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 0x88f5f5be76d7da630f721465dd32721e2b3f833937d803c9d02b53b20380595a. 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/1c60b40a-962d-4fbd-b13a-d091362eba34.json and https://artists.proofprofile.net/proofs/artist/1c60b40a-962d-4fbd-b13a-d091362eba34.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Rap do Kawaki (Boruto) - O Preço do Karma
Rap da Nezuko (Demon Slayer) - A Oni Mais Forte
Rap da Brunilda (Shuumatsu no Valkyrie) - Dona de Suas Vidas
Rap da Hinata Hyuga (Boruto) - A Princesa do Clã
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 0x49d088c752f482446b96dd58283422458b6f5c1e5bc0e26910ba33a867bc3557. Chain 2 (Bitcoin): anchored in block 958541 (2026-07-18T11:37:54Z), 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/QZNJW2175509.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96b22d9c75d79dd7a7ddc4e94757d1c9b7cc461045594b2097e13194346411e3. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/QZNJY2170621.
Rap da Hinata e Himawari - Princesas do Byakugan
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d32a3987813ebe163f3ddb587335ee825d9eadab1d62274d0a7a6100e2bdd21. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/QZ5AB2255847.
Pilar Da Flor (Kanae Kocho (Demon slayer)
O Despertar do Trovão - Zenitsu Agatsuma (Demon Slayer)
A Rosa Selvagem (Yor Forger (Spy x family)
Tudo Pela Operação Strix - Anya Forger (Spy x Family)
Não Vai Voltar - Luffy e Ace (One Piece)
Falsa Realeza - Damian Desmond (Spy X Family)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf12c6b7548c16cd4b3d647bb3cf994b8741bfd8e32e909688abb5df599fc193b. 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/QZNJZ2455902.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55af99ca904cf8aeae404bc264f6c0714d2e55a32eada095187098fdefc8018c. 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/QZNJY2494609.
O Despertar do Trovão - Zenitsu Agatsuma
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe90c659f9cd4620e37a2edb84b968ee123078da46a0c6a07b82bfea092dca606. Chain 2 (Bitcoin): anchored in block 958208 (2026-07-15T22:40:25Z), 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/QZNJZ2487639.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88d41d73e1f87550ae258b41b6df51027213b97eebc470b3c80917bfcc4bdc8d. Chain 2 (Bitcoin): anchored in block 958867 (2026-07-20T11:08:30Z), 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/QZTPX2406221.
Nas Sombras - Loid e Yor (Spy X Familly)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8272a7662171dc09e8b8f9e25badcb9a9b7b29390dad7df78fa4a1f46b75cd4a. 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/QZNJZ2487642.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0aeea35f3b992bcf83d897afb1feb5aaebb6f821c965af5bb1250f7c80a9b57a. Chain 2 (Bitcoin): anchored in block 958867 (2026-07-20T11:08:30Z), 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/QZTVM2451020.
ONDE A CHUVA CAI... - ITACHI UCHIHA (Naruto)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18545a5d70e82c1ec8d0959b2b5048232264e6f9e2a223e8b038f43ca8a9d37a. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/QZHN32215642.
Boruto & Himawari (Boruto) - DESTRUIÇÃO EM KONOHA
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50df6c6132ce18219a577e443849319c958338efbeff830eacb9e668732aa04a. 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/QZHN32359477.
O MUNDO PRECISA DE NÓS! - TIME 7 (Boruto)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5eb7813e67b95dd0d770519b8b308a474babdd9ee1fc5c44574591e4d9e055fa. 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/QZHN52268701.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa22fdc8e414bc389f8b90ae5caef89c502afda053b56681238161d0f8b4bb931. 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/QZNJW2184847.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed7d6e438cce16b72d1e7201507eac0f164074056b5f1da697441de814b13141. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/US7VG2347840.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08e75a36615408e0f700843cd34100171c909d3e3f1ebad03fb9fcf665b5c979. 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/QZTB42324153.