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 0x9fa0c6adf545c5e26233cc629620f49fde97a11255f72f1906a601bb1d37e747. Chain 2 (Bitcoin): anchored in block 953626 (2026-06-14T11:41:45Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/24414f23-0f6e-47e4-b7fe-5accdb21e0f4.json and https://artists.proofprofile.net/proofs/artist/24414f23-0f6e-47e4-b7fe-5accdb21e0f4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
CHAMA 2,3 SAFADA /TACA A XOTA NOS LADRAO
MTG- ELAS QUEREM UM FILHO MEU/QUEM TEM JOGA
ECOLINHA DO PORIPA MC LJ DO TR MC LIL MC KHAMU
MEGA DO ENCOSTA TA VENDO AQUELE CARA BOLADA
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 0x2f288cb0b71682f94fff149f70320537d6374c4b1fe5f32b1c967ffb0a6d5475. 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/QZYFZ2412277.
REMIX TREGUA Matheus & Kauan, Wesley Safadão
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fad5c2219f82063a617fa6fd85858ef79d462dc5faa92767a9c3706fd4dad92. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/QZWDW2511979.
CHAMA 2,3 SAFADA / TACA A XOTA NOS LADRAO
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15b1e3dc18c9265e4424e33eff32aca7bdf425edecc250a081c073378ee965f1. Chain 2 (Bitcoin): anchored in block 958746 (2026-07-19T17:54:45Z), 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/QZN882425684.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea9ea1d8f423c0aa24c7eb2816d61bde1574a7831f2b999e8857d3b70b3a59e9. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/QZN882590988.