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 0x1b7c67b62f16340cb58a5a7728f0ce665928dee3c2a09f71a66f8d9608402245. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6e0f47f7-5584-4573-bd91-110f81c9c277.json and https://artists.proofprofile.net/proofs/artist/6e0f47f7-5584-4573-bd91-110f81c9c277.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 0x82808162bdf32110d22a133935857714c54b1a9bd20147fd7c42b14fb4a2f29f. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/QZMHL2000337.
EU SÓ AMO A MINHA GLOCK C PENTÃO E SELETOR
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x442d3a402735bb08e0690470507a5eca8e71ee253aa5026842950d684d1d5b57. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T20:32:27Z), 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/QZS642104973.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cb87064997643d1b5d5b5b72c8236c3512eb35282cd9967ec791af4cf90dae8. Chain 2 (Bitcoin): anchored in block 958721 (2026-07-19T11:02:33Z), 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/US7VG2228678.
RUGAL' PIXADAO' MORENO TATUADO' PIQUE DE ENVOLVIDO
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d053c296991a778c5d02b6bf704ab6b1e34ae2b997908c8c41fe94b01ab2884. 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/QZTVM2296219.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a5690dbb6676c4c0ba258ea7bc7554d0d5f9380031a2d25754412bd6b5b34a9. Chain 2 (Bitcoin): anchored in block 958830 (2026-07-20T08:04:41Z), 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/QZMHN2217714.
Convoquei o Mano Ab Descer pra Ilha de Guriri
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfec24e7452c3845e1ee662114c86fcede15be9577f0e497fbc3278998c95a2b0. Chain 2 (Bitcoin): anchored in block 958563 (2026-07-18T14:29:03Z), 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/QZGLM2391935.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d65c06f47da4d8ad83170b11bfa99c03927e660d0fe14e970efa47264334ee3. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/QZGLM2391936.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40398c0daaaeeed39c1b2e2ccf44dd73a122c746acd24b0279eb394c1bf97ec9. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/QZMZ92300942.
MOSTRA HABILIDA SO VC Q TEM' SÓ NO ESCONDIDINHO
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9900492bf7c26a94e0b31d56230acaaf23736928160238d89f2ee741050448d6. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/QZS652362323.
REVOADA DE ARTISTA COM AS BANDIDA DA SERRA
MINHA PISTOLA E MEU FUZIL SÃO MEU MELHOR AMIGO
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9e417ce5e94a1ab149f2af006cabd03f0d1f789e13f1e0cef8038b619f6b5d2. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/QZS662437752.
Sequencia de pac e socadao' Ta gostosinha ta demais
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1c902565999e963b5ecf0205ad0dd2b40fe3cd3611b67df1f79c396cdf42236. Chain 2 (Bitcoin): anchored in block 958728 (2026-07-19T12:24:55Z), 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/QZNJY2419171.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b4e64ea36ffc25a09e47b0a0b616e3516554040bef26b5cc82ea71c82ba3cea. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/QZS642497541.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f96d31d4d15f720554ccb29543eb87743ab79a4de1da38fc1e5fe61259499dc. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/QZS632570367.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c3dc8526abe7944ec5bd0879ffe64b9d8b75aa9b7a2d4b16c4820d5f665516c. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/QZMHL2550803.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x870adf26f2cec13b4f227455867055fd15f3ad61ded0669da0fb1f922df40279. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/QZS662504477.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86352c3ad6131372dfbd0039a475395bf16ed1eed384c9ce001abf32e0337fd4. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/QZTVM2552829.