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 0xde48172b50504e3cfb96e17d7e06488b3231884972986955bbb19f39d593abe2. 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/2d3e2f54-c023-4558-8cd7-761c7a150698.json and https://artists.proofprofile.net/proofs/artist/2d3e2f54-c023-4558-8cd7-761c7a150698.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x4fe60f92076ff1f96fbd8bc47c2fd52970b2a69f981dc4117e4eca320082d0b3","isrc":"USLD91754312","name":"Start From Scratch Freestyle","registered_at":"2026-06-07T08:54:14Z","spotify_id":"5o8q8ugKF6ZbqhRhlEKuT9","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 0x4fe60f92076ff1f96fbd8bc47c2fd52970b2a69f981dc4117e4eca320082d0b3. 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/5o8q8ugKF6ZbqhRhlEKuT9.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/5o8q8ugKF6ZbqhRhlEKuT9.
{"copyright_id":"0x7e24088a3dae8d0df1eed2d25a7301738314d99d635dbcbc1c5e4f5a2b58558f","isrc":"USASN2330387","name":"Play Ball","registered_at":"2026-06-08T13:07:57Z","spotify_id":"6VBE3Mw8DELi2QgQTlbuIi","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e24088a3dae8d0df1eed2d25a7301738314d99d635dbcbc1c5e4f5a2b58558f. 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/6VBE3Mw8DELi2QgQTlbuIi.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/6VBE3Mw8DELi2QgQTlbuIi.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe35eeb9284fcf7ab743f77704e234b1e2740f2f6ffb128c47b51223849b78a97. 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/5ZlHbHvhg0XYbeEoCwGRZH.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/5ZlHbHvhg0XYbeEoCwGRZH.
{"copyright_id":"0x1cdb204e6f0a449ff5b610c72d0e3c2ea12fbb3c19e1c69c651b0c88721e84ed","isrc":"USASN2330392","name":"Ima Gangbah","registered_at":"2026-06-24T16:35:08Z","spotify_id":"6KhsHUaKzD0dzbmiKLXdPc","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1cdb204e6f0a449ff5b610c72d0e3c2ea12fbb3c19e1c69c651b0c88721e84ed. 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/6KhsHUaKzD0dzbmiKLXdPc.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/6KhsHUaKzD0dzbmiKLXdPc.
Riden Threw My City (feat. Mitchy Slick)
Connected (feat. Lil Travieso, Chucho & Lil Nate)
{"copyright_id":"0x41d382b5468eb5a7c382f3dfca1c7abcaf770c78e9ed4862d29d37920b95144d","isrc":"USUYG1397927","name":"Connected (feat. Lil Travieso, Chucho & Lil Nate)","registered_at":"2026-06-22T07:12:46Z","spotify_id":"2rq35XCDmTLfOUmeGvjkzy","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41d382b5468eb5a7c382f3dfca1c7abcaf770c78e9ed4862d29d37920b95144d. 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/2rq35XCDmTLfOUmeGvjkzy.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/2rq35XCDmTLfOUmeGvjkzy.
De La Ghetto (feat. Trap Baby & J.Amador)
{"copyright_id":"0xbb11ea53e7f9344b1b015bbd56f3c8327db82a96bd61c8b77fa6876c61edabc1","isrc":"USUYG1267307","name":"Fuck Friends","registered_at":"2026-06-24T18:41:08Z","spotify_id":"01E0eMpBcUCGJHPOA5k7bx","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb11ea53e7f9344b1b015bbd56f3c8327db82a96bd61c8b77fa6876c61edabc1. 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/01E0eMpBcUCGJHPOA5k7bx.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/01E0eMpBcUCGJHPOA5k7bx.
I Got 6 On It (feat. Gangsta Gadget & Stalker)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d65ee592c49c8914c93de9638577963377c571461179db26dda1fb4174b982d. 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/1LTAEsKo1OesYvuA7GDweX.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/1LTAEsKo1OesYvuA7GDweX.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13d768757591838946fe7678bacdf478f45212bed190edcb6ed3bc4f2a94c757. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2Wj9kZSXcV1xhTvO2rtbTY.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/2Wj9kZSXcV1xhTvO2rtbTY.
{"copyright_id":"0x8fc04bd7213a92a8801d2dae1b3c81502f6f0d49ce9d4a05d5654a2f8f686f4c","isrc":"USUYG1458432","name":"Toxic - Remix","registered_at":"2026-06-22T07:13:54Z","spotify_id":"09tgyMFCCfqHaQmo3TYCbn","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8fc04bd7213a92a8801d2dae1b3c81502f6f0d49ce9d4a05d5654a2f8f686f4c. 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/09tgyMFCCfqHaQmo3TYCbn.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/09tgyMFCCfqHaQmo3TYCbn.
