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 0x75d9746eb371977d90de6ca134476e38023a6397100913c7d7d990c0e6ce8991. 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/73efbd25-5488-4986-b3a9-c5f1afe59d8c.json and https://artists.proofprofile.net/proofs/artist/73efbd25-5488-4986-b3a9-c5f1afe59d8c.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 0x64f084504e14356380327462641604a0df949911aa02ba7a4cbe109168a29085. 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/2REnwq1Mwj9KtUseT4KamY.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/2REnwq1Mwj9KtUseT4KamY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc2d78b87ede49a40abe51bfcd6ad4c1c21299d8f9136608c3d08c6f529a2fc6. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5nsOeFUnS4pJD4oqzmA8Ih.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/5nsOeFUnS4pJD4oqzmA8Ih.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e50d62aa29d09ec72343ff3d675effb6305b572e77947c9f46919728c192f1e. 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/1txDrhJKfClA0VO2x55VFY.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/1txDrhJKfClA0VO2x55VFY.
{"copyright_id":"0x903e77b49a9a5bfca4cbb7163ab5289e1ba7c2e30fdb1a82559a93174726249b","isrc":"ROCMA1711259","name":"Ce vrei de la mine","registered_at":"2026-06-18T20:44:58Z","spotify_id":"3HOhbQTgj7ggx3qv3oOngC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x903e77b49a9a5bfca4cbb7163ab5289e1ba7c2e30fdb1a82559a93174726249b. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3HOhbQTgj7ggx3qv3oOngC.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/3HOhbQTgj7ggx3qv3oOngC.
{"copyright_id":"0xf8273fd36ea2dc3f672706cc58f64785e54a63c9d146bd1fe38e9cbf5c6b9d68","isrc":"ROCMA1711095","name":"Departamentul de relatii","registered_at":"2026-06-25T10:19:02Z","spotify_id":"7alkv8FpkwmxueansECgVI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8273fd36ea2dc3f672706cc58f64785e54a63c9d146bd1fe38e9cbf5c6b9d68. 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/7alkv8FpkwmxueansECgVI.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/7alkv8FpkwmxueansECgVI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7260c44bc0c7d3f40a7da076bac9a68b6e889026592bfb98a838edc403449dc. 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/6mSJLBTQebAQlMM464ZaSC.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/6mSJLBTQebAQlMM464ZaSC.
{"copyright_id":"0x965b9fdd76b5cd5daedd894c8b6f3d2946262cf990371dd7b3467e60071c6d08","isrc":"ROCMA1610967","name":"Fie Ca Vrei, Fie Ca Nu","registered_at":"2026-06-24T07:04:46Z","spotify_id":"5fW1Hkmg1sSWtegRJP3f12","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x965b9fdd76b5cd5daedd894c8b6f3d2946262cf990371dd7b3467e60071c6d08. 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/5fW1Hkmg1sSWtegRJP3f12.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/5fW1Hkmg1sSWtegRJP3f12.
{"copyright_id":"0x1c439b24ccd91e90add1e4726e7df64fffca4500efe5c7cf24cafc134992ddb4","isrc":"ROCMA1610771","name":"Rain in July","registered_at":"2026-06-09T20:17:52Z","spotify_id":"19kv7Ly0kzqBlcjJ3LVP3H","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c439b24ccd91e90add1e4726e7df64fffca4500efe5c7cf24cafc134992ddb4. 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/19kv7Ly0kzqBlcjJ3LVP3H.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/19kv7Ly0kzqBlcjJ3LVP3H.
{"copyright_id":"0xf4590398459fe394df671cee58a2f64f7266f57dc2b023210dd055bac56e16cb","isrc":"ROCMA1410123","name":"Acelasi iubit","registered_at":"2026-06-11T17:08:10Z","spotify_id":"5WTGA1jolMCqTKCwWnvAh8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4590398459fe394df671cee58a2f64f7266f57dc2b023210dd055bac56e16cb. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5WTGA1jolMCqTKCwWnvAh8.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/5WTGA1jolMCqTKCwWnvAh8.
