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 0xe3b6cb351361bdb42bbfc9f9749039e4aec3cc04cb2fe0e654bdb71a2bd97d42. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/00f7044e-178a-4892-a1fe-6d45ebe6d562.json and https://artists.proofprofile.net/proofs/artist/00f7044e-178a-4892-a1fe-6d45ebe6d562.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xca6e3a12d4f4c0c0042d4964539542555ba2e5e9f2c20d444db9db5bd82c3e90","isrc":"TCAEA1848216","name":"La Barbarie","registered_at":"2026-06-10T16:12:13Z","spotify_id":"3qAp5lkSus1GKSUxefzNMz","type":"track"}
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 0xca6e3a12d4f4c0c0042d4964539542555ba2e5e9f2c20d444db9db5bd82c3e90. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3qAp5lkSus1GKSUxefzNMz.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/3qAp5lkSus1GKSUxefzNMz.
Mi Revolución (feat. Escuadrón Patriota)
Donde Estan Mis Balas (feat. Brebaje Man, Charly Mucha Rima & Anderson y los Niches)
Obligao No (feat. El Aldeano & El Ejército)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6cf78e6e48a6ed5108093139731aff343a70b9a33736060b19a2631f177b381c. 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/7on3ehGXbVhQHbDmwX7aCP.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/7on3ehGXbVhQHbDmwX7aCP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6edee63038648cc60dd70986ea699c4ec0fa5591bdb59c17b6201722c96f36e5. 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/3VGoVLRR6df9zDOlpd0tEb.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/3VGoVLRR6df9zDOlpd0tEb.
Far Cry 6: The Music of Yara (From the Far Cry 6 Original Game Soundtrack)
{"copyright_id":"0xca6e3a12d4f4c0c0042d4964539542555ba2e5e9f2c20d444db9db5bd82c3e90","isrc":"TCAEA1848216","name":"La barbarie","registered_at":"2026-06-10T16:12:13Z","spotify_id":"099mgQorDkzjdSHnveYyCQ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca6e3a12d4f4c0c0042d4964539542555ba2e5e9f2c20d444db9db5bd82c3e90. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/099mgQorDkzjdSHnveYyCQ.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/099mgQorDkzjdSHnveYyCQ.
{"copyright_id":"0xd778bf9ea0a2128cfa8cf0e11bcfd1e8e2d25cb27e4fb9815332396a6997e84c","isrc":"USA2P2030355","name":"Rappers Samurais","registered_at":"2026-06-26T01:08:33Z","spotify_id":"3fL5OWec6RjoHgk31kQsA0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd778bf9ea0a2128cfa8cf0e11bcfd1e8e2d25cb27e4fb9815332396a6997e84c. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3fL5OWec6RjoHgk31kQsA0.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/3fL5OWec6RjoHgk31kQsA0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x449a28170d70c6cef04070ea453093de3be86f1147cabd69312dfed5bbf066b4. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5hrqMN3i0CRalOB89z48th.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/5hrqMN3i0CRalOB89z48th.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c577e2ee785d837b9502a177f48bd65e6fbe97703a06bb5d127b039418e642e. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0BTP3VBF9oO0xVtO5UCTjM.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/0BTP3VBF9oO0xVtO5UCTjM.