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 0x1fb4f563262ab9ed4309462e5fc10df175f57896c5a5eee8e8ce93d86d401d4e. 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/8cd2d2f6-a8dc-4e22-9381-2b4739f21a50.json and https://artists.proofprofile.net/proofs/artist/8cd2d2f6-a8dc-4e22-9381-2b4739f21a50.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xc82e60bdfa56f0a3f7a7b4f606f38a2e8b89117704de27f0d9434825f57c4bc3","isrc":"QZJ842004353","name":"Embarrassing (feat. GloRilla)","registered_at":"2026-06-20T08:27:33Z","spotify_id":"6PH3PORMEN2f90BjBbEmY2","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 0xc82e60bdfa56f0a3f7a7b4f606f38a2e8b89117704de27f0d9434825f57c4bc3. 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/6PH3PORMEN2f90BjBbEmY2.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/6PH3PORMEN2f90BjBbEmY2.
{"copyright_id":"0xd3fa9deb53761d1e86f62dffd652f99c57463fcf0d89796db1ea5293592a168a","isrc":"USUM72314239","name":"4 Dat Money (Lil Poppa, YTB Fatt)","registered_at":"2026-06-08T18:57:42Z","spotify_id":"4UooHf5gTuGMIUohWacqP7","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3fa9deb53761d1e86f62dffd652f99c57463fcf0d89796db1ea5293592a168a. 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/4UooHf5gTuGMIUohWacqP7.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/4UooHf5gTuGMIUohWacqP7.
Now or Neva (feat. Moneybagg Yo & YTB Fatt)
{"copyright_id":"0x474570fcf2dc38710674aeb66a036a43ff874054e4efc50ec5d3b8df6a0ac8fa","isrc":"NL8RL2333458","name":"Now or Neva (feat. Moneybagg Yo & YTB Fatt)","registered_at":"2026-06-06T11:37:13Z","spotify_id":"7rx8jrF9kvwIr2lQIMPZLG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x474570fcf2dc38710674aeb66a036a43ff874054e4efc50ec5d3b8df6a0ac8fa. 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/7rx8jrF9kvwIr2lQIMPZLG.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/7rx8jrF9kvwIr2lQIMPZLG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a8023af1edcf1175830654452ac66a664fd77881972873b0cf8ff36b107bc52. 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/092AkJoxUPmg2OH5TyjGKn.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/092AkJoxUPmg2OH5TyjGKn.
Shot Off Gumbo (feat. YTB Fatt & Fat Wizza)
{"copyright_id":"0x3cac0f97a8f72ba4daced4d430f0fc37b153fceb84342202ea14f3fbc107b864","isrc":"USUM72308126","name":"Shot Off Gumbo (feat. YTB Fatt & Fat Wizza)","registered_at":"2026-06-04T10:13:55Z","spotify_id":"0t9y4z9n3BOjRJvOx5fZHa","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3cac0f97a8f72ba4daced4d430f0fc37b153fceb84342202ea14f3fbc107b864. 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/0t9y4z9n3BOjRJvOx5fZHa.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/0t9y4z9n3BOjRJvOx5fZHa.
{"copyright_id":"0x4d7925f10b3d5f9138cce2538f1bdc1286faef5dbdec0ef98989710c3fcdf621","isrc":"USUM72308124","name":"Rock Out (feat. Lil Durk x YTB Fatt)","registered_at":"2026-06-04T11:49:54Z","spotify_id":"0T59uqNdyKPnaexcD42dcN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d7925f10b3d5f9138cce2538f1bdc1286faef5dbdec0ef98989710c3fcdf621. 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/0T59uqNdyKPnaexcD42dcN.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/0T59uqNdyKPnaexcD42dcN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9f8d7015c6e2b8dd51bf8c7784fc26b7f0399b32179ad67466caf564953c90b. 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/5ttkrUmHsLQw25oJzfCebX.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/5ttkrUmHsLQw25oJzfCebX.
{"copyright_id":"0xbbeac0a57c485c9e9e5fac3c3a06beb338d62274b3b7ea75d9d4971c8ba2d708","isrc":"QZJ842004156","name":"Snail Shells","registered_at":"2026-06-05T17:19:38Z","spotify_id":"5KfKTVs63ZZjLepWtTlEot","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbeac0a57c485c9e9e5fac3c3a06beb338d62274b3b7ea75d9d4971c8ba2d708. 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/5KfKTVs63ZZjLepWtTlEot.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/5KfKTVs63ZZjLepWtTlEot.
{"copyright_id":"0xd3fa9deb53761d1e86f62dffd652f99c57463fcf0d89796db1ea5293592a168a","isrc":"USUM72314239","name":"4 Dat Money (Lil Poppa, YTB Fatt)","registered_at":"2026-06-08T18:57:42Z","spotify_id":"4QNlx3HfMOf92EJAnD67wY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3fa9deb53761d1e86f62dffd652f99c57463fcf0d89796db1ea5293592a168a. 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/4QNlx3HfMOf92EJAnD67wY.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/4QNlx3HfMOf92EJAnD67wY.
