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 0x8fa957dc4485c1871bff2a831f4fd7dbcfd8109454675a7656a42ba1f3d8d382. 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/453702c4-e432-46fa-849e-5d206c765f65.json and https://artists.proofprofile.net/proofs/artist/453702c4-e432-46fa-849e-5d206c765f65.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Musíme se pochválit, máme auto z m(M)ostu
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Tak jdem dál (feat. Lou Fanánek Hagen, Kuba Ryba, Petr Janda, Václav Bláha, Petr Hrdlička, Josef Vojtek, Komunál, Vláďa Šafránek)