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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 0x8311ff7c3f9e2d10cd983601fd291b553be5d82c499a1683a3557c6f337cae74. 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/c73cbb8f-cb09-4d64-8ab4-8e66c2d4155f.json and https://artists.proofprofile.net/proofs/artist/c73cbb8f-cb09-4d64-8ab4-8e66c2d4155f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Eu Não das Palavras Troco a Ordem (ENPTO)
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 0x3c659d8f8a1d5c3ac7bc8d8b5c0ae91fe55007223da990393d60f6bc257aa620. 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/GBKPL1816298.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8df03840739e69e4d54f2f4002c9c57c355544dbe438f0c36521f54fed675f8. Chain 2 (Bitcoin): anchored in block 958977 (2026-07-21T06:27:23Z), 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/ES71G2315420.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2324039d25f133c1c7933bb276fc06d925738ac808ff0c329a301f517fa990ab. Chain 2 (Bitcoin): anchored in block 959087 (2026-07-22T02:05:55Z), 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/GBKPL1816140.
'Trabalho & Conhaque' ou 'A Vida Não Presta & Ninguém Merece a Tua Confiança' (T&C/AVNP&NMTC)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ba1fd5ad53523b231be54530009b9afe956bb8a0d04338a5d63b4ce1fdfca3f. Chain 2 (Bitcoin): anchored in block 958631 (2026-07-19T00:50:09Z), 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/GBSMU2290343.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa47a5cb2f3a7865c730c494a5539b7155ff5a40554b82a532949cb47be42a7e1. 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/GBSMU2290344.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e398db6e1cf6a3066f590d03355b22a52a103ee60a3498567734e51c7b2931f. Chain 2 (Bitcoin): anchored in block 958802 (2026-07-20T01:04:02Z), 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/GBSMU2290345.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49231bf9dbc0687b906b1790cfb47e430f5ca9c93e0bc8dead5d1832a097c17f. Chain 2 (Bitcoin): anchored in block 956841 (2026-07-05T22:14:35Z), 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/GBSMU2290346.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa30dead24ddd0cbfc5196a2ac26166c57751ee1ef9350410d4e90dfe051b77bd. Chain 2 (Bitcoin): anchored in block 958988 (2026-07-21T09:08:06Z), 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/GBSMU2290348.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaee26a7b2f0e0cda9c301b8e99d07ca5bc4d746bb896e23a31c9968c5e607612. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/GBSMU2290349.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36db78b36daf9db90a2f00626943376a8d0f04163d02d9d5246df188566fb94b. Chain 2 (Bitcoin): anchored in block 957876 (2026-07-13T16:00:32Z), 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/GBSMU2290351.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cf7bf162796bb9e6b670a0bcbff09239dd3a9d1fb3a9c54f5d9a97e9f6957a5. Chain 2 (Bitcoin): anchored in block 959023 (2026-07-21T15:22:58Z), 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/GBSMU2290352.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84a3f07c076c3a50b61f2f9093cf57243e2caa9e1ea0fdd1ffc110f7cf8772d4. Chain 2 (Bitcoin): anchored in block 958897 (2026-07-20T14:57:46Z), 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/GBSMU2290353.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1afa6131b7373d2204049db95165ac5f6acf5ceb4b3e91178d98d7e9c00d5561. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/GBSMU2290354.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbeca4ed7bdc73d676dac5f22f0fb339307e781211f489adcc23cdfea81857d3. Chain 2 (Bitcoin): anchored in block 958422 (2026-07-17T13:35:31Z), 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/GBSMU2290355.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x079160b1fc5f243e3a665f41c0afa72ebbe41e8e296fa139e9766e33ecca8e12. Chain 2 (Bitcoin): anchored in block 958996 (2026-07-21T10:57:35Z), 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/GBSMU2290356.
'Trabalho & Conhaque' ou 'A Vida Não Presta & Ninguém Merece a Tua Confiança'
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6664ea3f6145fc1dd6cb4dd70393e65b97d5cc541d549109f1cea2f8545cbc34. Chain 2 (Bitcoin): anchored in block 958520 (2026-07-18T08:19:09Z), 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/ES71G2059940.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c3872b2217e1108ccd044f74f0e827a8e0b645227d371100b57e02b543e3264. Chain 2 (Bitcoin): anchored in block 958480 (2026-07-18T02:58:58Z), 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/GBKPL1816146.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ff23b3be60efb4903e5886dcc0da0f9ce38aa52b0f55d1b9676df5a24c90502. Chain 2 (Bitcoin): anchored in block 958839 (2026-07-20T07:01:59Z), 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/GBKPL1816145.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d8e800bce7258d82ea2aec4984441387d0a6876d260edfe2e4995e200b22061. Chain 2 (Bitcoin): anchored in block 956578 (2026-07-04T02:23:20Z), 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/GBKPL1816141.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30fb42577eabbe5916663c2aa9b22d200eeafc7e985bb3ec67e24afce9c17813. Chain 2 (Bitcoin): anchored in block 959010 (2026-07-21T13:22:35Z), 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/GBKPL1816142.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb197da311046ccbdc5be5e19828b247c1b30d1e8bd950e4daf126095e1af02b8. Chain 2 (Bitcoin): anchored in block 958842 (2026-07-20T07:48:27Z), 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/GBKPL1816144.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c7ad36bc343b4688e7171ac369414e44ddfd223090ae383ee7caa16bd89d21a. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), 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/ES71G2059822.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88b6858926c866698dda56fcfa0baf2df5f5cba3ab396b60e30eec8e82bddf05. Chain 2 (Bitcoin): anchored in block 958428 (2026-07-17T15:15:14Z), 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/ES71G2059841.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3607090bf1785e984f1c3adade8cf03a26bcc5c8fcdb8002d4dad609dcceda7a. 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/PTUM72200012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28e0ea5ee01ef67cfdc08380435737db330d5056ac7bb8b14b4980644ee2c145. Chain 2 (Bitcoin): anchored in block 958860 (2026-07-20T09:58:28Z), 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/ES71G2244297.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45a6d062480e8dddf2f7dba22b243c61d494c25c485440a8dbc321b9cd836bc6. 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/PTNS11800070.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c4fb24a94f9a9b80799a855edf87da98444e8f6240b994ea3cdeb1a6199d53e. 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/PTMD10404820.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa436168d06f3c1f63ceed6940e63dc62a3de4ff9f9c57755e0cef67b6ff41403. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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/UST8K1694122.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3607090bf1785e984f1c3adade8cf03a26bcc5c8fcdb8002d4dad609dcceda7a. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/PTUM72200012.