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 0x05ea21343e0264bb2a261ef686bcf76a9e24b0bdfeddca4c3ad80f8355f8cdbd. 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/f2aa6e3e-ecfa-4217-b21e-388ce1d614f5.json and https://artists.proofprofile.net/proofs/artist/f2aa6e3e-ecfa-4217-b21e-388ce1d614f5.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 0xae2d6108970e92f1ec72f478f9b24497258bca718c175cf9dcb345ae6933dbbd. 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/7x5u4be4YDbkD31q3tNj2u.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/7x5u4be4YDbkD31q3tNj2u.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e91649726011d0b2a38982b20b57f3ec29f64a3293a0e4712f21eede0e880ac. 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/6C70XHn1UHpv9RP9jEz2Pv.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/6C70XHn1UHpv9RP9jEz2Pv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcdd4d1d92f5fc90fef2810f05baecfcf7a70cdaccb0614ebad1c8adb1cd77c4f. 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/2rMVK8xERipNr46H0eHhW5.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/2rMVK8xERipNr46H0eHhW5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x067cb29688582446846e76715a29f6783f2a7179ff18b1ab57cc277eeffd9b3c. 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/3LV2Td78RaerjHlwopBVV3.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/3LV2Td78RaerjHlwopBVV3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f642c8be187ca0fc0c3cc62cc24bf5d1f05c57d4a2a1de8cfba55ab16eea649. 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/0yMDYH2lkJ9KEfHJ446mRB.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/0yMDYH2lkJ9KEfHJ446mRB.
Wrong One (GloRilla, Gloss Up, Slimeroni feat. K Carbon, Aleza, Tay Keith)
{"copyright_id":"0x830d1e2232286f69861f18dcd77bc84a1a5caa55ab7d30a107cb5db6e4fbda49","isrc":"USUM72312951","name":"Wrong One (GloRilla, Gloss Up, Slimeroni feat. K Carbon, Aleza, Tay Keith)","registered_at":"2026-06-04T10:38:12Z","spotify_id":"5QashJL2US3XEfkJk1q74y","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x830d1e2232286f69861f18dcd77bc84a1a5caa55ab7d30a107cb5db6e4fbda49. 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/5QashJL2US3XEfkJk1q74y.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/5QashJL2US3XEfkJk1q74y.
Eeny Meeny Miny Moe (feat. K Carbon, Aleza, and Slimeroni)
{"copyright_id":"0xed1dbcd601d2fdd8667ee7aa5bb97566f5f95380cb284459afc45cab2f8b1192","isrc":"QZ4JX1761669","name":"Eeny Meeny Miny Moe (feat. K Carbon, Aleza, and Slimeroni)","registered_at":"2026-06-10T05:51:43Z","spotify_id":"5iuKuodVg5OG4HFlgt7toU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed1dbcd601d2fdd8667ee7aa5bb97566f5f95380cb284459afc45cab2f8b1192. 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/5iuKuodVg5OG4HFlgt7toU.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/5iuKuodVg5OG4HFlgt7toU.
{"copyright_id":"0x830d1e2232286f69861f18dcd77bc84a1a5caa55ab7d30a107cb5db6e4fbda49","isrc":"USUM72312951","name":"Wrong One (GloRilla, Gloss Up, Slimeroni feat. K Carbon, Aleza, Tay Keith)","registered_at":"2026-06-04T10:38:12Z","spotify_id":"0qv26vj9mgQh6sBA3iS2Qf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x830d1e2232286f69861f18dcd77bc84a1a5caa55ab7d30a107cb5db6e4fbda49. 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/0qv26vj9mgQh6sBA3iS2Qf.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/0qv26vj9mgQh6sBA3iS2Qf.
Mention Me (feat. Slimeroni, Aleza, and K Carbon)
{"copyright_id":"0x1f3de2f11151eeb61b3e1d01e692b0a7b99a560e3032f37d59a9d18d4e77362f","isrc":"QZ4JX2361684","name":"Mention Me (feat. Slimeroni, Aleza, and K Carbon)","registered_at":"2026-06-25T09:55:58Z","spotify_id":"30wOLWTfZl6tGDvLQYB6Wv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f3de2f11151eeb61b3e1d01e692b0a7b99a560e3032f37d59a9d18d4e77362f. 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/30wOLWTfZl6tGDvLQYB6Wv.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/30wOLWTfZl6tGDvLQYB6Wv.