{"copyright_id":"0x58448ea2f2e5122a4750e1b4ff2e460cc11e76ce2f7b464a9cad0a12fb1f28a1","isrc":"USLUU2300852","name":"Nothin Bout Nothin","registered_at":"2026-06-09T07:14:18Z","spotify_id":"0gKjbgO1EB338QrMHJg9Us","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58448ea2f2e5122a4750e1b4ff2e460cc11e76ce2f7b464a9cad0a12fb1f28a1. 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/0gKjbgO1EB338QrMHJg9Us.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/0gKjbgO1EB338QrMHJg9Us.
{"copyright_id":"0xd3fa9deb53761d1e86f62dffd652f99c57463fcf0d89796db1ea5293592a168a","isrc":"USUM72314239","name":"4 Dat Money (Lil Poppa, YTB Fatt)","registered_at":"2026-06-08T18:57:42Z","spotify_id":"0BGiyEa8vNNIhN8jV48pUg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3fa9deb53761d1e86f62dffd652f99c57463fcf0d89796db1ea5293592a168a. 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/0BGiyEa8vNNIhN8jV48pUg.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/0BGiyEa8vNNIhN8jV48pUg.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x924c1753f4c27b31987290a66860c628b62b902e3adc6893c4e6d6a7cb58f2ce. 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/2sD23wzyaLLtXm7qy7PxzR.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/2sD23wzyaLLtXm7qy7PxzR.
{"copyright_id":"0xdc9bbf440c64b8b4e6528330e8f3ea9049637006c4211011f58ca30b0ee42bce","isrc":"QZ4JX2361616","name":"Come Outside (feat. YTB Fatt)","registered_at":"2026-06-06T23:15:47Z","spotify_id":"1fxlHuMfJPa0de1WJHOwBf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc9bbf440c64b8b4e6528330e8f3ea9049637006c4211011f58ca30b0ee42bce. 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/1fxlHuMfJPa0de1WJHOwBf.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/1fxlHuMfJPa0de1WJHOwBf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc9bbf440c64b8b4e6528330e8f3ea9049637006c4211011f58ca30b0ee42bce. 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/2fQRrVe43e39s1cwvkN2e1.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/2fQRrVe43e39s1cwvkN2e1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2732cbd1de83417223f96b7cda2ed0897931d7739629a957caf51473d7eb35ba. 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/7mhFwoAU7s021w2sIzmZSY.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/7mhFwoAU7s021w2sIzmZSY.
{"copyright_id":"0xc65ae11879ba8973a9c9be89964dd4413de30bd270a8914a7ee6b39d8353aef5","isrc":"USA2P2319869","name":"Shake Sum (with YTB Fatt)","registered_at":"2026-06-07T01:31:12Z","spotify_id":"5hblZ6z08IgO2Qj9MlRmPh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc65ae11879ba8973a9c9be89964dd4413de30bd270a8914a7ee6b39d8353aef5. 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/5hblZ6z08IgO2Qj9MlRmPh.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/5hblZ6z08IgO2Qj9MlRmPh.
{"copyright_id":"0xc65ae11879ba8973a9c9be89964dd4413de30bd270a8914a7ee6b39d8353aef5","isrc":"USA2P2319869","name":"Shake Sum (with YTB Fatt)","registered_at":"2026-06-07T01:31:12Z","spotify_id":"5CdcyZVZpqDofmBgtIifa1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc65ae11879ba8973a9c9be89964dd4413de30bd270a8914a7ee6b39d8353aef5. 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/5CdcyZVZpqDofmBgtIifa1.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/5CdcyZVZpqDofmBgtIifa1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e4975c3926960dd2263efb1139e87b0999367290f9743eb2f2c3d35964d62dd. 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/50wbiudi1Y2bdwMsF0m4Ny.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/50wbiudi1Y2bdwMsF0m4Ny.
{"copyright_id":"0x09954ac6402fdc09bdc0f476ece30f47f04af4aa14d18a3847f457ae97fe3604","isrc":"USUM72314331","name":"Gumbo Mix (with YTB Fatt)","registered_at":"2026-06-07T18:07:54Z","spotify_id":"6Ir8jlNR8bBTg9tKIaSDhW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09954ac6402fdc09bdc0f476ece30f47f04af4aa14d18a3847f457ae97fe3604. 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/6Ir8jlNR8bBTg9tKIaSDhW.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/6Ir8jlNR8bBTg9tKIaSDhW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18e9c1f7b66a029df5595041ac233d4863162c24991877310f7a23db482111fd. 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/6POXO9CO9Vzzza2DNAlSIC.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/6POXO9CO9Vzzza2DNAlSIC.