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 0x1db3f26981914dfca01cc34140e2a90d4d5a441e350d5387bdb7a1946460e042. 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/3e852dc4-a88e-4a74-8d23-e6046d3c4cf2.json and https://artists.proofprofile.net/proofs/artist/3e852dc4-a88e-4a74-8d23-e6046d3c4cf2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
M T G - QUER AMOR QUER SER BANCADA É COM OUTROS CARA
MTG - ELA VAI JOGA PROS CRIA DE BH - MEDLEY
Mtg-Devagarinho piranha (Dj Rangel do taquaril)
MTG (PULEI SUA JANELA DJ RANGEL DO TAQUARIL) [Mc Magrinho Remix]
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 0x1118916d41e207bf45d7c8b9998d4677b67771d291cf8fe97dd63c95f4a4dfcd. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/ESA112448127.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x362b14b01eb3f760fafbffecad079ee43542ebc0213d3ebd97cb91a4748dd1bc. 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/QZTPX2435271.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb20d6af139d04712c9113a495e0db86af5e2be9ac68e3200dc7e9c24b7e09943. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/BXTRN2400646.