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 0x8743b92514e4a7f5f7146815010c915042833049d6ba19e9846e009fb5026913. Chain 2 (Bitcoin): anchored in block 953754 (2026-06-15T06:45:19Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ad309c0e-71b5-46ea-a5f8-4e9c52baf1e9.json and https://artists.proofprofile.net/proofs/artist/ad309c0e-71b5-46ea-a5f8-4e9c52baf1e9.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 0x31ce64db765ee591f56e55286d0c17404e23094d4d7695c9f8401d6f0aa4bc89. Chain 2 (Bitcoin): anchored in block 958861 (2026-07-20T10:02:52Z), 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/QZMZ92200009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5af757e43aa30577945061338011b18980510ddd3e8dcf266ae608ce2438b1f4. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/QZTVM2286986.
Terror Bicolor a Cidade É Nossa Tá Tudo Dominado
Terror Bicolor Bonde da Verdadeira União
Comando Alvi Rubro o Estádio Vai Pegar Fogo
Terror Bicolor e Império Alvi Verde Missão Extraordinária
Terror Bicolor Enquanto Existir o Paysandu Vai Ter Terror
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd731ec8acd32811bce5bcb38b59fc2072da84a521227569393e03ba272c04492. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/QZGLM2349626.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e7c5ad841848fb9da3d09682cc30c42fabf9ac5f56e857bf743bc9dce1ab72b. Chain 2 (Bitcoin): anchored in block 958203 (2026-07-15T23:33:42Z), 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/QZGLM2378059.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef89da4a13c3aa1875f20a21f4b5b59fdb7286d7e74fc30a5b7464b0ea0f3d12. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/QZGLS2340785.
Terror Bicolor a Maior do Norte do Brasil
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x592b7a7d946e94d2d462fd6c4586d0cfe38d1bc68d2d7f47eddb3a9e9ce85f62. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/QZGLS2371648.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a792c041b03bc55734b43dbc64a4a04d354303261c3508c1701844e07c2943e. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/QZ5AB2423522.
Torcida Jovem Crato Guerreiros da Tribo Carirí
Torcida Jovem Cametá Deicha o Caldeirão Ferver
Força Independente a Mofi Tá Te Esperando
Terror Bicolor Oh Jovem Só Não Vale Correr
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e78713053f02a0dba900767c2b05e0127c315e76d50552ea75c125157185812. Chain 2 (Bitcoin): anchored in block 958531 (2026-07-18T09:39:18Z), 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/QZTVM2491687.