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 0xfa78a9fe85bb624540e9c06d52d7631ff1c58cdf008352c8b11df9d785926936. 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/67e2d499-c95b-4723-9f51-e54f8f3dc452.json and https://artists.proofprofile.net/proofs/artist/67e2d499-c95b-4723-9f51-e54f8f3dc452.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xeabba227ccc4b4d87f2064d4314a3c5efa3fe900aa0324590e08d4cb7dd02820","isrc":"GX5MX2317795","name":"No Masks","registered_at":"2026-06-11T17:04:32Z","spotify_id":"0VYYTmaLXtiBOFWt1wkDyC","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 0xeabba227ccc4b4d87f2064d4314a3c5efa3fe900aa0324590e08d4cb7dd02820. 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/0VYYTmaLXtiBOFWt1wkDyC.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/0VYYTmaLXtiBOFWt1wkDyC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e50773f9aa8a8c05d66657864be913bcb4237772991533ae332ff7e6e4ce8e6. 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/2aFlqefK63teb5NmlwZHMP.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/2aFlqefK63teb5NmlwZHMP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb21922b3a7808198a7bf58617a30fec5c43a7a3c87168828ed1e6ae17b85e33. 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/2C1eczv5vuaBLoGZFDy81Q.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/2C1eczv5vuaBLoGZFDy81Q.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd912937b073c9abf68bef3f0cbb9764419ff89b4fe7c0c3d81985ac739aa966. 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/0A4bqKcj1BJhEn8z7VbCdm.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/0A4bqKcj1BJhEn8z7VbCdm.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe62b2820ed874f2d5b5532c118313f82687d7ff8e1978a9d46a5fffea41226fa. 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/3fEwHwzuVBFauZsvdeTeOF.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/3fEwHwzuVBFauZsvdeTeOF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9eada4901cc996ca9c8015eeeac36af24d02c95c9aaf62fb1618b615c4190b2. 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/2yiOCcE77Ainp6FbMep8lS.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/2yiOCcE77Ainp6FbMep8lS.
{"copyright_id":"0x98bf11783257f1f0be5da06f6fc156d9080ef7149afed07ee36c4306c187a0af","isrc":"GBKQU2309241","name":"Got Love","registered_at":"2026-06-25T12:31:35Z","spotify_id":"1XZLzzHymowSLXXw5BPGNy","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98bf11783257f1f0be5da06f6fc156d9080ef7149afed07ee36c4306c187a0af. 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/1XZLzzHymowSLXXw5BPGNy.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/1XZLzzHymowSLXXw5BPGNy.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x212e7b484ca68720dc95bef35a5a18eb33891348c5ab2cefeab9c15a70062ad0. 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/1dOmsrWQaH8di9mQ79m610.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/1dOmsrWQaH8di9mQ79m610.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73dda75d75008f53f235bd12c5ac8a815ecf9bdcc000376564b9a97393de25c7. 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/1k7gBctf0pmtEH6214MJtS.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/1k7gBctf0pmtEH6214MJtS.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7fd890ae5a2ae5220242d111d411d22dbd05d81856b1d5560fab032f73f091f. 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/0l7NkZJaDv4BSvxG9tGsd8.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/0l7NkZJaDv4BSvxG9tGsd8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb540465600ca17678d16e6d35971ae87d2e10d354e4e3b15726f69d8842ae6b. 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/0ddgryNmFHBTSeDUbA6nGM.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/0ddgryNmFHBTSeDUbA6nGM.
{"copyright_id":"0xb3b99c59ae170bdda532d797c0bbdc6e7fcc34573edcec7e048a17fce0521c9f","isrc":"GBKQU2052287","name":"Super Bowser - Edit","registered_at":"2026-06-18T12:04:46Z","spotify_id":"6wdOI3RbDFS1yRHHPTiAKw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3b99c59ae170bdda532d797c0bbdc6e7fcc34573edcec7e048a17fce0521c9f. 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/6wdOI3RbDFS1yRHHPTiAKw.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/6wdOI3RbDFS1yRHHPTiAKw.
{"copyright_id":"0xd411cf250dfcdfff5801f47bb72ee4c2f592c9420a3dba320ba83223360f237a","isrc":"US83Z2013086","name":"Mother Funk House","registered_at":"2026-06-21T09:16:20Z","spotify_id":"6Qc2ctawyeGvvlVw5xwfj6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd411cf250dfcdfff5801f47bb72ee4c2f592c9420a3dba320ba83223360f237a. 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/6Qc2ctawyeGvvlVw5xwfj6.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/6Qc2ctawyeGvvlVw5xwfj6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2eb2809f03cf13de8d6a30a4a2c40edfb88c17ad27d233537e69192cd595e3ee. 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/7LBSzqpzr0x7oJ47crF1yd.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/7LBSzqpzr0x7oJ47crF1yd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68d0e1f2730a3a740315ac316f74470910908e9da3576622abcbd9ceae9e49f9. 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/2kBxRwMcvX7BauDInB3Wb9.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/2kBxRwMcvX7BauDInB3Wb9.
