Lucky Lu is a 2025 drama film written and directed by Lloyd Lee Choi, in his feature film directorial debut. Adapted from Choi's 2022 short film Same Old, it stars Chang Chen, Fala Chen, and Carabelle
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 0xabfc640f07c203fbba66ca6251d419b3a637c6af0962b0c726f38db1b188a5ec. Chain 2 (Bitcoin): anchored in block 954533 (2026-06-20T08:57:02Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a319a97f-fb85-405d-89eb-a3ec0e5ca170.json and https://artists.proofprofile.net/proofs/artist/a319a97f-fb85-405d-89eb-a3ec0e5ca170.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).