{"copyright_id":"0x9689b0d80d0547e2f307fc365c537405a2e241c2813ae5db400e6c667e353c05","isrc":"USUYG1385711","name":"Do The Most (feat. G Perico)","registered_at":"2026-06-09T19:23:58Z","spotify_id":"7KHcdJuYWakpkLAWUlGE3x","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9689b0d80d0547e2f307fc365c537405a2e241c2813ae5db400e6c667e353c05. 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/7KHcdJuYWakpkLAWUlGE3x.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/7KHcdJuYWakpkLAWUlGE3x.
Mama Tried (feat. Stalker Loco & Lil Travieso)
Mama Tried (feat. Stalker Loco & Lil Traieso)
{"copyright_id":"0x33587bb6a3b0fa60c99e1ff73030cf6abccc6e55bdce232e772a3c757a6773c6","isrc":"USUYG1386043","name":"Mama Tried (feat. Stalker Loco & Lil Traieso)","registered_at":"2026-06-09T10:13:07Z","spotify_id":"3orEJ1s4SVseJeF0QvtgME","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33587bb6a3b0fa60c99e1ff73030cf6abccc6e55bdce232e772a3c757a6773c6. 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/3orEJ1s4SVseJeF0QvtgME.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/3orEJ1s4SVseJeF0QvtgME.
{"copyright_id":"0xfafac82e73c19c67996c82ae949c1e977b4bff9f7c1c9da9fad317b5463d07a9","isrc":"USUYG1376051","name":"California (feat. Yelo Hill & Steelz)","registered_at":"2026-06-24T16:35:48Z","spotify_id":"61Fklb95WlCbknAfJogstK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfafac82e73c19c67996c82ae949c1e977b4bff9f7c1c9da9fad317b5463d07a9. 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/61Fklb95WlCbknAfJogstK.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/61Fklb95WlCbknAfJogstK.
{"copyright_id":"0x8fae3744e5ffaece61fcca49fbc67a92f2c8772616cb8ad9d5bd3ec36812bfac","isrc":"USCGJ2105657","name":"Run the Streets","registered_at":"2026-06-04T13:47:11Z","spotify_id":"2dDUKhDNItVL4u0rJryAkk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8fae3744e5ffaece61fcca49fbc67a92f2c8772616cb8ad9d5bd3ec36812bfac. 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/2dDUKhDNItVL4u0rJryAkk.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/2dDUKhDNItVL4u0rJryAkk.
You Aint Really (feat. Ybe & Baby Proper)
{"copyright_id":"0x7c76196a7c5cac3c3455521afbc5413d4843eb974fcbdce69cd74c07da4bfd56","isrc":"USHM92046145","name":"El Mero Mero","registered_at":"2026-06-27T13:15:21Z","spotify_id":"0LMvPLVZaWsYRmsvgo8ppr","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c76196a7c5cac3c3455521afbc5413d4843eb974fcbdce69cd74c07da4bfd56. 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/0LMvPLVZaWsYRmsvgo8ppr.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/0LMvPLVZaWsYRmsvgo8ppr.
{"copyright_id":"0xd294935f5d0eee4e39a65b372516f33ab8f1e2b462137371f925f0896731f66c","isrc":"USUYG1252587","name":"I'm From Dago (feat. Mitchy Slick)","registered_at":"2026-06-09T09:49:29Z","spotify_id":"2ddRJQIcfCrTzxW6a8r4RE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd294935f5d0eee4e39a65b372516f33ab8f1e2b462137371f925f0896731f66c. 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/2ddRJQIcfCrTzxW6a8r4RE.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/2ddRJQIcfCrTzxW6a8r4RE.
{"copyright_id":"0x4fe60f92076ff1f96fbd8bc47c2fd52970b2a69f981dc4117e4eca320082d0b3","isrc":"USLD91754312","name":"Start From Scratch (feat. Lil Grifo)","registered_at":"2026-06-07T08:54:14Z","spotify_id":"7wNyvTpDha1tbFntMUoWqj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4fe60f92076ff1f96fbd8bc47c2fd52970b2a69f981dc4117e4eca320082d0b3. 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/7wNyvTpDha1tbFntMUoWqj.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/7wNyvTpDha1tbFntMUoWqj.