Lale or Laleh may refer to: Geography Laleh, Iran, a village in Kurdistan Province, Iran Lale, Bulgaria, a village in Southern Bulgaria Given names Lale Lale Akgün (born 1953), Turkish-German polit
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 0x0e2b5aa46ffdd0a274e1fc9e953627268bd359d4ba73d80680b607ef03e987c4. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/de7e221b-ae7d-4405-98ef-3b0c7dd5be86.json and https://artists.proofprofile.net/proofs/artist/de7e221b-ae7d-4405-98ef-3b0c7dd5be86.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).