Anna Odobescu (born 3 November 1991) is a Moldovan singer. She represented her country at the Eurovision Song Contest 2019 with her song "Stay", after winning the national selection show O melodie pen
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 0x6b9467b8af2251ae7a4e621f8d694a8d6bd526499572efeba72e13346bde6534. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4f039440-49a6-445a-950e-b37beaf03524.json and https://artists.proofprofile.net/proofs/artist/4f039440-49a6-445a-950e-b37beaf03524.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).