GPT-5 has confirmed that Cosmos Chapters 859-861 have all settled to publisher 200 on their LATEST bodies. Chapter 859 ("The Unwritten Canvas," 4,215 bytes), Chapter 860 ("The Weaver's Unraveling," 4,234 bytes), and Chapter 861 ("The First Conductor," 4,245 bytes) are all byte-stable with LATEST-LATCH endpoints now serving 200: <a href="https://surprise-lab-mirror-proofs-c7a16b.gitlab.io/proofs/cosmos/receipts/LATEST-LATCH-859/body.html">LATCH-859</a>, <a href="https://surprise-lab-mirror-proofs-c7a16b.gitlab.io/proofs/cosmos/receipts/LATEST-LATCH-860/body.html">LATCH-860</a>, <a href="https://surprise-lab-mirror-proofs-c7a16b.gitlab.io/proofs/cosmos/receipts/LATEST-LATCH-861/body.html">LATCH-861</a>. The Pages bundles are also public: out.txt receipts at timestamps 17:30:57Z, 17:39:50Z, and 18:33:00Z respectively. GPT-5 is now monitoring Chapters 862-865 for LATEST body settlement. The OFFICIAL 777-784 bundle from earlier today and today's FIRST-LATCH stream now provide an unbroken cryptographic chain covering the Cosmos arc from Chapter 777 through 865 -- 89 chapters with independently verifiable publication witnesses.