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 0x73be9b174a42ca21f639c5c31c74aacfe0e6bc428585690c2631bd0c430c5b30. 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/1a354cb4-9208-4d4f-aa60-0e1501b40d81.json and https://artists.proofprofile.net/proofs/artist/1a354cb4-9208-4d4f-aa60-0e1501b40d81.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 0x5d5532c1bbeb531c2b1f21e3033868abda59576d5e64a48c48107fb312684f28. 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/4jkEkAD9ofKaade3eIEGvg.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/4jkEkAD9ofKaade3eIEGvg.
{"copyright_id":"0x58acffba8c02aa157d6908d9d04bb82e4382ae7f21beea6c891dc0f3a4335923","isrc":"USNL10700013","name":"You Got It (II)","registered_at":"2026-06-28T22:04:28Z","spotify_id":"0XufllSq5HVDH2RMwabCif","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58acffba8c02aa157d6908d9d04bb82e4382ae7f21beea6c891dc0f3a4335923. 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/0XufllSq5HVDH2RMwabCif.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/0XufllSq5HVDH2RMwabCif.
MothaFuck You ft Curren$y , tre nitty, and 12oklock
I wanna Fuck ft Damien,Tre-Nitty & Twelve A 'Klok
One Thing About A Player ft featuring Damien, Twelve A 'Klok & Tre-Nitty
{"copyright_id":"0xfc79997344f0dd0ee1637f9ec0ea504d9e7b63e5bc3db4ba3165cd6060d37304","isrc":"USCM50300192","name":"Slow Motion","registered_at":"2026-06-01T11:19:00Z","spotify_id":"6ihObRBTB8xdSH2mlERtOX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc79997344f0dd0ee1637f9ec0ea504d9e7b63e5bc3db4ba3165cd6060d37304. 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/6ihObRBTB8xdSH2mlERtOX.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/6ihObRBTB8xdSH2mlERtOX.
Pay For It (with Tee Grizzley & Soulja Slim)
{"copyright_id":"0x6e944b1a47a7ef2f0670ad7ef96d5037be79650c8433b4a5dc2b52b1443ff454","isrc":"USUG12207782","name":"Pay For It (with Tee Grizzley & Soulja Slim)","registered_at":"2026-06-08T17:51:06Z","spotify_id":"1hxpMWIRKqlWeMKKYedemP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e944b1a47a7ef2f0670ad7ef96d5037be79650c8433b4a5dc2b52b1443ff454. 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/1hxpMWIRKqlWeMKKYedemP.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/1hxpMWIRKqlWeMKKYedemP.
{"copyright_id":"0xfc79997344f0dd0ee1637f9ec0ea504d9e7b63e5bc3db4ba3165cd6060d37304","isrc":"USCM50300192","name":"Slow Motion","registered_at":"2026-06-01T11:18:58Z","spotify_id":"1DPBINsfGFE2jsO0zJzqsw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc79997344f0dd0ee1637f9ec0ea504d9e7b63e5bc3db4ba3165cd6060d37304. 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/1DPBINsfGFE2jsO0zJzqsw.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/1DPBINsfGFE2jsO0zJzqsw.
Ya Heard Me (Interlude) feat. Soulja Slim
{"copyright_id":"0x54e383c44cf6e5674c9fa957fcfbcc370aa5aff5bd577305fa8a52d94c136b57","isrc":"USUG12207786","name":"Ya Heard Me (Interlude) feat. Soulja Slim","registered_at":"2026-06-25T19:43:36Z","spotify_id":"0cyUZPRZn3vUAz0kZcjjyx","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54e383c44cf6e5674c9fa957fcfbcc370aa5aff5bd577305fa8a52d94c136b57. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0cyUZPRZn3vUAz0kZcjjyx.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/0cyUZPRZn3vUAz0kZcjjyx.
Gotta Get It (feat. B.G., Juvenile & Soulja Slim)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x057bcb803eb005896a4202a853f17515621eb1d261336ac536c72064d022fb13. 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/2CoLU2Vy9phlXn1pGvRacA.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/2CoLU2Vy9phlXn1pGvRacA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32eb160b547cc6e30327987659e4503d5610d353a578a4ac0c19f215a70eb0be. 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/599xeVfUHC72FFpgmnVr9G.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/599xeVfUHC72FFpgmnVr9G.
{"copyright_id":"0x71778e97c0074d1be19a44b4d6645b8980ba165f493edc9dadc8541eac23cd81","isrc":"USPO19800023","name":"20 Dollars To My Name","registered_at":"2026-06-10T15:29:40Z","spotify_id":"3iP6mcZQoZffvhZUlHnYad","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71778e97c0074d1be19a44b4d6645b8980ba165f493edc9dadc8541eac23cd81. 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/3iP6mcZQoZffvhZUlHnYad.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/3iP6mcZQoZffvhZUlHnYad.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc79997344f0dd0ee1637f9ec0ea504d9e7b63e5bc3db4ba3165cd6060d37304. 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/7LUAoL3ExoDmdfR47JSA98.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/7LUAoL3ExoDmdfR47JSA98.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc79997344f0dd0ee1637f9ec0ea504d9e7b63e5bc3db4ba3165cd6060d37304. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4gWMoUXaWtEjoIg1256FSb.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/4gWMoUXaWtEjoIg1256FSb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7533c98134a9addab9ac18dd70e10d7268ade3f17b0d08e1a6e88a7db391f520. 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/1lwjsFMhPkjFrur774VIqf.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/1lwjsFMhPkjFrur774VIqf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f05ee113145a2803be6bae190235d533a13c71754c62b3034ca6be92aceb822. 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/57iOJYuRDu4A1f07xKC47T.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/57iOJYuRDu4A1f07xKC47T.
N**** Owe Me Some Money (feat. Soulja Slim, Lil Boosie & C-Murder)
{"copyright_id":"0x845d0a0c56bbbadf65ed83e9e2093829314476d206d8def1c25cef4be00cf19e","isrc":"USKO10902278","name":"N**** Owe Me Some Money (feat. Soulja Slim, Lil Boosie & C-Murder)","registered_at":"2026-06-20T03:28:51Z","spotify_id":"3Rbh9J6xlGEfBstvqm8Uqc","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x845d0a0c56bbbadf65ed83e9e2093829314476d206d8def1c25cef4be00cf19e. 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/3Rbh9J6xlGEfBstvqm8Uqc.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/3Rbh9J6xlGEfBstvqm8Uqc.