G23 may refer to: G-23 (political group), a group of 23 Indian members of parliament Glock 23, an Austrian handgun Gribovsky G-23, a Soviet experimental aircraft Grumman G-23, an American biplane
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7dcd1468095299020df4827c8e536ec58f004dd80a830f0480757c95e87be57. Chain 2 (Bitcoin): anchored in block 953697 (2026-06-14T21:49:28Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6b7e3d63-9e77-4b76-9905-61bdf772d8f2.json and https://artists.proofprofile.net/proofs/artist/6b7e3d63-9e77-4b76-9905-61bdf772d8f2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).