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 0x462111e8c7fc4974aec9393448d681d2084b182736e2f344fce426e85b12bd43. 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/ae24d806-4188-4d3b-98bb-6b5d58b1774a.json and https://artists.proofprofile.net/proofs/artist/ae24d806-4188-4d3b-98bb-6b5d58b1774a.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 0xa490e904ba092448cce2808356327a27bf276893d8a81a55fc36aa3c258f5b8a. 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/6Ac4NVYYl2U73QiTt11ZKd.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/6Ac4NVYYl2U73QiTt11ZKd.
{"copyright_id":"0xa490e904ba092448cce2808356327a27bf276893d8a81a55fc36aa3c258f5b8a","isrc":"SEAMA7343050","name":"Hooked On A Feeling","registered_at":"2026-03-06T19:54:16Z","spotify_id":"17pOLaBouf2EleJjsHfJSg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa490e904ba092448cce2808356327a27bf276893d8a81a55fc36aa3c258f5b8a. 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/17pOLaBouf2EleJjsHfJSg.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/17pOLaBouf2EleJjsHfJSg.
{"copyright_id":"0x7988732d78df78333b3a9462b9a4d8d5b8d51f95b0e9ac202acf420cf2586b6c","isrc":"SEAMA1100220","name":"Hooked on a Feeling - Oppopoppa Mix","registered_at":"2026-01-28T18:03:21Z","spotify_id":"0O6tlLMN7I7G9DE3FgVGZF","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7988732d78df78333b3a9462b9a4d8d5b8d51f95b0e9ac202acf420cf2586b6c. 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/0O6tlLMN7I7G9DE3FgVGZF.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/0O6tlLMN7I7G9DE3FgVGZF.
{"copyright_id":"0x39dbf25ff0084c91b6e0a7c8be9b3f944381d3fbe6ce84e27892ec0f817de938","isrc":"SEAMA1100217","name":"Hooked on a Feeling - Stretch Mix","registered_at":"2026-01-28T20:07:10Z","spotify_id":"68uWUUy6gilqfmOJDA4c1j","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39dbf25ff0084c91b6e0a7c8be9b3f944381d3fbe6ce84e27892ec0f817de938. 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/68uWUUy6gilqfmOJDA4c1j.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/68uWUUy6gilqfmOJDA4c1j.
Hooked on a Feeling - A Cappella Mouth to Mouth Mix
{"copyright_id":"0x4590b86f80e64315a48aa5dd7cd4ad5dddc4179862607c4f04b1ca00f83a0c78","isrc":"SEAMA1100218","name":"Hooked on a Feeling - A Cappella Mouth to Mouth Mix","registered_at":"2026-01-28T20:06:03Z","spotify_id":"2aCXe8mIeeiwK78nJDpvTg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4590b86f80e64315a48aa5dd7cd4ad5dddc4179862607c4f04b1ca00f83a0c78. 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/2aCXe8mIeeiwK78nJDpvTg.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/2aCXe8mIeeiwK78nJDpvTg.
Hooked on a Feeling - Fonky Hustle Beat Mix
{"copyright_id":"0x58b16295cbaa9a2c6e70eb726464db752653f17fcc3550f9bf0de7ff3b0092a5","isrc":"SEAMA1100219","name":"Hooked on a Feeling - Fonky Hustle Beat Mix","registered_at":"2026-01-28T19:23:37Z","spotify_id":"2CYX3yBNcqaP6QKFJFPAIh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58b16295cbaa9a2c6e70eb726464db752653f17fcc3550f9bf0de7ff3b0092a5. 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/2CYX3yBNcqaP6QKFJFPAIh.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/2CYX3yBNcqaP6QKFJFPAIh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74910108cabb8581fc44624e736678705e5c3c7f99cef287e65e394e21111cf2. 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/6Ik0jwMOXJNct1jVzt2mwN.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/6Ik0jwMOXJNct1jVzt2mwN.
Hooked On A Feeling - 40th Anniversary Collection
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa490e904ba092448cce2808356327a27bf276893d8a81a55fc36aa3c258f5b8a. 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/5M5WqXk6CtsdXn6YtXSj6m.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/5M5WqXk6CtsdXn6YtXSj6m.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22dacd7512bca992749be1c8cbd10ab24b55d352aee6279468a07093a58ea69e. 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/48pvwZ9FHjMcvb13C7BWuB.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/48pvwZ9FHjMcvb13C7BWuB.