{"copyright_id":"0xa5a7bac7e9cfb9deff85730ddcc41157cb8d4bfc5e8a50b04ed822feeac424f2","isrc":"GX5MX2339378","name":"Gotta Go","registered_at":"2026-06-10T05:06:22Z","spotify_id":"1i6traXkeSBfe7V74MHrnU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5a7bac7e9cfb9deff85730ddcc41157cb8d4bfc5e8a50b04ed822feeac424f2. 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/1i6traXkeSBfe7V74MHrnU.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/1i6traXkeSBfe7V74MHrnU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0307b0e6db1f8c403206c92147c8577f6751ca92c72f3dc5a94066958fa412ce. 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/76DBfdyU9R91PuQNGnkLKX.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/76DBfdyU9R91PuQNGnkLKX.
{"copyright_id":"0xd78bfd9c7926e972d958a53baeb9d3f0ed40f850a377e93abc4833041aaca0ef","isrc":"GBKQU1901647","name":"Low Love","registered_at":"2026-06-27T14:26:31Z","spotify_id":"4iIvoGUNT7XGO905Lfo8cg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd78bfd9c7926e972d958a53baeb9d3f0ed40f850a377e93abc4833041aaca0ef. 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/4iIvoGUNT7XGO905Lfo8cg.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/4iIvoGUNT7XGO905Lfo8cg.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb318c545f4972adda0417ba38611bf4e47ae282d5ce52c55b829f4dd51961933. 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/4ttmoerlbkHXrolpDQz4ZF.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/4ttmoerlbkHXrolpDQz4ZF.
{"copyright_id":"0x25131e7c1008adf2cbaa5c42c78de88a3699f235a3a597ada0651574134d8703","isrc":"GBSMU6133670","name":"The Gift (FractaLL & Rocksted Remix)","registered_at":"2026-06-10T06:48:48Z","spotify_id":"5F2s569QBTDIRQZCEyspEH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25131e7c1008adf2cbaa5c42c78de88a3699f235a3a597ada0651574134d8703. 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/5F2s569QBTDIRQZCEyspEH.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/5F2s569QBTDIRQZCEyspEH.
{"copyright_id":"0x8dab95201bf9d9a7bf68e88496ee1816a547027050493f73c3a5f0b5a3debb60","isrc":"USLZJ1795958","name":"Take Over - Jairo Lima Remix","registered_at":"2026-06-18T17:54:34Z","spotify_id":"7b2QOQo4Y3q5YRAAVRTf8L","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8dab95201bf9d9a7bf68e88496ee1816a547027050493f73c3a5f0b5a3debb60. 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/7b2QOQo4Y3q5YRAAVRTf8L.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/7b2QOQo4Y3q5YRAAVRTf8L.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f21e27efa3d8ab7ae038abf54135340174efb4810833a5783590a114f4f2ea4. 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/7dwG6oLxjw18FYsaK4tGbu.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/7dwG6oLxjw18FYsaK4tGbu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b2e9b97b891ba338f7093668aa42644f3fc80335c54fd92f7a13b58af357d5c. 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/5gup5CsQLMjpms1hqZF42M.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/5gup5CsQLMjpms1hqZF42M.
{"copyright_id":"0xac2a34b64db37d394ec6518e73fcb2575badb53334df754b8addf0cf99e8c759","isrc":"QZS1Z1633494","name":"Killed It","registered_at":"2026-06-21T06:04:44Z","spotify_id":"7MOjFVC0ZfAhy4zxc0GRb6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac2a34b64db37d394ec6518e73fcb2575badb53334df754b8addf0cf99e8c759. 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/7MOjFVC0ZfAhy4zxc0GRb6.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/7MOjFVC0ZfAhy4zxc0GRb6.
{"copyright_id":"0x88faaebbf3ae9c53bda9da2285e24c0a9a5df2a8b3000eeeeadb883eb67fe413","isrc":"QZS1Z1602577","name":"Let The Bass Go","registered_at":"2026-06-29T14:20:57Z","spotify_id":"5kH8RbbQNoArIx791lFwzZ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88faaebbf3ae9c53bda9da2285e24c0a9a5df2a8b3000eeeeadb883eb67fe413. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5kH8RbbQNoArIx791lFwzZ.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/5kH8RbbQNoArIx791lFwzZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbe155906b5d7fecad5d804328b1ad3344d6976aa066e491ae7d1d70debff511. 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/49c09k0P5atvF55jMoG2hT.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/49c09k0P5atvF55jMoG2hT.
Winter Sunset (feat. Ellie Ka) [Fractal System Remix]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x104c00bf06c062fc7f065cb84d263788b24aa54675e13f44040934d07180dfb9. 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/36NHVUQRGhUoXCKB1pc2Ei.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/36NHVUQRGhUoXCKB1pc2Ei.
Winter Sunset feat. Ellie Ka - Fractal System Remix
This Feeling - FractaLL and Rocksted Remix
{"copyright_id":"0xde9bedccfdf7226c35dc1038a0cff9e4cd4955ea59dd9166306ab8d35c5db35c","isrc":"NLRD52264075","name":"This Feeling - FractaLL and Rocksted Remix","registered_at":"2026-06-18T17:55:50Z","spotify_id":"4y9U5fzQO6PGbp8xfhLFgt","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde9bedccfdf7226c35dc1038a0cff9e4cd4955ea59dd9166306ab8d35c5db35c. 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/4y9U5fzQO6PGbp8xfhLFgt.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/4y9U5fzQO6PGbp8xfhLFgt.