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 0x714bae1a2b06c2acea8def0ef8a0f0f62001f662c20816336369efeafff86d0f. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3bfa2f27-7b4b-4fce-9ac1-3bcec5a6a844.json and https://artists.proofprofile.net/proofs/artist/3bfa2f27-7b4b-4fce-9ac1-3bcec5a6a844.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Tema de Abertura O Diário de Mika (2015)
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 0x6fe08095c207cec507b9fb98ba3a53011ad65c008ee7a86869806e23fe88c959. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/BRPLP1500082.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc721dfafe6d2babf1b01ecb5ef6390ccc4c2860058269f8e8ffd4e4dc35b28e1. Chain 2 (Bitcoin): anchored in block 958805 (2026-07-20T02:22:58Z), 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/BRPLP1500084.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89dcf1ffeece7f5e8add7b6e87bd49b8ecdef3a857f36b2359b5060ff31f5a69. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/BRPLP1500118.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9c97125720f55e725e873fbf3e68becb10083690e5c78b556136656b2677012. 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/BRPLP1600002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16773e45db29b1a709cd31c1d28f5c9df49194dad00818aedf7db791b6f4aefb. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T14:31:36Z), 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/BRPLP1600003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37cde78e520d0c2e115ead8125777984afdefe503a935ef9e64b33d0cb4ba128. Chain 2 (Bitcoin): anchored in block 956861 (2026-07-06T01:57:57Z), 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/BRPLP1600010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9952a606cbbe78be0b23da67a6adbfcb8d8912b216bd27a9712b58e95fd28ef9. Chain 2 (Bitcoin): anchored in block 958373 (2026-07-17T06:09:33Z), 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/BRPLP1600016.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1492628a302d941bd75f08602eb002be7c6605eb14aeb8cf069457979d1b700. Chain 2 (Bitcoin): anchored in block 958756 (2026-07-19T19:01:41Z), 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/BRPLP1600020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f2bf745e41387962178c2696f03c62598491c3dc86f094852bb0a7a589e5c0c. 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/BRPLP1600025.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xacdf5dc76241d0f0a1deb2f9ec6027c87085d515eb2be7db794683a0ae7521cb. Chain 2 (Bitcoin): anchored in block 957770 (2026-07-12T23:17:00Z), 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/BRPLP1600026.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8694a33b97167774f2b46cc6f8a7a5dccea4c59f6bd260da7c0dac856b4ab268. Chain 2 (Bitcoin): anchored in block 958526 (2026-07-18T09:09:53Z), 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/BRPLP1900007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x267ee7f0259d46bab5f4c22574ba39a065a2866010970c4a5d2b2570c8492dfa. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/BRPLP1900017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4ccd5d799a8d3409fa09d61379aa62967c7671acd6ec8b58f917a6523c0513d. Chain 2 (Bitcoin): anchored in block 958271 (2026-07-16T09:16:54Z), 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/BRPLP1900021.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69c1f3276e7f7e7780c266fe603f61296c2d07baf3487e6710b5a52e6dbf3e0c. Chain 2 (Bitcoin): anchored in block 958622 (2026-07-18T22:58:55Z), 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/BRPLP1900023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x360326f6a5fd68ccdb4e4eaebb87240c786e374e8a54c15e2bb3095eedb0de47. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T17:49:48Z), 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/BRPLP1900026.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf88f1fc4984c26cc9b5f50aab3aa57ea5ac2aca7ba08ed45502adf5db87b7901. 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/BCDVY2200006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35e3da50cfe0b48bf977956def966369affdc6253da3fc04191d86689e503c8c. Chain 2 (Bitcoin): anchored in block 958095 (2026-07-15T04:30:08Z), 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/BCDVY2200003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd63c2c0558ecef7d4a6387ade5a4a474e521874f66d5846a3280cc5adfa64788. Chain 2 (Bitcoin): anchored in block 958238 (2026-07-16T04:30:31Z), 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/BCDVY2400002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9cb1b0e9db60f49b759427e4e87844153068f9dccaa3820635c49e8a3ed60246. Chain 2 (Bitcoin): anchored in block 958788 (2026-07-19T22:07:06Z), 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/BCDVY2400004.