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 0xcb25cdb33a6e858ba345476e506a5d29a020c7d1d5c0712948802b54176737d3. 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/6bfd29d3-e564-461f-a5f1-bc8b8f6c83dd.json and https://artists.proofprofile.net/proofs/artist/6bfd29d3-e564-461f-a5f1-bc8b8f6c83dd.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x4289652d7507eb7a29adbbd780043ceb52b8c09bfbc3ac08291f2f8d7b29f07c","isrc":"QZTAW2338322","name":"Shine On Me","registered_at":"2026-06-27T01:31:22Z","spotify_id":"4BOxqGdZDBNm5Mil9IoHHk","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 0x4289652d7507eb7a29adbbd780043ceb52b8c09bfbc3ac08291f2f8d7b29f07c. 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/4BOxqGdZDBNm5Mil9IoHHk.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/4BOxqGdZDBNm5Mil9IoHHk.
into your hands + preserve me - instrumental
pleasing in your eyes + it's all for you - instrumental
{"copyright_id":"0x2afaf8d2e6ed3044dd3ccff8745fb44347e1b6b5dcba5339631cbedcb355901a","isrc":"QZWFP2303751","name":"Into Your Hands","registered_at":"2026-06-10T16:26:34Z","spotify_id":"6hTUXpS2pvq5AtcfGZP6vk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2afaf8d2e6ed3044dd3ccff8745fb44347e1b6b5dcba5339631cbedcb355901a. 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/6hTUXpS2pvq5AtcfGZP6vk.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/6hTUXpS2pvq5AtcfGZP6vk.
{"copyright_id":"0x9ac8e4410f892cd4e692c706b28567f1ba1ded6aa4d4ff413fec171a6b543b3a","isrc":"QZWFP2303752","name":"Preserve Me","registered_at":"2026-06-23T02:44:36Z","spotify_id":"0oTGXduZCUepSXYd1vtpHn","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ac8e4410f892cd4e692c706b28567f1ba1ded6aa4d4ff413fec171a6b543b3a. 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/0oTGXduZCUepSXYd1vtpHn.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/0oTGXduZCUepSXYd1vtpHn.
{"copyright_id":"0xe21a9f1b758e5e8ee4d7bc39c65e480025edda95731a16367c9c68f789a8fb5e","isrc":"QZWFP2303753","name":"I'm Not Offended","registered_at":"2026-06-19T09:54:02Z","spotify_id":"7wMIZJgKE5roEeM6ei4pf5","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe21a9f1b758e5e8ee4d7bc39c65e480025edda95731a16367c9c68f789a8fb5e. 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/7wMIZJgKE5roEeM6ei4pf5.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/7wMIZJgKE5roEeM6ei4pf5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f660f26b7aec84ca78ba551e2feb63207116a8d660c067f3583d284f902610e. 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/4Jx7im1MUbSb98zyIAGI9T.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/4Jx7im1MUbSb98zyIAGI9T.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf33ceeb364e5ec8f73d082030ae592382d0ffe8ac0f5f9a72970d4711751961f. 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/3Y5KhZr5C8WzengRpWHCHw.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/3Y5KhZr5C8WzengRpWHCHw.
{"copyright_id":"0xecaef282b686ccc23eda8f5e344c23de2960fe729bdd671f96d9b1bbec431a64","isrc":"QZNWX2067841","name":"Worth the Search","registered_at":"2026-06-21T22:37:36Z","spotify_id":"614R22vqjc1ieESrtMmaG8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xecaef282b686ccc23eda8f5e344c23de2960fe729bdd671f96d9b1bbec431a64. 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/614R22vqjc1ieESrtMmaG8.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/614R22vqjc1ieESrtMmaG8.
{"copyright_id":"0xff7413fb411c82cfdc2b37da04fa8cfc16926c1235e6e9134c7c1cc39eeaf9f5","isrc":"USLZJ2159987","name":"North Wind","registered_at":"2026-06-04T16:18:53Z","spotify_id":"4HHtllKc5XnL8jfVT0WXbD","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff7413fb411c82cfdc2b37da04fa8cfc16926c1235e6e9134c7c1cc39eeaf9f5. 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/4HHtllKc5XnL8jfVT0WXbD.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/4HHtllKc5XnL8jfVT0WXbD.