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 0xcf0aa37e946c755e8875556f0abae8aa50f7c52f8050fba79e6905a6a6734767. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1cd99cab-bb4f-4f34-8d66-51cfb22fa441.json and https://artists.proofprofile.net/proofs/artist/1cd99cab-bb4f-4f34-8d66-51cfb22fa441.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 0xb94677b7073b2ec6ed4e5794788550e04b806860949f0907f69d4bb9d9589667. 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/1dNCkjD27Jk2HznhT8Cpek.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/1dNCkjD27Jk2HznhT8Cpek.
{"copyright_id":"0x894ac371b060bc3e90cdde31e042dbe1b90866f26ee7278c8fd8dc7be1cf1d17","isrc":"QMDA72406404","name":"All I Wanna Do (Chopnotslop Remix)","registered_at":"2026-06-10T03:51:38Z","spotify_id":"1EnIbhKMlB4LIOc5xsq6xW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x894ac371b060bc3e90cdde31e042dbe1b90866f26ee7278c8fd8dc7be1cf1d17. 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/1EnIbhKMlB4LIOc5xsq6xW.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/1EnIbhKMlB4LIOc5xsq6xW.
{"copyright_id":"0xdabd707c170664b89fb024370bede30462f8e5cf3deae76e3a0878b7dda1abf3","isrc":"QMDA72406405","name":"Runnin (Chopnotslop Remix)","registered_at":"2026-06-11T02:49:31Z","spotify_id":"0apwdfzCuk2VehuRfeXNXw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdabd707c170664b89fb024370bede30462f8e5cf3deae76e3a0878b7dda1abf3. 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/0apwdfzCuk2VehuRfeXNXw.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/0apwdfzCuk2VehuRfeXNXw.
Things You Didn't Know (Chopnotslop Remix)
{"copyright_id":"0x7665dad3fad3a192ab484cabc78cda5c86f9c752d2b840c960badf5a444b1618","isrc":"QMDA72406406","name":"Things You Didn't Know (Chopnotslop Remix)","registered_at":"2026-06-10T03:51:10Z","spotify_id":"5mdG1qlqP8aCTqOU7UCkTK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7665dad3fad3a192ab484cabc78cda5c86f9c752d2b840c960badf5a444b1618. 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/5mdG1qlqP8aCTqOU7UCkTK.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/5mdG1qlqP8aCTqOU7UCkTK.
{"copyright_id":"0x5ce30fd3180287cde87f19e9bcd0cb7e2bee20fd1d7749888da18483f5c16fda","isrc":"QMDA72406407","name":"Made Me Feel (Chopnotslop Remix)","registered_at":"2026-06-10T17:25:49Z","spotify_id":"7lGvx6wlLXmZAA5YFFVtyh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ce30fd3180287cde87f19e9bcd0cb7e2bee20fd1d7749888da18483f5c16fda. 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/7lGvx6wlLXmZAA5YFFVtyh.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/7lGvx6wlLXmZAA5YFFVtyh.
{"copyright_id":"0x9aa728d3816bcd77e09ba6218d95841484023e7006bd4de5f789c9c1a8bdfa25","isrc":"QMDA72406408","name":"Upset With Ya (Chopnotslop Remix)","registered_at":"2026-06-10T03:48:46Z","spotify_id":"6qfl1rRWgouxUImFhAvyVL","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9aa728d3816bcd77e09ba6218d95841484023e7006bd4de5f789c9c1a8bdfa25. 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/6qfl1rRWgouxUImFhAvyVL.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/6qfl1rRWgouxUImFhAvyVL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2245a9b2bd88af7523f822987d9910dadeff00b75d114cab64af3817d893e215. 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/46Gxh9cRo1nnH5jJJ8V3GK.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/46Gxh9cRo1nnH5jJJ8V3GK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a0affb08753a11296033c48c87097879d68dee85514a2926f3319502c5b9777. 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/7LGqnI7B6K61h1H8QVcPA5.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/7LGqnI7B6K61h1H8QVcPA5.
