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 0xe2b87fa0ef32602c44bbc4fdef513ab1cbbb1688b798b5e7f42cc3d25755c189. 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/7a125b0a-ceb3-4b8f-9842-9dd865e1594e.json and https://artists.proofprofile.net/proofs/artist/7a125b0a-ceb3-4b8f-9842-9dd865e1594e.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 0x794007f053ede00040f6c78ed213841fbf9dbd396a5a4304b7cea26ea3024107. 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/0E9M1YDzuSKcjEqcJza3YU.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/0E9M1YDzuSKcjEqcJza3YU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc75687f4402f60d48a71a4d7a42b3183657ac09c57985787a067e07baa25394d. 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/5yqKUU2DUyilP2TvOrjEzT.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/5yqKUU2DUyilP2TvOrjEzT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e9539fa223e6740d7743bab68bb65ded8f3d5d5c12b2040d107c60c5a424902. 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/1taGiVxLW3rzZ0T5TyUrws.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/1taGiVxLW3rzZ0T5TyUrws.
Terminally Ill (feat. Tech N9ne, KXNG Crooked, Chino XL, Rittz & DJ Statik Selektah)
{"copyright_id":"0x2426ad1dda3c8c7354894d80d68048876d3a9befbe6364649b134f9938833207","isrc":"USZEG1800006","name":"Terminally Ill (feat. Tech N9ne, KXNG Crooked, Chino XL, Rittz & DJ Statik Selektah)","registered_at":"2026-06-07T12:43:37Z","spotify_id":"3P5iaWQTvvdeMB2SsZaHii","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2426ad1dda3c8c7354894d80d68048876d3a9befbe6364649b134f9938833207. 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/3P5iaWQTvvdeMB2SsZaHii.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/3P5iaWQTvvdeMB2SsZaHii.
Zombie (feat. Tech N9ne & Brotha Lynch Hung)
The Block Brochure: Welcome To The Soil 2
{"copyright_id":"0x6669705e32345b78a4d84102980e44c0676c4c6dffe6542bf0935aa02b4cfbbe","isrc":"US4KV1200052","name":"Zombie (feat. Tech N9ne & Brotha Lynch Hung)","registered_at":"2026-06-06T17:09:40Z","spotify_id":"08yQRRz4xUUSK9gHgsPocT","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6669705e32345b78a4d84102980e44c0676c4c6dffe6542bf0935aa02b4cfbbe. 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/08yQRRz4xUUSK9gHgsPocT.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/08yQRRz4xUUSK9gHgsPocT.
{"copyright_id":"0xb565e5c9b08eab77b0f1008b610012fcb4504d604964059a97245f8e3dfbf2c0","isrc":"US4KV1100028","name":"Fried (feat. Tech N9ne & Marty James)","registered_at":"2026-06-18T15:37:18Z","spotify_id":"3raAY8SMrCb8feaqC2cpfb","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb565e5c9b08eab77b0f1008b610012fcb4504d604964059a97245f8e3dfbf2c0. 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/3raAY8SMrCb8feaqC2cpfb.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/3raAY8SMrCb8feaqC2cpfb.
{"copyright_id":"0xbea8a11a38a4a67df8023fd390deea70fe41fa51f16e68dd843ffbe109690070","isrc":"US4KV1200050","name":"Scorpio (feat. Tech N9ne & London)","registered_at":"2026-06-23T04:51:26Z","spotify_id":"2LdtUZ7h5YIIIFaB8sLvBB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbea8a11a38a4a67df8023fd390deea70fe41fa51f16e68dd843ffbe109690070. 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/2LdtUZ7h5YIIIFaB8sLvBB.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/2LdtUZ7h5YIIIFaB8sLvBB.
