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 0x37b1501fda143bf0870833bcd37931a9d6d04ef9e1600d772d0fa56401a07b4b. Chain 2 (Bitcoin): anchored in block 954693 (2026-06-21T11:50:32Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e84696c4-fb04-4bee-887b-ce4bcad6db3c.json and https://artists.proofprofile.net/proofs/artist/e84696c4-fb04-4bee-887b-ce4bcad6db3c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Xav Ntsib Koj Ua Ntej Ntsuj Plig Thawj Thiab
Hmoob Tub Leej Txiv Tus Zoo Nraug (Cover)
Pluag Los Tsis Thov Nej Mog Pom Coos Khem
Koj Niam Txhob Hnav Li Ko (Chom Kwm Nkauj Hnub Yaj)
Txhob Tos Hauv Qhua Nkauj Nraug Min Vang
Koj Tsim Kuv Mob Txaus Nkaus Nkauj Hnub Yaj
Cas Nim Tsis Yog Koj Niam Nkauj Txhav Qaib Nkauj Hnub Yaj
Nim Ye Me Niam Leej Ntxhais NkaujHnub Thiab Chom
Tus Nyab Nej Tsis Lwm Qaib (Paj Nyiag Lauj)
Cov Nraug Mos Npaj Siab Nawb (Nkauj Hnub Yaj)
Hmoob Tus Me Txiv Siab Dub (Alternative Version)
Pom Koj Hauv Tsiab 30 (Alternative Version)
Nco Koj Laus Nkoos (Alternative Version)
Cas Nim Tsis Yog Koj Niam Nkauj Txhav Qaib (Alternative Version)
TSHEM TSIS TAU KOJ HAUV KUV SIAB (Alternative Version)
XAV YOG TUS DEEG HAUV KOJ SIAB (Alternative Version)