Don't Worry About It (Chopnotslop Remix)
{"copyright_id":"0x63fa1d0ad6c296acedb02d9025b14bb6e5fc6322d1879091bffa5dc084dec8d0","isrc":"QMDA72406411","name":"Don't Worry About It (Chopnotslop Remix)","registered_at":"2026-06-10T17:26:45Z","spotify_id":"4wlhMgsmB82gwVobLu9PgE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63fa1d0ad6c296acedb02d9025b14bb6e5fc6322d1879091bffa5dc084dec8d0. 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/4wlhMgsmB82gwVobLu9PgE.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/4wlhMgsmB82gwVobLu9PgE.
{"copyright_id":"0x2a9c8c3e4b932bdc1cc9f6a504a54d969c3b8eecdd13cb529bead89b93c53fff","isrc":"QMDA72406412","name":"Far Away (Chopnotslop Remix)","registered_at":"2026-06-11T09:49:45Z","spotify_id":"1QFk2PzXpejhM7nHLXX8Hx","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a9c8c3e4b932bdc1cc9f6a504a54d969c3b8eecdd13cb529bead89b93c53fff. 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/1QFk2PzXpejhM7nHLXX8Hx.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/1QFk2PzXpejhM7nHLXX8Hx.
Random Access Memory [RAM] (feat. Clara La San)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1056a770e9de98043692a12d03d737f1f17501c613513613152c6d70b956154b. 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/6R55Qoa7SRZ744U85UdMVp.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/6R55Qoa7SRZ744U85UdMVp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c60be160b83b450da08025e6bb11354ab4dd045c1ed3d21474611a0f1e84654. 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/1GFtsKu4t2gPXfRxbZrhxL.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/1GFtsKu4t2gPXfRxbZrhxL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58435f2a1388bad7f01442f695bc772f6622091d146c409dcabd0221fe492346. 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/5dCXWX7FmjPVMJbFAiSaMZ.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/5dCXWX7FmjPVMJbFAiSaMZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ee94551e4cbbb7f58dbecbc5a89cc0fb0e713b2baaf398042db2a6ba94b3c87. 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/04Z4gQvoaggI4cQ6jDLbOe.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/04Z4gQvoaggI4cQ6jDLbOe.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c60be160b83b450da08025e6bb11354ab4dd045c1ed3d21474611a0f1e84654. 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/1gGR1vc9aFMDEhiO3SvHM4.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/1gGR1vc9aFMDEhiO3SvHM4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58435f2a1388bad7f01442f695bc772f6622091d146c409dcabd0221fe492346. 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/0pORLCI6Ep1eyqHJXbUPKG.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/0pORLCI6Ep1eyqHJXbUPKG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x217404080a2312be9308a624dd9749c7b4d2181d576bd74bffc4cffcbec0e55a. 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/09cgbbadzZSKFd1hGN23p5.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/09cgbbadzZSKFd1hGN23p5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c60be160b83b450da08025e6bb11354ab4dd045c1ed3d21474611a0f1e84654. 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/5MUAEt9dFH3IPNtw9P6jUM.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/5MUAEt9dFH3IPNtw9P6jUM.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c60be160b83b450da08025e6bb11354ab4dd045c1ed3d21474611a0f1e84654. 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/3xj4OGvbNO4HAeKFRWPuGH.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/3xj4OGvbNO4HAeKFRWPuGH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c60be160b83b450da08025e6bb11354ab4dd045c1ed3d21474611a0f1e84654. 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/2h8OnhWZCRGNjptZ9IurZw.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/2h8OnhWZCRGNjptZ9IurZw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4581dcf8cf039a14110e2d2273e5b3639b0881ee02faf1814cf9d80dc03be475. 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/4oqYUXY2E60xRyDObiH5SL.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/4oqYUXY2E60xRyDObiH5SL.