Vlad Marian Pop (born 31 August 2000) is a Romanian professional footballer who plays as a central midfielder for Liga I club Unirea Slobozia. Club career FC U Craiova He made his league debut on 16
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 0x7674273a5fcf49248b71b70c517ed2975917a88167ddfbb61a5a0002ea46fd5b. Chain 2 (Bitcoin): anchored in block 953660 (2026-06-14T17:20:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/52f3947e-0538-4e79-a8aa-7cc744e8175b.json and https://artists.proofprofile.net/proofs/artist/52f3947e-0538-4e79-a8aa-7cc744e8175b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).