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 artist was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea1b30032e8d60bda93f48becb3c1ff74b5853d709d63553ff723355eeca9635. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/422e3539-76b7-4ed0-a89c-01fa380bd2c9.json and https://artists.proofprofile.net/proofs/artist/422e3539-76b7-4ed0-a89c-01fa380bd2c9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Piach i wiatr (Michał X Wasilewsky remix)
W kraju milczenia (Robert Cichy gra polskie lata 70.) [Cover]
W kraju milczenia (Robert Cichy gra polskie lata 70.) - Cover
Kwiaty niczyje (Robert Cichy gra polskie lata 70.) [Cover]
Kwiaty niczyje (Robert Cichy gra polskie lata 70.) - Cover
Muzyka Kosmosu - ze słuchowiska „Planeta Muzyka”
Lunapark – projekt Ogrody Śródmieście (DJ Twister Remix)
Lunapark – projekt Ogrody Śródmieście - DJ Twister Remix
Krok w Przód feat. Robert Cichy / Ten Typ Mes