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 0xde4750523d96221589c64e7c0215dcf508004b244ddaabfa4bb60127badb604f. 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/40f56141-2790-4c67-b9f0-4e571f585b67.json and https://artists.proofprofile.net/proofs/artist/40f56141-2790-4c67-b9f0-4e571f585b67.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 0x5819cfd482421db94b28c40ee2989d47a003642d674dbada6c41c9f84cdc330a. 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/6jdwbcH788txYS6Doy1F1j.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/6jdwbcH788txYS6Doy1F1j.
{"copyright_id":"0xd03d60264795c976bb8228bf65c17b17dfb26c83304d798eb50721ba79a8ca5c","isrc":"QZVFR2300575","name":"LET'S RIDE! - Drift Phonk","registered_at":"2026-06-08T12:03:07Z","spotify_id":"6IWswGWvFnEyqru4yGSDEO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd03d60264795c976bb8228bf65c17b17dfb26c83304d798eb50721ba79a8ca5c. 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/6IWswGWvFnEyqru4yGSDEO.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/6IWswGWvFnEyqru4yGSDEO.
Let's Ride (feat. YG, Ty Dolla $ign, Lambo4oe) - Trailer Anthem
{"copyright_id":"0x61f4a67b2201772648b5e1c3b82a7fa7e30c471d0f26c7350efda61807562244","isrc":"QZVFR2300605","name":"Let's Ride (feat. YG, Ty Dolla $ign, Lambo4oe) - Trailer Anthem","registered_at":"2026-06-04T08:22:54Z","spotify_id":"0nzM2EjruLiTFWnCIGimFk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61f4a67b2201772648b5e1c3b82a7fa7e30c471d0f26c7350efda61807562244. 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/0nzM2EjruLiTFWnCIGimFk.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/0nzM2EjruLiTFWnCIGimFk.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x648192ec183d07d8f58cd7d09d78a704dad0ff2987bd21e087d66ac42e98b15b. 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/21N4kygnrmdLUmQ27DE9Lu.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/21N4kygnrmdLUmQ27DE9Lu.
{"copyright_id":"0xed62ab09a8f945034aac6606c9bfca144226a58c47ad3c936bb058ff1abe5e3f","isrc":"QZNWZ2153935","name":"COWBELL WARRIOR!","registered_at":"2026-06-01T08:05:55Z","spotify_id":"6Y6PJDjR9LWDg4aFa4wKP5","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed62ab09a8f945034aac6606c9bfca144226a58c47ad3c936bb058ff1abe5e3f. 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/6Y6PJDjR9LWDg4aFa4wKP5.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/6Y6PJDjR9LWDg4aFa4wKP5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5819cfd482421db94b28c40ee2989d47a003642d674dbada6c41c9f84cdc330a. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2qHPlpEn8pwS6H5kcLnqWF.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/2qHPlpEn8pwS6H5kcLnqWF.
{"copyright_id":"0xd402e3a7c37c0152da28de7cce4cf00cecbb8723015630bd8ad597159ec12331","isrc":"QZNWT2322309","name":"Midnight sun","registered_at":"2026-06-04T12:27:17Z","spotify_id":"6Dg1DlAlg1DjetIh32lmKv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd402e3a7c37c0152da28de7cce4cf00cecbb8723015630bd8ad597159ec12331. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6Dg1DlAlg1DjetIh32lmKv.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/6Dg1DlAlg1DjetIh32lmKv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8e11058932beb2627094b0c3a4b8dc62e52e6f9f3e0975a671da0e6bab350e0. 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/24BEC2R1yXLQY59ryQCjAF.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/24BEC2R1yXLQY59ryQCjAF.
Let's Ride (feat. YG, Ty Dolla $ign, Lambo4oe) [Trailer Anthem]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd03d60264795c976bb8228bf65c17b17dfb26c83304d798eb50721ba79a8ca5c. 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/2A7nn0CpOCKju5vE3yQYYZ.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/2A7nn0CpOCKju5vE3yQYYZ.
