Everything's Rosie is a 1931 American Pre-Code slapstick comedy film directed by Clyde Bruckman, from a screenplay by Ralph Spence, Tim Whelan, and Al Boasberg, based on a story by Boasberg. Although
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 0x8344ee3099a4a9b041edbe134ffa4a482ea8f2187c8938370f1b608b4f23e070. Chain 2 (Bitcoin): anchored in block 954587 (2026-06-20T19:10:41Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/bb78a6bf-2e8d-4bd3-8c34-5c0703655469.json and https://artists.proofprofile.net/proofs/artist/bb78a6bf-2e8d-4bd3-8c34-5c0703655469.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).