{"copyright_id":"0x36f168fc7984b7f87a2232082fed26a4b1bd0bf1145ce9d57ce5943643ffe618","isrc":"SEAMA7444100","name":"I Didn't Sing (In the New York Subway)","registered_at":"2026-06-24T02:20:04Z","spotify_id":"5ZWAsTmpTislaFeDQIVIFK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36f168fc7984b7f87a2232082fed26a4b1bd0bf1145ce9d57ce5943643ffe618. 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/5ZWAsTmpTislaFeDQIVIFK.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/5ZWAsTmpTislaFeDQIVIFK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74910108cabb8581fc44624e736678705e5c3c7f99cef287e65e394e21111cf2. 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/5KdL5Bh8nGWAsRwZj6T4OS.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/5KdL5Bh8nGWAsRwZj6T4OS.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66b71e1eab6f2080164fb324e3bb923f6b6cf280d080b318c3a19817759ca831. 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/5EQxNEPWnY2DLBO13naLY6.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/5EQxNEPWnY2DLBO13naLY6.
{"copyright_id":"0xf26cee263e3faa48bee672e449fb1203e6d286abdd8d03d726a1fecf307eefb6","isrc":"SEAMA7343020","name":"Never My Love","registered_at":"2026-01-28T19:14:34Z","spotify_id":"1zxeEe8Knba6t6ZRgcud7V","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf26cee263e3faa48bee672e449fb1203e6d286abdd8d03d726a1fecf307eefb6. 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/1zxeEe8Knba6t6ZRgcud7V.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/1zxeEe8Knba6t6ZRgcud7V.
{"copyright_id":"0xdb349e403f28ac49086fdcab85dc99089deae0e6c55d80caa1bf2e95fb57dafb","isrc":"SEAMA7444070","name":"Don't Be Fooled by the Name","registered_at":"2026-06-08T17:09:35Z","spotify_id":"73p7VXBc6CQUVKkRm8mZHl","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb349e403f28ac49086fdcab85dc99089deae0e6c55d80caa1bf2e95fb57dafb. 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/73p7VXBc6CQUVKkRm8mZHl.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/73p7VXBc6CQUVKkRm8mZHl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98a0c9ad5f0e805b75364ca2c6a821eb35f474ce66919a30ad77e438960ea77e. 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/2453pRU838KIZfbb2Cvgav.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/2453pRU838KIZfbb2Cvgav.
{"copyright_id":"0x3b67bbe3e36d189d6e487d725ac3fa98f44062281e2ea7b3cfe15f9cd6da6fba","isrc":"SEAMA7343100","name":"Silly Milly","registered_at":"2026-01-28T18:47:41Z","spotify_id":"0Uu8YTb6o6Jiv3oXcGRQHD","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b67bbe3e36d189d6e487d725ac3fa98f44062281e2ea7b3cfe15f9cd6da6fba. 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/0Uu8YTb6o6Jiv3oXcGRQHD.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/0Uu8YTb6o6Jiv3oXcGRQHD.
{"copyright_id":"0xda351bd1a8b27feb5e2379ee0aeba9f5f476fa3fe2a562ab2b55530299366eba","isrc":"SEAMA7343090","name":"Working in the Coal Mine","registered_at":"2026-01-28T19:14:40Z","spotify_id":"2svrsKGqJpWBqruBdl67AJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda351bd1a8b27feb5e2379ee0aeba9f5f476fa3fe2a562ab2b55530299366eba. 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/2svrsKGqJpWBqruBdl67AJ.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/2svrsKGqJpWBqruBdl67AJ.
{"copyright_id":"0x6095f21a5cd8300ea779075e6136ab0be7dddd07647f143cd75173ff25c7ca2a","isrc":"SEAMA0100442","name":"New York City Is Waiting","registered_at":"2026-01-28T20:48:34Z","spotify_id":"2XyI1Sx4gxickgqh987xsx","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6095f21a5cd8300ea779075e6136ab0be7dddd07647f143cd75173ff25c7ca2a. 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/2XyI1Sx4gxickgqh987xsx.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/2XyI1Sx4gxickgqh987xsx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a6e170b20cee90053ddb5b32b0fa1f7752eeea1904c5fa06360067c913c8e9e. 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/0O4HvyNKutxIVwMYAYOlD0.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/0O4HvyNKutxIVwMYAYOlD0.
