right|thumb|300px|Some of the most common cherry bombs and globe salutes commercially available in the United States. Picture scale: the blue lines in the background are ½-inch apart. From top left:
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 0x37d377c18699854b4fcd7851a892cb1449692598d7913c316ebece85fb8d1268. Chain 2 (Bitcoin): anchored in block 953968 (2026-06-16T16:01:49Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/29310fc1-400e-462f-9227-f656f4c5770b.json and https://artists.proofprofile.net/proofs/artist/29310fc1-400e-462f-9227-f656f4c5770b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
We Built This City / We're Not Gonna Take It