Strangeulation Vol. II Cypher II (feat. Ces Cru, Stevie Stone)
{"copyright_id":"0x3cb678bf920fc59d8366f6fbd723744d0a23fb70f5543a9bd4defc81c6b05fa9","isrc":"USZHR1500161","name":"Strangeulation Vol. II Cypher II (feat. Ces Cru, Stevie Stone)","registered_at":"2026-06-07T00:18:19Z","spotify_id":"7FOUn2DofXB3rVkxBfUGQ4","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3cb678bf920fc59d8366f6fbd723744d0a23fb70f5543a9bd4defc81c6b05fa9. 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/7FOUn2DofXB3rVkxBfUGQ4.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/7FOUn2DofXB3rVkxBfUGQ4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb59ad1856bf23238b35316c1b42b6ea0476654816ec0ca7a1e01e23281f9e827. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0hPADy74elvbqlphjRitej.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/0hPADy74elvbqlphjRitej.
The Block Brochure: Welcome To The Soil (Parts 1, 2 & 3)
{"copyright_id":"0x39aea0c21fa3dd0878405aef687fa0b6c0651e8686674f0197c0a75e6df38b44","isrc":"USZHR1500169","name":"Real With Yourself (feat. Tech N9ne)","registered_at":"2026-06-20T05:46:57Z","spotify_id":"5dKUmG7WvPkNe2WC94PBdP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39aea0c21fa3dd0878405aef687fa0b6c0651e8686674f0197c0a75e6df38b44. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5dKUmG7WvPkNe2WC94PBdP.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/5dKUmG7WvPkNe2WC94PBdP.
{"copyright_id":"0xbea8a11a38a4a67df8023fd390deea70fe41fa51f16e68dd843ffbe109690070","isrc":"US4KV1200050","name":"Scorpio (feat. Tech N9ne & London)","registered_at":"2026-06-23T04:51:26Z","spotify_id":"7yHilrG9plOfGJZ0EFeN51","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbea8a11a38a4a67df8023fd390deea70fe41fa51f16e68dd843ffbe109690070. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7yHilrG9plOfGJZ0EFeN51.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/7yHilrG9plOfGJZ0EFeN51.
Give The Drummer Some (Explicit Version)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6dfc32d7379399028b5d04e31d3475aabc007851deed6b824a314e9b38db3e64. 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/2nNlsrwvgOvjmgZEHecHE3.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/2nNlsrwvgOvjmgZEHecHE3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6dfc32d7379399028b5d04e31d3475aabc007851deed6b824a314e9b38db3e64. 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/2rPkYZ2YCQzT0RX2gL81QX.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/2rPkYZ2YCQzT0RX2gL81QX.
{"copyright_id":"0x114adf7c2ce570e7563f0659eb81fa2fc99a741cbf8d4a41c1ce333d5b3dc792","isrc":"QZ2D51900001","name":"Monica (feat. Tech N9ne)","registered_at":"2026-06-05T05:57:54Z","spotify_id":"3UFyRXMeiU2NTiMlBe8RoV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x114adf7c2ce570e7563f0659eb81fa2fc99a741cbf8d4a41c1ce333d5b3dc792. 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/3UFyRXMeiU2NTiMlBe8RoV.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/3UFyRXMeiU2NTiMlBe8RoV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e9539fa223e6740d7743bab68bb65ded8f3d5d5c12b2040d107c60c5a424902. 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/5buzsuFnusOQ5CNvG0v4B4.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/5buzsuFnusOQ5CNvG0v4B4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d7207fe5c0afd9feb9f3927ba228f1b122e5cbaef9b0931dfcfd83c34b0b22b. 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/6q8anjp007SWwvOds4D0nm.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/6q8anjp007SWwvOds4D0nm.
{"copyright_id":"0x8cd14c3e92059dc3d9f07d70b414fbd7218b3546843f4b8637608f8cb9c3b0d1","isrc":"CA5KR2129635","name":"Insane - Kai Wachi Remix","registered_at":"2026-06-06T10:33:53Z","spotify_id":"5uZJVHjv2Kgc0QXFwSu5Xe","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8cd14c3e92059dc3d9f07d70b414fbd7218b3546843f4b8637608f8cb9c3b0d1. 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/5uZJVHjv2Kgc0QXFwSu5Xe.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/5uZJVHjv2Kgc0QXFwSu5Xe.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf985acb4dd11779d070653b22d18ded399c403686922976defdcafdf3665a67. 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/4ntIKaJ28vOa71fr8Wiohe.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/4ntIKaJ28vOa71fr8Wiohe.