1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0xf019355f6c14c40a221d8b94e9e1ac422320492b3e910913adda16676fd210c4. 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/37562a8d-715f-4799-8e32-eea0aa480e8c.json and https://artists.proofprofile.net/proofs/artist/37562a8d-715f-4799-8e32-eea0aa480e8c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32ccd3057d3b9675dfa2d6e7b30af0097f65aed1c5bbceae19bd73bfc9f36f58. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/11xNkj43MO0wbxZBvCB3dH.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/11xNkj43MO0wbxZBvCB3dH.
{"copyright_id":"0x918b45c2c94aafaa451e169fcddddc92c68e44c1b5a4c759a95623f7ae953958","isrc":"USDBB0607261","name":"Devuelve Mi Alegria","registered_at":"2026-06-29T00:15:51Z","spotify_id":"3EcrhgnrlHeLFLNZOmUUii","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x918b45c2c94aafaa451e169fcddddc92c68e44c1b5a4c759a95623f7ae953958. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3EcrhgnrlHeLFLNZOmUUii.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3EcrhgnrlHeLFLNZOmUUii.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb4c265f158f86cfc5fd492bf4edd616a28f0221ea307526500be173709430e5. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2D7Y4QG9JuMnk4wt9QnGkb.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2D7Y4QG9JuMnk4wt9QnGkb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x079d46b35c0a53e0d5228953e5d2675f6e10957303c65711c8e5c56bbf765a57. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6xlMy3tJb0DWQrnO8qFHzO.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6xlMy3tJb0DWQrnO8qFHzO.
Medley Recordando a Tito: Quédate Conmigo / Si Mi Corazón Pudiera
Me Tendrán Que Aceptar (Tu Abuelo y Tu Papá)
Medley: Cuando Estoy Contigo / En Cada Beso
Serie Sensacional Tropical Willie Rosario
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e8e6ec8524e569d57cff418e20803d6566aece0cfc1f27118ea1845e5ab45af. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0rrLwM3bk6wUTXwVit627P.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0rrLwM3bk6wUTXwVit627P.
Medley Recordando A Tito / Quédate Conmigo / Si Mi Corazón Pudiera
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1fadbb1ee6cf96c98aa5652b29b862888e9ff6dadfc8ac03cc40140d382f4586. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3NlrH4nG7kPXJXOhSpP2Rv.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3NlrH4nG7kPXJXOhSpP2Rv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3c244766a3b325793195d24f405a952e88c2e547957ffc7f38c96d365739450. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2BBSa67VEBR5Rkh6MUs4Ws.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2BBSa67VEBR5Rkh6MUs4Ws.
Medley Recordando A Tito / Quedate Conmigo / Si Mi Corazon Pudiera