Otha is a given name and surname. Notable persons with that name include: Persons with the given name Otha Bailey (1931–2013), American baseball player Ellas Otha Bates or Bo Diddley (1928–2008), Ame
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 0xfec0c94ac01ccdaf67c2dabd18a25a611bac753b09ebeb95ca48156ed5ed57dd. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/31155296-8c04-437d-9206-cfcca0cb8180.json and https://artists.proofprofile.net/proofs/artist/31155296-8c04-437d-9206-cfcca0cb8180.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).