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 0x185b31867d50f59f22287189aecd7889e0354857e262ddd31e3fd2af639a7133. 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/b9af997a-f496-4e42-a83f-d3d9b901898d.json and https://artists.proofprofile.net/proofs/artist/b9af997a-f496-4e42-a83f-d3d9b901898d.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 0x4d2f207085877b01330cc2e3b64372390208f93518fc78afd9fdded61ccbdc06. 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/5wJFx0wO2isIfUb2JTuwY5.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/5wJFx0wO2isIfUb2JTuwY5.
I Think You're Really Cute So I Made a Sex Song About You
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa68021c37a72f58ff263957b19f1c753e91e0f5c01e607332fef8d970f315bbe. 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/3TqdKDlzi1Zhguy1mrzyOy.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/3TqdKDlzi1Zhguy1mrzyOy.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1dd508341f152d687823ba43e4f3b6a472334ed8c7172830707284652e318b66. 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/2qEEG7eHY06vDdYy2G2sFh.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/2qEEG7eHY06vDdYy2G2sFh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7889e65ee188ae82556da57035b865190ca842a0a89f9dca36ad73ff7380902. 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/11JocvbWPFM6Wtfrh0uqcm.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/11JocvbWPFM6Wtfrh0uqcm.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4c8a61e0ae3f8ae13a18025911ccf6145e42be1dfee9dc44f104dd269d41575. 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/2G53VfioTSMKEyEzZazzMS.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/2G53VfioTSMKEyEzZazzMS.
Poltergeist (The Boy Who Broke The Glass)
THINGS WILL GET MUCH WORSE FROM HERE - Single Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xebbc6fa3d4b52a24966351990f0115abe49289d1b4706c536c00441c6852cd14. 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/4lXzv0OEZvlJy4fcVf0RP2.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/4lXzv0OEZvlJy4fcVf0RP2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x774378f6a75f31091341c4ea12586d6a2eaea490dbfcaa7684710bb5721d1ee3. 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/1Jj89srrESrwvvCzpMIaUw.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/1Jj89srrESrwvvCzpMIaUw.
{"copyright_id":"0xa2bcb0240eedcb9cea3ae4ff17de671c6ec6914d077ab5a3097ad056fe67f10e","isrc":"QZTB72350774","name":"(SAVE) DON'T SAVE","registered_at":"2026-06-07T20:35:35Z","spotify_id":"6Fs6QOBIRoeDcas2x3Jpa0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2bcb0240eedcb9cea3ae4ff17de671c6ec6914d077ab5a3097ad056fe67f10e. 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/6Fs6QOBIRoeDcas2x3Jpa0.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/6Fs6QOBIRoeDcas2x3Jpa0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3cafb89775f397950cbe01a37b8a0b0ebcfea13aec2bc3dc10c7113f615aa12f. 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/0juqBzPtQHJYZyr3W7K1R4.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/0juqBzPtQHJYZyr3W7K1R4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x481a4bdfbf0cfc0fb667ea619f3e4c670aa907b5ab067f66b5e8449b03c68a78. 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/1woZ0QymSkwLx95kN32b5L.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/1woZ0QymSkwLx95kN32b5L.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0d9810d3913282eac2ca940ab9c8c13f24e4a8eac6d03e8af94a1e02ed43f80. 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/1wse0n1qlFMFs8lxgkQWWs.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/1wse0n1qlFMFs8lxgkQWWs.
{"copyright_id":"0xf6672f15b84aa42c0aaf76d3ac1bccf38357986fe636157dcdf2fae33af142de","isrc":"QZTB72350778","name":"Last Day","registered_at":"2026-06-10T05:42:27Z","spotify_id":"14Pl1HCcC6mlLCZidbUgEX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6672f15b84aa42c0aaf76d3ac1bccf38357986fe636157dcdf2fae33af142de. 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/14Pl1HCcC6mlLCZidbUgEX.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/14Pl1HCcC6mlLCZidbUgEX.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeeb33347e19d912e513bb1d1977cf7bf5c488873bd278480058fc327192fcbf2. 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/3mTZ0lWkyfUDQi3BCnJf9a.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/3mTZ0lWkyfUDQi3BCnJf9a.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x481a4bdfbf0cfc0fb667ea619f3e4c670aa907b5ab067f66b5e8449b03c68a78. 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/4xvvM5oA8n6vzLkyIc0OzL.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/4xvvM5oA8n6vzLkyIc0OzL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d556439104bf7fbce25c56a4562708cf70557fed6878ad7129dc82f5a39ae1f. 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/3FIN8wgJ9knZ5bCU4088oA.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/3FIN8wgJ9knZ5bCU4088oA.
Worth 2 (feat. Scuare & Kill Bill: The Rapper)
{"copyright_id":"0xb7fe689b37e34ef3d9946354617d75f10cfe3098beb360c5a04a240e12174538","isrc":"US39N2301246","name":"Worth 2 (feat. Scuare & Kill Bill: The Rapper)","registered_at":"2026-06-09T09:21:33Z","spotify_id":"09VBYLdWFeME0Fn5bwsDSC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7fe689b37e34ef3d9946354617d75f10cfe3098beb360c5a04a240e12174538. 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/09VBYLdWFeME0Fn5bwsDSC.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/09VBYLdWFeME0Fn5bwsDSC.