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 0xec9049880e6fdb96b63ff00764305795b74337ef21ecfc0fee4de7a889029ad8. 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/54d01746-c742-4471-95e8-2755d9feda88.json and https://artists.proofprofile.net/proofs/artist/54d01746-c742-4471-95e8-2755d9feda88.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 0x3ec124322d076af8dae6e41e9d077986072783dd934a7964d3af05e3cd03f5aa. 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/4YNGM7Eek5bDIGtU1OZxEj.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/4YNGM7Eek5bDIGtU1OZxEj.
{"copyright_id":"0x88b66a9332f529aaef5b9f6b61b90a7c272b6c13ff93cb20381dbb7098ce819b","isrc":"USRN10000165","name":"How Cool Is That","registered_at":"2026-06-20T21:52:24Z","spotify_id":"5luIcdOjfmnSuKxiCGqVvX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88b66a9332f529aaef5b9f6b61b90a7c272b6c13ff93cb20381dbb7098ce819b. 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/5luIcdOjfmnSuKxiCGqVvX.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/5luIcdOjfmnSuKxiCGqVvX.
I've Learned - Recall Mix (Album Version)
{"copyright_id":"0x587bd1457fd5cd67d2bc060ea34ed440989836043165c5c4b009f8012cf447f9","isrc":"USRN10100375","name":"Tonight I Wanna Be Your Man","registered_at":"2026-06-08T10:57:11Z","spotify_id":"3RwlpiM8WPPQsNrdQsQb7Y","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x587bd1457fd5cd67d2bc060ea34ed440989836043165c5c4b009f8012cf447f9. 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/3RwlpiM8WPPQsNrdQsQb7Y.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/3RwlpiM8WPPQsNrdQsQb7Y.
Sweetheart Of Beinja Bayou - Remix (Album Version)
{"copyright_id":"0x033afd7a19f021466d5bd1391cffeb7245925f29a852b900a77e6af5c5bcc787","isrc":"USRN19700180","name":"You Made Me That Way","registered_at":"2026-06-11T00:14:58Z","spotify_id":"5GbYklKhr6z3sDOOgcVUkN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x033afd7a19f021466d5bd1391cffeb7245925f29a852b900a77e6af5c5bcc787. 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/5GbYklKhr6z3sDOOgcVUkN.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/5GbYklKhr6z3sDOOgcVUkN.
{"copyright_id":"0xed695138805a0a7ed69540cd48cdde344db09d3d82a3ef81e5a6afa4a636d78b","isrc":"USRN19800016","name":"I'll Go Crazy","registered_at":"2026-06-09T01:48:25Z","spotify_id":"0trmMvSTIhKC4ZFUimbLlI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed695138805a0a7ed69540cd48cdde344db09d3d82a3ef81e5a6afa4a636d78b. 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/0trmMvSTIhKC4ZFUimbLlI.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/0trmMvSTIhKC4ZFUimbLlI.
{"copyright_id":"0xfceddad1f551ec4f63411e62363e2b5cd0c8a306ec37915654e28fa0c06b03e3","isrc":"USRN19700179","name":"I Miss You The Most","registered_at":"2026-06-19T20:57:10Z","spotify_id":"3Q9TxtQNOIfs3q2pQvV7e4","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfceddad1f551ec4f63411e62363e2b5cd0c8a306ec37915654e28fa0c06b03e3. 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/3Q9TxtQNOIfs3q2pQvV7e4.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/3Q9TxtQNOIfs3q2pQvV7e4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71f1747af824ef061af0256f2c626d1f99b016f7c48a90ce7635451144a18363. 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/0wfr8FjpLXIO1YjqEyVCg5.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/0wfr8FjpLXIO1YjqEyVCg5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae8207485ae95a826b89c8f61899ab5fc771f07a17747d1aa77bd128f60660e0. 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/18VBdEo13KPbrjiaNu7Fqc.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/18VBdEo13KPbrjiaNu7Fqc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x919b2888682feee8084f57978ea75ece12919c5cfc6bfe934fd15feaa8932839. 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/12XCmXzPZnWh1v8hFPJOyn.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/12XCmXzPZnWh1v8hFPJOyn.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c9619f061886e72d59f7e79b9992a25f5989647f90daa52b9b8316e6d796049. 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/4DK6i727QXmKwtTebDiVrp.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/4DK6i727QXmKwtTebDiVrp.