25 Days of Christmas (feat. K Carbon, Slimeroni, and Aleza)
Wrong One (with Gloss Up & Slimeroni feat. K Carbon, Aleza, Tay Keith)
{"copyright_id":"0x830d1e2232286f69861f18dcd77bc84a1a5caa55ab7d30a107cb5db6e4fbda49","isrc":"USUM72312951","name":"Wrong One (with Gloss Up & Slimeroni feat. K Carbon, Aleza, Tay Keith)","registered_at":"2026-06-04T10:38:12Z","spotify_id":"52WoZbGVLrEW0w6AGT9wNS","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x830d1e2232286f69861f18dcd77bc84a1a5caa55ab7d30a107cb5db6e4fbda49. 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/52WoZbGVLrEW0w6AGT9wNS.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/52WoZbGVLrEW0w6AGT9wNS.
{"copyright_id":"0xc8bdd3f037f05cfec39a7a5c6c10f6b1bafb3bf37489423e5a449c2e5100928c","isrc":"QZRD92302793","name":"Shabooya - Remix","registered_at":"2026-06-09T09:37:08Z","spotify_id":"6wSX2NkwA8srMaRhkougg1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8bdd3f037f05cfec39a7a5c6c10f6b1bafb3bf37489423e5a449c2e5100928c. 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/6wSX2NkwA8srMaRhkougg1.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/6wSX2NkwA8srMaRhkougg1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x282b76f6f02815cb07512b5d34368c0a326fab2facbe72b5acaef7792276c7a7. 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/6PphODv2LB2b9BWK9lhWuY.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/6PphODv2LB2b9BWK9lhWuY.
{"copyright_id":"0xae2d6108970e92f1ec72f478f9b24497258bca718c175cf9dcb345ae6933dbbd","isrc":"QZRD92202355","name":"You The Type","registered_at":"2026-06-10T19:51:10Z","spotify_id":"5Mqz0TbQZhwLIOZmdmCEnA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae2d6108970e92f1ec72f478f9b24497258bca718c175cf9dcb345ae6933dbbd. 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/5Mqz0TbQZhwLIOZmdmCEnA.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/5Mqz0TbQZhwLIOZmdmCEnA.
{"copyright_id":"0x28df8eeb12fe8aac5f2f18b5cb9913f0a51d0e8107fd41ae0467c730ea3dd45b","isrc":"QZRD92303598","name":"Not Average","registered_at":"2026-06-27T10:29:10Z","spotify_id":"2EuZxv0JKvU47cBzOcL2gs","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28df8eeb12fe8aac5f2f18b5cb9913f0a51d0e8107fd41ae0467c730ea3dd45b. 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/2EuZxv0JKvU47cBzOcL2gs.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/2EuZxv0JKvU47cBzOcL2gs.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6322877151e070ec0114274c915a58bf1bad95d7f89f038df48669184cc9597. 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/3bjgZpTk0r6igeNHuCLYlT.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/3bjgZpTk0r6igeNHuCLYlT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x282b76f6f02815cb07512b5d34368c0a326fab2facbe72b5acaef7792276c7a7. 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/3qmonuxz1Q8dj8rZCyYkTz.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/3qmonuxz1Q8dj8rZCyYkTz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6227def4ec592a267b09fb28290d8581971229b7f8b2e87b5fccd41c25da7264. 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/2QVQJ1Qd1TQon7LseyCv1x.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/2QVQJ1Qd1TQon7LseyCv1x.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x594628d1e9bc7c8c67a2558a83f573c9700fb78249016cbcffbead75f9f29a67. 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/6ALJHnc8un3uhkpzSIOj2J.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/6ALJHnc8un3uhkpzSIOj2J.
{"copyright_id":"0xc8bdd3f037f05cfec39a7a5c6c10f6b1bafb3bf37489423e5a449c2e5100928c","isrc":"QZRD92302793","name":"Shabooya - Remix","registered_at":"2026-06-09T09:37:08Z","spotify_id":"6bJEmq7GsC2XPKcQzQiFCB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8bdd3f037f05cfec39a7a5c6c10f6b1bafb3bf37489423e5a449c2e5100928c. 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/6bJEmq7GsC2XPKcQzQiFCB.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/6bJEmq7GsC2XPKcQzQiFCB.
{"copyright_id":"0x28df8eeb12fe8aac5f2f18b5cb9913f0a51d0e8107fd41ae0467c730ea3dd45b","isrc":"QZRD92303598","name":"Not Average","registered_at":"2026-06-27T10:29:10Z","spotify_id":"5c17nOEQCoClTIxTZW3PQZ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28df8eeb12fe8aac5f2f18b5cb9913f0a51d0e8107fd41ae0467c730ea3dd45b. 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/5c17nOEQCoClTIxTZW3PQZ.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/5c17nOEQCoClTIxTZW3PQZ.