizai)
♫Rap do Escanor da Lua | EU VOU TE ASSASSINAR | (Nanatsu no Taizai)
♪Tipo Zabuza | DEMÔNIO DA NÉVOA OCULTA | (Naruto)
♫Rap do Yasuo | Espadachim Renegado | (League of Legends)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7ef9962ec78d59454799da1f4945afc756b6e97ae92576589e77c7482e2351a. 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/QZNWS2198891.
♫Rap do Gon | Hunter de Verdade | (Hunter X Hunter)
♫Rap do Ayanokoji | Vou Controlar Você | (Youkoso Jitsuryoku)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc83d491cde6bf9ec9f4668d36fd3b66f446ee13bf426bb6a714dc16c3cea372c. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/QZNWT2100702.
♫Rap Beast Wirt e Coraline | Além da Morte | (Bad end Friends)
♫Rap do Inosuke | Estilo Fera | (Kimetsu no Yaiba)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b3f5799fed9894c0d09545b427029bacb092b848d3d22212b007ccb525fee5f. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QZNWS2197459.
♫Rap Tanjiro e Sasuke | Eu tô Sozinho | (Kimetsu no Yaiba e Naruto)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c74a722c5efe88752feb23e363a4aa233c934d7e67a001e2bf97822c451e953. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/QZNWS2198890.
♫Rap Meliodas e Escanor | Vou Eliminar Você | (Nanatsu no Taizai)
♫Rap do Norman | Pra te Ver Sorrir | (The Promised Neverland)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43255fe06d3eace64144946dbd2e167439553e4ed43a5dd6ee6f3b4fb8c3ed5d. 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/QZNWT2153300.
♫Rap do Kira | Linhas de Sangue | (Death Note)
♫Rap Ice Finn e Bipper | Olhos Vazios | (Bad End Friends)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5ad66d43f3bf35d868bd329a8b08b7f570a53613c80d4dce69c87215d1e385d. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/QZNWT2155764.
♫Rap do Obito | Caminho da Paz | (Naruto Shippuden)