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 0xed817dad1760d606ba76e93e761753c370b39af514c133680faa9d3725cbff8a. Chain 2 (Bitcoin): anchored in block 953648 (2026-06-14T15:20:52Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/44b02600-7de4-498d-88f7-6196f053c668.json and https://artists.proofprofile.net/proofs/artist/44b02600-7de4-498d-88f7-6196f053c668.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Check The Czechs! Beatles (Zahraniční Songy V Domácích Verzích)
Klavírní Směs: Nikdo Nepřišel / Je To Blízko / Nenapovídej / Valčík Pro Mámu / Máma - Live
Italo TopHits Mix: Non Voglio Mica La Luna / Mamma Maria / Sará Perché Ti Amo / Tornero / Piccola E Fragile / L'Italiano - Live
Rebelové rokenrolů: Hvězdy českých muzikálů zpívají Rock´n´Roll