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 0x91c52d933be8ef9093f5266cea2667baf63cb103a09bbe20a697911f95c8e815. Chain 2 (Bitcoin): anchored in block 953654 (2026-06-14T16:26:51Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/49ff7535-98f9-40b4-96b7-94e55fa1e145.json and https://artists.proofprofile.net/proofs/artist/49ff7535-98f9-40b4-96b7-94e55fa1e145.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Comigo Está / Jesus / Povo Adquirido / Fiel / Invisível
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 0x0782e6e03f75a4ac241d6313f76b687fb821db2a05a3114ffac9b561fb1712bf. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QZNJW2370902.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1357737a746940388ef5428774810369e866b77fc705859f1788f172fe53a60. 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/QZWV32360187.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24247f09ac69fbbb1b06d06043c39fbd935a75fc5fce076c8c95631aba64763d. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QZWV32360199.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeab1fa2e25b86ab9ab24bac9e56f880ed7df25b4d057a7d18c466c50b572c48b. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/QZWV32360209.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe18af270d80b895c5d1e1349938156733f802469d95c6ddeaa10b16f5bc40ec. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/QZWV32360273.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69a12324e7dce2a91fceaa1c729992eb8439d6dff32bdf471cfbf33ca303d323. 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/QZWV32360540.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b040690fc40133d17831cb9105c1f6f355ca0d1297b6de2cfaeb3abb05a136f. 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/QZWV32360286.
Comigo Está/ Jesus/ Povo Adquirido/ Fiel/ Invisível
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31b83edd3adb6e6169afa8f84f4b65e82a10ed344e9b10da5c962c91b3f9c118. 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/QZWV32360470.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b0b671f67f6a1091fab99f57f36cad1b59dfb10cb9c66fc79a4c5cfe66f0325. 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/QZWV32360335.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb50e566680f11577db8a1a955be132f0894857d2fd0faef8cd1ed4bb4ec2902. 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/BRLD21900001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xceba2a19bd3fbdde816613056de7edbb7e9841d81a882a6905f1f51a8bd244b6. 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/GBWUL2374203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31b83edd3adb6e6169afa8f84f4b65e82a10ed344e9b10da5c962c91b3f9c118. 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/QZWV32360470.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b0b671f67f6a1091fab99f57f36cad1b59dfb10cb9c66fc79a4c5cfe66f0325. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), 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/QZWV32360335.