Come Alive (Acoustic Version) [Mx Team Remix]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a9543f61750597c6168a33b2291ed7914aa7d2b011ed9c92110e41143ab1758. 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/4ydnaJ3I5sE2HI53eCbSiI.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/4ydnaJ3I5sE2HI53eCbSiI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd7a398141c5bd2c34940311fa058e533693f3471a29e9568fa2cf5221fc69e3. 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/2Wnm7ms80nVa5s3mshprJl.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/2Wnm7ms80nVa5s3mshprJl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2883908d626aecbf8fcb6b4b0041b33521042876f39f532b05b3aeb15edc0d5e. 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/47iAQVqCFhqzE3qOgy4vQK.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/47iAQVqCFhqzE3qOgy4vQK.
Electrified (Sagi Abitbul Official Remix)
Electrified - Sagi Abitbul Official Remix
{"copyright_id":"0xea1b7026f7e8a62c31c895af75d6c043dc8e6e3db830315f72753d9ed2515eb5","isrc":"ROCMA1102710","name":"Sexy (Radio Edit)","registered_at":"2026-06-05T04:13:22Z","spotify_id":"08Eun0cMbSoqcyMjjXYwiC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea1b7026f7e8a62c31c895af75d6c043dc8e6e3db830315f72753d9ed2515eb5. 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/08Eun0cMbSoqcyMjjXYwiC.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/08Eun0cMbSoqcyMjjXYwiC.
{"copyright_id":"0xba51fafd79955308b784f519783397623d1fc7485408f62c19a76db8f9b045c0","isrc":"ROCMA1102944","name":"Sexy - Sagi Abitbul Remix","registered_at":"2026-06-22T08:06:40Z","spotify_id":"4FZgnz10KYByYpOGPKPizf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba51fafd79955308b784f519783397623d1fc7485408f62c19a76db8f9b045c0. 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/4FZgnz10KYByYpOGPKPizf.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/4FZgnz10KYByYpOGPKPizf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a20c6c5d79321ce5ed4aad01526832ed4e921234564fde45086a3a9656bc2b3. 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/2rT284OIYTmNsgopfDdYtR.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/2rT284OIYTmNsgopfDdYtR.
{"copyright_id":"0xd257ae003bbbd85f7c378307d98dbca2fb904d2a9ea5ce5f82a191d53c954137","isrc":"ROCMA1002190","name":"Love in Brasil","registered_at":"2026-06-04T09:34:30Z","spotify_id":"0w1svlOnAIScpFfYFJGCpw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd257ae003bbbd85f7c378307d98dbca2fb904d2a9ea5ce5f82a191d53c954137. 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/0w1svlOnAIScpFfYFJGCpw.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/0w1svlOnAIScpFfYFJGCpw.
{"copyright_id":"0x536f468c8e331abb9c824100c064d72e7f58bcf0b3231c7b0f5dbd8cabf14085","isrc":"ROCMA1002292","name":"Love in Brasil - Extended Version","registered_at":"2026-06-11T17:05:14Z","spotify_id":"767gb2TRzuxGjvfFdtiSRC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x536f468c8e331abb9c824100c064d72e7f58bcf0b3231c7b0f5dbd8cabf14085. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/767gb2TRzuxGjvfFdtiSRC.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/767gb2TRzuxGjvfFdtiSRC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa5d752f391018d55b58554a1bbb41433a363c86cafac5d8730094caed0c5e3c. 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/3mkPjUDZ0TrJVzAU0xC9GF.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/3mkPjUDZ0TrJVzAU0xC9GF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7f7635026c0a1700d0dda961ed36fc722583ee32a160d784e8542b9d0bc3fac. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1I20S5muihtygrmEHpn3Ha.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/1I20S5muihtygrmEHpn3Ha.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3be81463eb3e07c0d4f526323dcb2e045741f15b204e094434926b038748ed85. 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/1YSA6Ihuv6OGW9osQ3fZGy.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/1YSA6Ihuv6OGW9osQ3fZGy.