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 0x2196034de8b720780866b459bae8c9bc5b67579c4fade2d37dbb31d14a5ece11. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/64767cf1-7e45-4150-a607-45837cb2b17f.json and https://artists.proofprofile.net/proofs/artist/64767cf1-7e45-4150-a607-45837cb2b17f.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 0xc245965d08a616ad3c58841321819be58697cd1a19c6c3520d9aa66fb95b3a0e. 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/5UW0hgFxu21c0tMML4ejXd.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/5UW0hgFxu21c0tMML4ejXd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x763d3988eb13988789754c412d38a486274f54c7c9ac084912328d7d47b717d9. 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/1dksdH6TQSxnraHD30d4dz.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/1dksdH6TQSxnraHD30d4dz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85d23bbbba15247c9d2a768ba811592e1f14428021e8f89e21c3710f100d8de6. 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/4wehyOrIEjpe7IvP53z4y6.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/4wehyOrIEjpe7IvP53z4y6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62674e709fb541ba34b400494b8abb6df8117dc10a7935d7ad79c3da52a3ae43. 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/0thHyQKIJGltgSkmLYqsu7.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/0thHyQKIJGltgSkmLYqsu7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70d93ee0c8e38acc8952fd0cc234958d578cf870cccfc4d084362fa1b7ba87b6. 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/5Q3R4eb0Ee3XjqUYDsmc1B.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/5Q3R4eb0Ee3XjqUYDsmc1B.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9cb22259eaeff8f1a640c279d4551c987620ac46885e98d1ee948808e25550d. 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/76vW5LTeqTcCLwJh3fEQfe.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/76vW5LTeqTcCLwJh3fEQfe.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x332d08d326396b34b0986f5ff677fa6ea79a38880d53b02e344cf9c1d4b3f445. 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/3ERRlc9Hreqecr29G20peW.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/3ERRlc9Hreqecr29G20peW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2179127ebe41ec8f1139d4c784014ffb0d422941c31a6836c6a678c4285a0869. 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/5xcvAQOZaw2WpJkf85kvKq.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/5xcvAQOZaw2WpJkf85kvKq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb78668fe44108e5966dd517d9e8a059f3d828aa76401b62ec41b4594cfa48617. 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/5KIFFTaX7yUOzbNQD18Nj8.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/5KIFFTaX7yUOzbNQD18Nj8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x986e363a8549d5939eb90597e78a0f95f77a00b7236c77e47ca9d206488d4c37. 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/430RPEf2sTLVwdzjjFu7Hk.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/430RPEf2sTLVwdzjjFu7Hk.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32af10d8e820fde186d77bfadf9faed0c144efd4939b974e007583952ce5ce7f. 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/53IoM2JTwEAXXkfjXfH8IR.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/53IoM2JTwEAXXkfjXfH8IR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45df9f6b8277d5751e746d549e3578daf3f5025af005d1c5ce2cf2878b8bb915. 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/42BuAGlNkHC7Wm6vyMZRTP.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/42BuAGlNkHC7Wm6vyMZRTP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24995e5e58fe88c0e41efc9ef32ca1ff224e5919275b2b24c3e698f3280b849f. 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/3yme5DDrEYbupV8KWx0TmG.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/3yme5DDrEYbupV8KWx0TmG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c0d2f61fbe26b847bc9c61819b4dc7c57d6c19a9f9548ea4906a6722948bcb1. 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/2rnoG4h7aipxHMXDYeHSli.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/2rnoG4h7aipxHMXDYeHSli.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x947583a8a9226f9e54ed48db5ea15f0077daa13ee29b27dc179f6a545c92d88f. 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/7rAc89BPKlB2JYwB0aEx69.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/7rAc89BPKlB2JYwB0aEx69.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c2ee9be8ad35dafc19b7219a752a36bb2e7eadb1ef8e814fffe63a943bf7291. 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/03OeNAtCG0dOi8BnY7LBOs.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/03OeNAtCG0dOi8BnY7LBOs.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc13b58f26ae506dc3a642401a7dd466bee5b051293a27e04df9769146712b73a. 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/4MAoHMmza54FCUrQU14Cus.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/4MAoHMmza54FCUrQU14Cus.