Let's Ride (feat. YG, Ty Dolla $ign, Lambo4oe) [Trailer Anthem / Extended Version]
{"copyright_id":"0xd03d60264795c976bb8228bf65c17b17dfb26c83304d798eb50721ba79a8ca5c","isrc":"QZVFR2300575","name":"LET'S RIDE! - Drift Phonk","registered_at":"2026-06-08T12:03:07Z","spotify_id":"6brEGXOeTy6YtAvfDs7Hlm","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd03d60264795c976bb8228bf65c17b17dfb26c83304d798eb50721ba79a8ca5c. 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/6brEGXOeTy6YtAvfDs7Hlm.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/6brEGXOeTy6YtAvfDs7Hlm.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd73ac0512dbd5728bfb7e226d1e317b6733483b070c126497de87aca1cc7365d. 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/4baxyXr1ewfnli3QB2sIhQ.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/4baxyXr1ewfnli3QB2sIhQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6eb075eb15b0da639269d4c4556f8ad6c8c72b5db60517157dbd42f098d967ce. 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/66i53Kg5cvTF67eaSFNWqz.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/66i53Kg5cvTF67eaSFNWqz.
{"copyright_id":"0x9876209f2e3e317b8c3658be528d81abe3314470b3147ba3aa759b3f4e649a29","isrc":"QZJ842002710","name":"JDM DRIFT EDIT VERY TRENDY HOUSE PHONK!","registered_at":"2026-06-05T13:41:31Z","spotify_id":"0QHLesUUrq3FTtJ5Nt15MB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9876209f2e3e317b8c3658be528d81abe3314470b3147ba3aa759b3f4e649a29. 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/0QHLesUUrq3FTtJ5Nt15MB.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/0QHLesUUrq3FTtJ5Nt15MB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70688d7665b3e21fb59f9a991e8ae5b7071059488c2f36701216341087e90146. 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/2c3vQlHBzkfNrEcbE2AZfX.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/2c3vQlHBzkfNrEcbE2AZfX.
{"copyright_id":"0x1b4c9e4dc74aaed3022f64ac076914f29a950aff03e40fab7587e7e2fdfb1717","isrc":"QZJ842002711","name":"BLUE EYED MESSIAH!","registered_at":"2026-06-07T21:36:18Z","spotify_id":"1aLXJcbKUtfW6ATudSxOs7","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b4c9e4dc74aaed3022f64ac076914f29a950aff03e40fab7587e7e2fdfb1717. 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/1aLXJcbKUtfW6ATudSxOs7.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/1aLXJcbKUtfW6ATudSxOs7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4074c36dcd2d683a667d980d717dd058a79b2490a5774326f1c15045529cd22c. 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/0WGYnJbAkthZQdozUftZQt.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/0WGYnJbAkthZQdozUftZQt.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6eb075eb15b0da639269d4c4556f8ad6c8c72b5db60517157dbd42f098d967ce. 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/21yw08HRAH2A7XAse3huYT.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/21yw08HRAH2A7XAse3huYT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70688d7665b3e21fb59f9a991e8ae5b7071059488c2f36701216341087e90146. 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/7eZ1AwO0UXLBJYrTuQ9MdV.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/7eZ1AwO0UXLBJYrTuQ9MdV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70688d7665b3e21fb59f9a991e8ae5b7071059488c2f36701216341087e90146. 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/2V2bazmj6MlmBjQn0LEcMR.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/2V2bazmj6MlmBjQn0LEcMR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4074c36dcd2d683a667d980d717dd058a79b2490a5774326f1c15045529cd22c. 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/6ukoIjXp3C3IdrzMHWcoE9.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/6ukoIjXp3C3IdrzMHWcoE9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3c316096dcaa5b0466d0672a22aef024771bc81f9f3c1e900ec20331e7f9127. 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/3cW9VuItRwuHILeeCsCZeJ.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/3cW9VuItRwuHILeeCsCZeJ.