Vienna Philharmonic (VPO; ) is an orchestra that was founded in 1842 and has been considered to be one of the finest in the world. The Vienna Philharmonic is based at the Musikverein in Vienna, Austr
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 0x3bfc5965a4c84f6dc1564a946a2c6869c33af3e9cb5a1bf4be78f0308ee49ece. Chain 2 (Bitcoin): anchored in block 954784 (2026-06-22T02:53:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f505045d-7de8-4823-a030-23f7a0049aa7.json and https://artists.proofprofile.net/proofs/artist/f505045d-7de8-4823-a030-23f7a0049aa7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).