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 0x8c64b26b49d8f78358984cc02257c7e9c580b466b9ba22e2056738ad5ea0a2f0. 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/12e39ba7-e2f0-4f82-9877-c78b8188741c.json and https://artists.proofprofile.net/proofs/artist/12e39ba7-e2f0-4f82-9877-c78b8188741c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x8b1af33d323be8b9dd851e8234d159eeddf2c0a8d2feadfb96ec5c131cee37da","isrc":"QMCE31701267","name":"Just Sayin","registered_at":"2026-06-22T08:46:50Z","spotify_id":"2jFXNu1HQQLy9tIw2jpqat","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 0x8b1af33d323be8b9dd851e8234d159eeddf2c0a8d2feadfb96ec5c131cee37da. 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/2jFXNu1HQQLy9tIw2jpqat.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/2jFXNu1HQQLy9tIw2jpqat.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0349e15454fae5d319db08d8612449d4c2eee590925fd3fdbb05ca5e30399493. 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/1vgB6x2fQkP4nsZtioppQX.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/1vgB6x2fQkP4nsZtioppQX.
My Cuzzinz (feat. Freaky Dsmg & Ken Ken)
{"copyright_id":"0x6f3be9404c0ad0afc8e41deb5090aa16bb47370c6411d0d408f6e1ee11d807be","isrc":"QMCE31701135","name":"New Wave","registered_at":"2026-06-18T05:52:31Z","spotify_id":"3ApdidnRKxBw5uCFMo5qWW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f3be9404c0ad0afc8e41deb5090aa16bb47370c6411d0d408f6e1ee11d807be. 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/3ApdidnRKxBw5uCFMo5qWW.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/3ApdidnRKxBw5uCFMo5qWW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3c80d4ed1c0cfafa8672e52ec1a14af678f0f40351d39db645311d2354a76c9. 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/4scmcTL14r25IjkIG2xCxx.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/4scmcTL14r25IjkIG2xCxx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65dfe7838a1374759a966f65cbd4f95f487e3416914e919fe180cf5f24007126. 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/0QzAhTbNhMCVMb5U5p4x8e.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/0QzAhTbNhMCVMb5U5p4x8e.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82352759d152306933cec36232686265da6dcbe2c0a14ef7bf04e4ae7fe10440. 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/4Cb4Ehfj2S8UhC5JKqmJ6m.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/4Cb4Ehfj2S8UhC5JKqmJ6m.
{"copyright_id":"0x401176a201ff7ca4f0b31f31dd103239d13ed32f0fd446a69b93891e9c0fb0d3","isrc":"QMCE31600777","name":"Dead Axx Wrong","registered_at":"2026-06-17T04:25:16Z","spotify_id":"0lrGwDCevFpz9RpgtVEEru","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x401176a201ff7ca4f0b31f31dd103239d13ed32f0fd446a69b93891e9c0fb0d3. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T20:32:49Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0lrGwDCevFpz9RpgtVEEru.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/0lrGwDCevFpz9RpgtVEEru.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6692c08ca962bb0ff4676b5207836eb2d1a8f4cb07f3d70e90431150df94fe0b. 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/1YHxhZjldHhU51NAfQk2Bd.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/1YHxhZjldHhU51NAfQk2Bd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b29b300080dcca72c6b43fe650283976dec10a75fa6dc44873322ff278cb3e6. 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/15lux1azHiCVkWMCgaNG7D.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/15lux1azHiCVkWMCgaNG7D.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16694523b15987b874ae5b53482f476973e340a88d7f09630ac89eea5a32a7bd. 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/2kYki8IoMeOJhNUZH8YL7u.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/2kYki8IoMeOJhNUZH8YL7u.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf8b2567af38539688e45ddef87fac37f4e63d4fb48a21615e99b33effa674da. 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/7LRQoGNVLxJ7W7pMhhPFCr.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/7LRQoGNVLxJ7W7pMhhPFCr.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb012dda36081fd94a5d0dce0b96e32747d589fe03bc43804bb3f6d323ec8100. 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/4xJ00nWihUo2nhiS9QGiQk.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/4xJ00nWihUo2nhiS9QGiQk.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f1fd008f21a18368d333b17ea285a0f387a4876843c36fadd899163abe6b343. 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/4Uy4AbkO7p6lKhJUE2xwBV.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/4Uy4AbkO7p6lKhJUE2xwBV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a368f480dd4becefb3f124a0a1a5a90d2fd7bf93a62513f145726b9296ca332. 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/2AzehPgyQ9ORvW6PNwAYgX.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/2AzehPgyQ9ORvW6PNwAYgX.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x873e9763136ce0cf42ac001ec01b8fc856e6797563aeacc762dec6317232337a. 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/17nhicA0lFQbIU7nCeizH1.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/17nhicA0lFQbIU7nCeizH1.
