The Romanian Radio National Orchestra () is the symphony radio orchestra, part of the Romanian Radio Orchestras and Choirs. Concerts are held during all season at the Mihail Jora Concert Studio, well
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 0x3da959960b2129dbe934dfd7a5d5070e4f433cf99242bcb2012c8f2645b0e3da. Chain 2 (Bitcoin): anchored in block 954553 (2026-06-20T11:51:30Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ac4850f8-893b-4991-9353-435e8869278c.json and https://artists.proofprofile.net/proofs/artist/ac4850f8-893b-4991-9353-435e8869278c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
National Radio Orchestra of Romania: In Focus
Romanian National Radio Orchestra in Concert