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 0x7abd87da3b72f95389685e822e88253126d2f8dcce1780e668495b72b10e713d. 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/13ee80c6-fd5e-4667-ac6b-3c3318d4d2b3.json and https://artists.proofprofile.net/proofs/artist/13ee80c6-fd5e-4667-ac6b-3c3318d4d2b3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
In World Of Music ( Mini Episode's) Vol.1
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 0xc55965d71cba07447251c1cf444c75b75a0b362f0baef37590a0b196a8ea9f5f. 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/3PqUYpLSmQ8BAEdcDatm2u.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/3PqUYpLSmQ8BAEdcDatm2u.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x853bb652f148a6be83db3900afa125da433462af316d7c2641c515b0341e76af. 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/65DKgDb32p4sSCvqp1eO1G.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/65DKgDb32p4sSCvqp1eO1G.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9cbf537e7a0445fc31d75be1fbbd7ed92bbe3d4162371c80d5b5666b642bf646. 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/5m6xPgYJ83EMZyNDin0Y2s.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/5m6xPgYJ83EMZyNDin0Y2s.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8878707adaebfc5fda6340a8f2541a838125d2b5e7e8ad2eaaf69a5e76cff5ee. 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/7j93q1wK8Zcd2pR4gcgWXX.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/7j93q1wK8Zcd2pR4gcgWXX.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65c6e314aa9128504c8d60657d7658ef7b9683ee9106410850a728ead7da3326. 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/3LTf5XeBtZHrdboKk7fRgG.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/3LTf5XeBtZHrdboKk7fRgG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16f8ef6fe1ea9d11e0767059ce41175c62d703076948c6c325347b41406413f6. 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/1IFleEXocjnBN0T2kGcPCd.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/1IFleEXocjnBN0T2kGcPCd.
{"copyright_id":"0x32a2e304ccfffbfb63707a881b4af15ae3df1aaa1f473eacd54c39d58bcc4707","isrc":"QZZ8A2464538","name":"Broken Dreams","registered_at":"2026-06-29T11:22:06Z","spotify_id":"4EEvh8jLNg6uGXDahD91EH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32a2e304ccfffbfb63707a881b4af15ae3df1aaa1f473eacd54c39d58bcc4707. 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/4EEvh8jLNg6uGXDahD91EH.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/4EEvh8jLNg6uGXDahD91EH.
{"copyright_id":"0x9030d3e37f93b9c780f00d5ed8fff8fc77673c5f38e1d90c90a6bf22f979b63f","isrc":"QZZEB2418527","name":"Let It Go","registered_at":"2026-06-29T11:29:33Z","spotify_id":"3xskTRyqQ0Mby6DvJrEVLg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9030d3e37f93b9c780f00d5ed8fff8fc77673c5f38e1d90c90a6bf22f979b63f. 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/3xskTRyqQ0Mby6DvJrEVLg.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/3xskTRyqQ0Mby6DvJrEVLg.