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 0xed94ef7083f418d4360b17d6a3b4e46f5d4bfc59581ea145e06990e7a6857336. 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/b294acc8-abf6-497a-8761-ba1e3178e0b0.json and https://artists.proofprofile.net/proofs/artist/b294acc8-abf6-497a-8761-ba1e3178e0b0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Deus lhe Pague/Citação: Rap (P) Agatha /Citação: Dívida Histórica
Brisa Flow no Estúdio Showlivre (Ao Vivo)
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 0x7dcf0e572a40d0ae71fb1ea038f27dca9099ed01872f40b984a3eee7391c413c. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/BXBIS2200002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb380b3927d82b652f0fa350bcb7f654aa753191ccd0822f106cc991b152db92. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/BXBIS2200006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a920ac5becf4a999fe515afb131163055d230eef87360c8c70697b4608de799. 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/BXBIS2200008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x489a9768f8b859111fe5d2c22f1ff3ba71106aaba7c67f16ecd49517201cac4f. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/BXBIS2200011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2844420719819396417d94c0a25396ff22918b931615df5317eed350a0723990. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/BXBIS2200012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18c4818b90575819e100095531f200356220de193c66ff339ae23524b0adc0cf. 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/US7VG1859803.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08f38a4e074c9df499862722a4d92bb1e6e5ca76e0d32b9668e1f203873d9edd. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/BXBIS1800022.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9470bdee4f4822c82c38a81817c9f2496bf21a247c629ede2938b342fa9221d. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:07:14Z), 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/BXBIS1800023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00e6c595b475ef8f44049a9f10474e08188d142d29d3add9a67c4ce8b5165029. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/US7VG1859804.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3dec3d5bd6f60206c9829d2efcbc9660448cb46dec6ad6a4c3ac4f40a2fb13e. 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/BXBIS1800024.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5c687991fdff4bed000002a71fdb2860994d763702effc28cc8013cad19f17c. 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/QZNJV2005296.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49cb9dc373746abb95ff9e5134ba5979f5abc168a14a101f2d1af4e67437a2a4. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/QZ5AB1835818.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaad5ce0c0f9e20d25fb6e8faf985abafadb4da3c3204cb8cbbd1f27649810a24. 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/BXTQF2300011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0b8077bf2dff4a34acf2e9f641962c1e6b566e944711ed3d5cf119f70732048. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/QZ5AB2082340.
Na Luta pelo Estado Laico Contra os Fundamentalismos