Ermo () is a Chinese comedy/drama film, released in 1994 and directed by Zhou Xiaowen. It is essentially a satire on Western consumerism and its influence on Chinese culture. It was adapted from a no
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 0xa819c32569f039d90816df2d8b982aca85a014ed046c1554b9a4751c963e85ad. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/69058a4a-51c9-4a59-88f8-7a80e60a7c0b.json and https://artists.proofprofile.net/proofs/artist/69058a4a-51c9-4a59-88f8-7a80e60a7c0b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).