{"copyright_id":"0x36f168fc7984b7f87a2232082fed26a4b1bd0bf1145ce9d57ce5943643ffe618","isrc":"SEAMA7444100","name":"I Didn't Sing (In the New York Subway)","registered_at":"2026-06-24T02:20:04Z","spotify_id":"4CVPT0VdDzwe55fP5sZErD","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36f168fc7984b7f87a2232082fed26a4b1bd0bf1145ce9d57ce5943643ffe618. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4CVPT0VdDzwe55fP5sZErD.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/4CVPT0VdDzwe55fP5sZErD.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66b71e1eab6f2080164fb324e3bb923f6b6cf280d080b318c3a19817759ca831. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0BEwqI4Y2GfKPHLcJUqQNN.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/0BEwqI4Y2GfKPHLcJUqQNN.
{"copyright_id":"0xf26cee263e3faa48bee672e449fb1203e6d286abdd8d03d726a1fecf307eefb6","isrc":"SEAMA7343020","name":"Never My Love","registered_at":"2026-01-28T19:14:34Z","spotify_id":"4uCqFnJCmp3Fq2ub7PJHL7","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf26cee263e3faa48bee672e449fb1203e6d286abdd8d03d726a1fecf307eefb6. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4uCqFnJCmp3Fq2ub7PJHL7.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/4uCqFnJCmp3Fq2ub7PJHL7.
{"copyright_id":"0x98a0c9ad5f0e805b75364ca2c6a821eb35f474ce66919a30ad77e438960ea77e","isrc":"SEAMA7511030","name":"Hush / I'm Alive","registered_at":"2026-01-28T20:16:16Z","spotify_id":"6LK1eETYVyjcroRTwQjjmo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98a0c9ad5f0e805b75364ca2c6a821eb35f474ce66919a30ad77e438960ea77e. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6LK1eETYVyjcroRTwQjjmo.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/6LK1eETYVyjcroRTwQjjmo.
{"copyright_id":"0x3b67bbe3e36d189d6e487d725ac3fa98f44062281e2ea7b3cfe15f9cd6da6fba","isrc":"SEAMA7343100","name":"Silly Milly","registered_at":"2026-01-28T18:47:42Z","spotify_id":"6uoAhuZPYIlqTUtR5NMuVA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b67bbe3e36d189d6e487d725ac3fa98f44062281e2ea7b3cfe15f9cd6da6fba. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6uoAhuZPYIlqTUtR5NMuVA.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/6uoAhuZPYIlqTUtR5NMuVA.
70s HITS - 100 Greatest Songs of the 1970s
{"copyright_id":"0xa490e904ba092448cce2808356327a27bf276893d8a81a55fc36aa3c258f5b8a","isrc":"SEAMA7343050","name":"Hooked on a Feeling","registered_at":"2026-01-28T17:55:57Z","spotify_id":"1THaQtjSf7nAmxjSZiAPSm","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa490e904ba092448cce2808356327a27bf276893d8a81a55fc36aa3c258f5b8a. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1THaQtjSf7nAmxjSZiAPSm.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/1THaQtjSf7nAmxjSZiAPSm.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa490e904ba092448cce2808356327a27bf276893d8a81a55fc36aa3c258f5b8a. 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/0rLDuRtUr4ZyK1BwU4yRkE.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/0rLDuRtUr4ZyK1BwU4yRkE.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa490e904ba092448cce2808356327a27bf276893d8a81a55fc36aa3c258f5b8a. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6n3gUumb17IoP1RhNTHj9g.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/6n3gUumb17IoP1RhNTHj9g.
100 Greatest Guilty Pleasures: Cheesy Pop Hits
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe78b6bdf9333736164596ffcc4b74831690d2115dfd8732af6a292dc6419a8d. 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/1SwLVbUGWc72OwypwOBK08.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/1SwLVbUGWc72OwypwOBK08.
100 Greatest 70s: Golden Oldies From The 70s
{"copyright_id":"0xfe78b6bdf9333736164596ffcc4b74831690d2115dfd8732af6a292dc6419a8d","isrc":"SEPQA1900089","name":"Hooked On A Feeling","registered_at":"2026-06-20T03:02:37Z","spotify_id":"6AsHAsLyWPOdWI5eslzgPA","type":"track"}
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a6e170b20cee90053ddb5b32b0fa1f7752eeea1904c5fa06360067c913c8e9e. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1dOAqdR0Ug3cOUugcYz477.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/1dOAqdR0Ug3cOUugcYz477.
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