Mincho Minchev (; born 31 October 1967) is a Bulgarian former professional footballer who played as a forward. Club career Minchev played with FC Dimitrovgrad in their season in A PFG after they reac
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 0x9abc66e9472f6c643c58f2167a3a627da806516d150d58398cc3c8bbd29c2771. Chain 2 (Bitcoin): anchored in block 954650 (2026-06-21T04:51:12Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d8c43935-42ea-4940-9814-19c96b9ea2dd.json and https://artists.proofprofile.net/proofs/artist/d8c43935-42ea-4940-9814-19c96b9ea2dd.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Telemann - Vivaldi - Johann Christian Bach: Selected Works
Pyotr Ilyich Tchaikovsky: Swan Lake, Op. 20a, TH 219: Russian Dance - Petko Stainov: Tracian Dances, Symphonic suite: 4. Ruchenitsa