Spend It (feat. Young Thug & Young M.a.) [Remix]
Spend It (feat. Young Thug & Young M.a.) - Remix
{"copyright_id":"0x038f5a29ba1f404e04384b10452cceec12a4c2b16e5fdb9d8b7ccd236fb29274","isrc":"QMCE31600827","name":"Spend It (feat. Young Thug & Young M.a.) - Remix","registered_at":"2026-06-09T20:40:47Z","spotify_id":"5RWEAcnpywCsvSoFHdI9FN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x038f5a29ba1f404e04384b10452cceec12a4c2b16e5fdb9d8b7ccd236fb29274. 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/5RWEAcnpywCsvSoFHdI9FN.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/5RWEAcnpywCsvSoFHdI9FN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0dddf6d22fb14f24a0161e7aefc5e7a58d66e169cbb8f229ce741043718842b2. 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/2L92bpT2vGWnvsFvnJMvM8.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/2L92bpT2vGWnvsFvnJMvM8.
{"copyright_id":"0x2979d1d1d8bd823de83142159dc52f96f67c096baa2962514db85faeac75ad1f","isrc":"QMCE31600642","name":"Wat U Mean (feat. Lil Yachty) - Remix","registered_at":"2026-06-07T03:33:53Z","spotify_id":"4riiAdWWB9qw9cJkfSWQfe","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2979d1d1d8bd823de83142159dc52f96f67c096baa2962514db85faeac75ad1f. 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/4riiAdWWB9qw9cJkfSWQfe.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/4riiAdWWB9qw9cJkfSWQfe.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e127aa65195b676e021662e99447a3ec384a58dfeb37bbfeaf7983d88a018ec. 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/6n1E79DRl0mxhHLCO2seFT.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/6n1E79DRl0mxhHLCO2seFT.
{"copyright_id":"0xb0da46d710add0d1e99d5bd441521bcc1e288c5dd8ea51818b7199bae87861f5","isrc":"QMCE31500523","name":"Wat U Mean (Aye, Aye, Aye)","registered_at":"2026-06-04T09:12:52Z","spotify_id":"46IdjlVO3EmaMqooXZ1Hcu","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0da46d710add0d1e99d5bd441521bcc1e288c5dd8ea51818b7199bae87861f5. 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/46IdjlVO3EmaMqooXZ1Hcu.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/46IdjlVO3EmaMqooXZ1Hcu.
{"copyright_id":"0xed033eec3e7d030744c864eb03d9bfce6184cd2ed08cd87b591d63c88da9239a","isrc":"QMCE31802145","name":"Blackout (feat. Dae Dae)","registered_at":"2026-06-18T17:03:22Z","spotify_id":"0iYdgWA8HxlrY62Iaq2bPO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed033eec3e7d030744c864eb03d9bfce6184cd2ed08cd87b591d63c88da9239a. 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/0iYdgWA8HxlrY62Iaq2bPO.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/0iYdgWA8HxlrY62Iaq2bPO.
{"copyright_id":"0x33d7c24eaa4f07c2b8db3e9b0c80a0fd61067a7b0e46c8b2204120d0f363d70a","isrc":"USAT21700786","name":"I Heard (feat. Dae Dae)","registered_at":"2026-06-22T05:16:16Z","spotify_id":"4RXTyr3GwJmm83LquBLGSY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33d7c24eaa4f07c2b8db3e9b0c80a0fd61067a7b0e46c8b2204120d0f363d70a. 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/4RXTyr3GwJmm83LquBLGSY.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/4RXTyr3GwJmm83LquBLGSY.