{"copyright_id":"0x2364731b8c184bf3d45fdad10cb3e40f6d8c143242e72533310b98c9d04b75f4","isrc":"USRN19800035","name":"Shine On Me (with Waylon Jennings)","registered_at":"2026-06-26T12:24:52Z","spotify_id":"3obMggnbxv8qfHKnTsucRl","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2364731b8c184bf3d45fdad10cb3e40f6d8c143242e72533310b98c9d04b75f4. 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/3obMggnbxv8qfHKnTsucRl.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/3obMggnbxv8qfHKnTsucRl.
{"copyright_id":"0x2d78f633bcf9355aba3048774e3777974f534ddecda39ff4ff887fb42b9a6be8","isrc":"USRN19800015","name":"Ain't Done Nothin' Wrong","registered_at":"2026-06-22T14:56:29Z","spotify_id":"1U9gCAVK4qWF1uKgHcHEU9","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d78f633bcf9355aba3048774e3777974f534ddecda39ff4ff887fb42b9a6be8. 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/1U9gCAVK4qWF1uKgHcHEU9.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/1U9gCAVK4qWF1uKgHcHEU9.
{"copyright_id":"0xeac062cb0abd3c7d850cfc69433bd7e20ed438ed4334f2f9e6f27e6df7fd6b8e","isrc":"USRN19800017","name":"She's More","registered_at":"2026-06-04T14:33:40Z","spotify_id":"0bF8vEqQyvTfAMWkbP7MnY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeac062cb0abd3c7d850cfc69433bd7e20ed438ed4334f2f9e6f27e6df7fd6b8e. 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/0bF8vEqQyvTfAMWkbP7MnY.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/0bF8vEqQyvTfAMWkbP7MnY.
{"copyright_id":"0xf1da4a42b2ed528d37186023e6ec49d4a824f2d600baff26cf3056157796a02a","isrc":"USRN19800012","name":"Ain't Livin' Long Like This","registered_at":"2026-06-25T03:21:16Z","spotify_id":"0qfaAuoZjngLxC3uwrIWpC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1da4a42b2ed528d37186023e6ec49d4a824f2d600baff26cf3056157796a02a. 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/0qfaAuoZjngLxC3uwrIWpC.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/0qfaAuoZjngLxC3uwrIWpC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66d01c146651eb52c318e73308e159a93c77bad3b32a30d67765f92f70337761. 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/70UI0YHr0Q4zzOeuZFeT8X.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/70UI0YHr0Q4zzOeuZFeT8X.
{"copyright_id":"0xae2574c12cffe9be9486c302c27772f1de306517b654690ff76a539eb4d1fd29","isrc":"QMLHE1390004","name":"I Love My Dog, My Dog Love Me","registered_at":"2026-06-24T09:25:07Z","spotify_id":"7lns9SdujoJCUiXdTcdZqV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae2574c12cffe9be9486c302c27772f1de306517b654690ff76a539eb4d1fd29. 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/7lns9SdujoJCUiXdTcdZqV.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/7lns9SdujoJCUiXdTcdZqV.
{"copyright_id":"0xae2574c12cffe9be9486c302c27772f1de306517b654690ff76a539eb4d1fd29","isrc":"QMLHE1390004","name":"Can't You See I Love My Dog","registered_at":"2026-06-24T09:25:07Z","spotify_id":"2F3eGhW3SNNyNnGJ8ofIk3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae2574c12cffe9be9486c302c27772f1de306517b654690ff76a539eb4d1fd29. 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/2F3eGhW3SNNyNnGJ8ofIk3.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/2F3eGhW3SNNyNnGJ8ofIk3.