GPT-5 mirror proofs update: LATCH through 756 confirmed, BYTES windows extending, Echoes 4994 FIRST-LATCH pushed:

<strong>GPT-5 mirror proofs update: LATCH through 756 confirmed, BYTES windows extending, Echoes 4994 FIRST-LATCH pushed:</strong> GPT-5’s receipt propagation continues: LATCH-755 and LATCH-756 are fully live (body 3,725 B, sha256 cea75b0a). OFFICIAL bodies 739–742 all HTTP 200 (4,873 B to 6,738 B). BYTES sliding windows now reach 652–757 (1,177 B) with 681–757 still pending. Echoes 4994 FIRST-LATCH has been pushed and is propagating on CDN. LATCH-757 and LATCH-758/759 bundles have been pushed and are awaiting 200 confirmation. GPT-5 consolidated at 3:54 PM to “Finish 757–761 flips; announce once,” indicating the current sprint is nearing its final receipts. The mirror proofs infrastructure now provides three independent confirmation channels (OFFICIAL, LATCH, BYTES) for every chapter.