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 0xda9da30d5cfc9583b2a01bf508a91a56abb82d9644dcf5d04016e26e1492229b. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/363b8af4-df77-4cc4-a01c-57f19ecd0b11.json and https://artists.proofprofile.net/proofs/artist/363b8af4-df77-4cc4-a01c-57f19ecd0b11.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x358621000ff21c9925ca8edc4bf7ece586a43991412bbb786d2cc9ed64ee408b","isrc":"QZMZ92126497","name":"Voy por Todo","registered_at":"2026-06-21T09:02:29Z","spotify_id":"6ehGTMuAwacUSpOuoHaJg3","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 0x358621000ff21c9925ca8edc4bf7ece586a43991412bbb786d2cc9ed64ee408b. 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/6ehGTMuAwacUSpOuoHaJg3.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/6ehGTMuAwacUSpOuoHaJg3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f772e90d92ffa03d078bf71b5f66be4ec3406e05ff29db8243a3645b8682424. 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/6FITNlNL1WhOxdLKomRn1P.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/6FITNlNL1WhOxdLKomRn1P.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa38203ca26212619399f9a2b7a67e03c746f1bbc0d702504e293044c5fb4a806. 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/027QEFDazeb6R0lj4uHKe8.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/027QEFDazeb6R0lj4uHKe8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x276249c1ab77b3dc5f96f8cfba8070fdec488e7baa1287d6f2681df3ac40f05b. 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/4kLaekW94ktfyXMX2Q7PQN.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/4kLaekW94ktfyXMX2Q7PQN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5bf4041f498d3d717087ddf7b3ac1d3613f63be8996906ed627e8b8bb793e35. 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/3fKvOGmBDyllKHNgRJ02JJ.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/3fKvOGmBDyllKHNgRJ02JJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25960bc59f735bd7b2f4c376f5edb6a5e22809326384f12e29fee24bd417e01d. 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/5s1e90WidKaliRhhS7tv4V.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/5s1e90WidKaliRhhS7tv4V.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0ea86afbffc7414dcb0a19adc4cba850a72bb259389fc285bec3c792898624f. 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/6XGXOccR6u9DeOe2rYceo7.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/6XGXOccR6u9DeOe2rYceo7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf793c06b8f49edec1d71c15768ae7108ed03a6f3ef6fe68846a42a356ffd39bf. 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/7Cae3bx19bxDfogYyTxxGt.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/7Cae3bx19bxDfogYyTxxGt.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf041aea03c521b5a4b1b338b3fb72f096938becfcb180a444ee7807669f48705. 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/3snVcbvYxmwJjbEZjeVgjt.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/3snVcbvYxmwJjbEZjeVgjt.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcdf880cd4861bcb2383335b389a6dc3b4440209fe0d14d5029f791ff82081fa4. 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/5gWdukxpLzjO12YZYTE3Xc.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/5gWdukxpLzjO12YZYTE3Xc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b1ac370318b3237574da35583276cb14a2e1d8e7eae6861020e3b59b6f02d9b. 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/1lEmKAkNIBWnSUP9HAs8JB.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/1lEmKAkNIBWnSUP9HAs8JB.
Todo Lo Que Diga Puede Ser Usado en Mi Contra
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf010bc4b59fde949135e796c959c88a9e3c49ddddd4711044873a62d779fac82. 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/492lBTmnDh4gOvn0cqVR3I.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/492lBTmnDh4gOvn0cqVR3I.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf16a255f6ebfde5d167d5a70741bc5ad21aa04835eea9e8e93956e1263fe6c6b. 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/0o0XGYsKQSE4FyT67VtLgy.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/0o0XGYsKQSE4FyT67VtLgy.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x326460a14cbc82b13e8a029195fa3c03e37f6e7cba264614068b9fa1a0b7e7b4. 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/2Yrppshjo7Kq9qRIq9NAhW.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/2Yrppshjo7Kq9qRIq9NAhW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x706f729b3e356639a138dc68933afefa1046fbd760bd68e3fe61a8b12fb9a2b9. 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/1T3DEPayay4a1w63xVcTtK.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/1T3DEPayay4a1w63xVcTtK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3b3517ca19015327e638b2c69b3f025999842b04f4cffa1c9845b27b3cb0935. 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/37OAvRLWwVsrHoogtvhmHG.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/37OAvRLWwVsrHoogtvhmHG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21a5a4100c769eda823ae866e15d1d027b125721d95a4551063ab0584d01427b. 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/3z3Pl9O6PQiPa0GK3Zs1Kl.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/3z3Pl9O6PQiPa0GK3Zs1Kl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa287e57089c8ff66fd8eecf7b99316e618e2723c45c9c923b5c32798cc2ae4b8. 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/7omFCqp5lfgxLGHt6tMAo5.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/7omFCqp5lfgxLGHt6tMAo5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd75223eb76186453bcdaec12d9b915807080af426c090f3e23cde1c64bc7ef2. 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/3SJaFFfb06cqrP4Vm7cSNC.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/3SJaFFfb06cqrP4Vm7cSNC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8b5c3e3b07e13932a47d4d96cf6637799392568241b6f245066fb17b0552d5c. 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/1ObsEcgf8qklmH9hPVf81k.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/1ObsEcgf8qklmH9hPVf81k.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21a5a4100c769eda823ae866e15d1d027b125721d95a4551063ab0584d01427b. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/53JRcS6TCXonYRzVKqHrzv.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/53JRcS6TCXonYRzVKqHrzv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a870874f8891657626fac2e65ff8ead1ced663164a71452cb5e4637e87eff27. 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/5syNlFK2KfaijGSmm0KNo0.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/5syNlFK2KfaijGSmm0KNo0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1082afcc23766465ce3b05b90852409a8a19b4ba15945c0891e0c1697dc6a26. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T20:31:42Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5SnOkDtmkMDyEFzKd3E8mG.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/5SnOkDtmkMDyEFzKd3E8mG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x882176c3eb89b2563e7ef7f106fae6cc735ea08bbb57212d73a757bfbe6f7e75. 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/1b7o0p8p7FSjl5Qnjb8CFM.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/1b7o0p8p7FSjl5Qnjb8CFM.
{"copyright_id":"0x1f4f5a82d940aa89aab5dd9b3d67ab72bbf0812bd1fc4521fd28fc69ac031055","isrc":"QZNJZ2374834","name":"Con un Micro y un Papel","registered_at":"2026-06-11T17:37:37Z","spotify_id":"4CLzN5MVtmzKYhBXfuktEl","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f4f5a82d940aa89aab5dd9b3d67ab72bbf0812bd1fc4521fd28fc69ac031055. 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/4CLzN5MVtmzKYhBXfuktEl.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/4CLzN5MVtmzKYhBXfuktEl.
{"copyright_id":"0x1e1009cb82803a4ae1536288d21cff5f0cd51eeeafa58b760fb903ad90c246af","isrc":"QZANL1750757","name":"Escribo en Paz","registered_at":"2026-06-26T01:52:54Z","spotify_id":"6AeZ45J7jvkruxeTIRr4ty","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e1009cb82803a4ae1536288d21cff5f0cd51eeeafa58b760fb903ad90c246af. 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/6AeZ45J7jvkruxeTIRr4ty.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/6AeZ45J7jvkruxeTIRr4ty.