{"copyright_id":"0xb0e0a993af5dab05ca9e94194de0d0d20b1419c8e6867cb54522a7f3178f2007","isrc":"TCACG1502351","name":"Believe Me (feat. Complexion)","registered_at":"2026-06-09T06:17:08Z","spotify_id":"47HUtGDymZ9ahMxGMW2agu","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0e0a993af5dab05ca9e94194de0d0d20b1419c8e6867cb54522a7f3178f2007. 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/47HUtGDymZ9ahMxGMW2agu.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/47HUtGDymZ9ahMxGMW2agu.
{"copyright_id":"0xa1b2ca9c396e030513f195f8fcb2e24a51c872c3ad7d5add25e120d1025be5f3","isrc":"TCACG1502189","name":"Being Human (feat. Mona Moua)","registered_at":"2026-06-08T02:13:32Z","spotify_id":"1eA2dfhwvW4Qi2MmhwCwda","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1b2ca9c396e030513f195f8fcb2e24a51c872c3ad7d5add25e120d1025be5f3. 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/1eA2dfhwvW4Qi2MmhwCwda.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/1eA2dfhwvW4Qi2MmhwCwda.
{"copyright_id":"0xb6ce58b707fafe55a1c11929415ba7221bda63c1172e142210ec2902b261f200","isrc":"TCACE1550711","name":"My Love Is a Weapon (feat. Delacey)","registered_at":"2026-06-06T16:14:22Z","spotify_id":"4dhCI327FFSWFYuU5uwqEe","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6ce58b707fafe55a1c11929415ba7221bda63c1172e142210ec2902b261f200. 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/4dhCI327FFSWFYuU5uwqEe.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/4dhCI327FFSWFYuU5uwqEe.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52bab0c8af055c94681f4a90a7307eb148680008fb4a5e87aadfd60f2e64f6b8. 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/0rVjpoL6HBCpV456V2qoEC.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/0rVjpoL6HBCpV456V2qoEC.
{"copyright_id":"0x555f09b8a1a55c7d42ad1e6aa97ddaee7abc2e14bf1d5d2722489a4f896e1551","isrc":"TCABZ1499104","name":"Hidden (feat. Mona Moua)","registered_at":"2026-06-07T06:35:39Z","spotify_id":"3wFw7cWZTgfLBYalXFZQji","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x555f09b8a1a55c7d42ad1e6aa97ddaee7abc2e14bf1d5d2722489a4f896e1551. 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/3wFw7cWZTgfLBYalXFZQji.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/3wFw7cWZTgfLBYalXFZQji.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88de784fd503d957a21e681b5435ede7789713c510687a992af42de464a731ae. 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/2qLombEz1BCvY1AiO5ZiLV.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/2qLombEz1BCvY1AiO5ZiLV.
{"copyright_id":"0x7b98b6ed7bdb86bc99a332c292fb927094d0f388c10e0f1191c4c41114b520aa","isrc":"TCABZ1417426","name":"Infinite (feat. Anna Yvette)","registered_at":"2026-06-07T18:59:21Z","spotify_id":"27gvlSwWEjG3VHM7qRrWwA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b98b6ed7bdb86bc99a332c292fb927094d0f388c10e0f1191c4c41114b520aa. 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/27gvlSwWEjG3VHM7qRrWwA.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/27gvlSwWEjG3VHM7qRrWwA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6f00826faf57573705e85b68cb590e06b9a03fad5b99e0773a3bf9499242a52. 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/6ZC5PETtJSkNZoPCttCNdk.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/6ZC5PETtJSkNZoPCttCNdk.