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 0x14366d286c5dd91a35a07153151d156944b0a4a73aaf7b0f9f9ae3762695959d. 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/6de7c7a7-cc2e-4486-a6d9-e0ed53d9d50e.json and https://artists.proofprofile.net/proofs/artist/6de7c7a7-cc2e-4486-a6d9-e0ed53d9d50e.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 0xf59f9c0523e49cef3a06b9869585cd928033195103dd3c295e3f2dee15fd0000. 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/264T5yLBd86xGUtVG277o9.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/264T5yLBd86xGUtVG277o9.
Hidden Cost (Inspired by 'The Outlaw Ocean' a book by Ian Urbina)
Hidden Cost (Inspired by ‘The Outlaw Ocean’ a book by Ian Urbina)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23ba85f8347326d24c7c7bdbf3c1ed92ffed2151b349b667b7f6acb2d9106a34. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4PkqYfR5Z1So9tWexu6uhz.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/4PkqYfR5Z1So9tWexu6uhz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a52b19ee5d42aee770ffe2e44f167ff78c93c1fc02d38043ffd5b13f348358b. 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/43nrOpUCbmcV3QYgk4juNp.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/43nrOpUCbmcV3QYgk4juNp.
{"copyright_id":"0x2aaea0a7f5d6b49c0452189a36a2e9dfa3e626b17ff24b061da7d462d4ce8053","isrc":"PLF242211698","name":"Starsi Panowie","registered_at":"2026-06-20T09:46:11Z","spotify_id":"0sLzKAQtgbpTTiOFDAKpvW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2aaea0a7f5d6b49c0452189a36a2e9dfa3e626b17ff24b061da7d462d4ce8053. 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/0sLzKAQtgbpTTiOFDAKpvW.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/0sLzKAQtgbpTTiOFDAKpvW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4683e067cacc24b42b097f8abf2c30f687bdfc1702b081158766be71926a3ffc. 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/5CuiBdLxEPIOSZc16OFNz8.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/5CuiBdLxEPIOSZc16OFNz8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10f50644ab05da648d1360b7f2ae927a5c93d0ed3d460782b260e34e9e2a90ed. 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/5vuFyIAYGZTr1XGC2M7frK.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/5vuFyIAYGZTr1XGC2M7frK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b7792c6b992c7a2b7edd30518f3876449ce24296f991f4c467597cf12a3efd5. 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/2DNzkGCDTTWMbRjUR18ljB.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/2DNzkGCDTTWMbRjUR18ljB.
{"copyright_id":"0x2aaea0a7f5d6b49c0452189a36a2e9dfa3e626b17ff24b061da7d462d4ce8053","isrc":"PLF242211698","name":"Starsi Panowie","registered_at":"2026-06-20T09:46:11Z","spotify_id":"3PqGnTX5YwvfpmjBAosrfR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2aaea0a7f5d6b49c0452189a36a2e9dfa3e626b17ff24b061da7d462d4ce8053. 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/3PqGnTX5YwvfpmjBAosrfR.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/3PqGnTX5YwvfpmjBAosrfR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4683e067cacc24b42b097f8abf2c30f687bdfc1702b081158766be71926a3ffc. 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/01XExr6QNhuihhyESnUDSZ.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/01XExr6QNhuihhyESnUDSZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd73addad1fc4ee8b3a9a8e07445ce65e279f0286b0e851d67a73148416413db2. 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/5A5v49DHgVLpe55xoNDxnU.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/5A5v49DHgVLpe55xoNDxnU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67629f577624fe0f24acfab7937a32a49bf9982197a6518a1ed70bafbbf54f6f. 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/5R93sOaRK2LLxjbb3mtRqf.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/5R93sOaRK2LLxjbb3mtRqf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc331467826d170177fab84ddd83b0299f3ad7662749e8a06366a1dd2f5f32296. 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/262LeukouzpUoLLHaJYD7u.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/262LeukouzpUoLLHaJYD7u.