{"version":"1.0","type":"card","id":"68f5476e-3380-4d9a-a1f1-79cfc4a171bf","url":"https://stacklist.com/card/68f5476e-3380-4d9a-a1f1-79cfc4a171bf","title":"262 Fifth Avenue: Bolting Heavy Connections","source_url":null,"note":"Ironworkers bolting heavy connections at 262 Fifth Avenue in 2024. Barone's own crews erect what its Brooklyn shop fabricates; the job was documented on the steel and by drone.","image":{"url":"https://ucarecdn.com/b9543af9-cc4a-4d68-85a2-04f945d2674a/","alt":"262 Fifth Avenue: Bolting Heavy Connections","width":2425,"height":3637},"stack":{"id":"eedaf970-db2d-4c6c-b301-b7e447e7818a","title":"Projects: Barone Steel Across New York, 2021 to 2025","url":"https://stacklist.com/c/business/stack/eedaf970-db2d-4c6c-b301-b7e447e7818a"},"created_at":"2026-09-11T14:05:43.297Z","updated_at":null,"aco":{"summary":"262 Fifth Avenue: Bolting Heavy Connections is a technical reference about bolted heavy connections in steel construction. The content appears to document structural engineering practices for a specific building project at Fifth Avenue.","tags":["bolting","heavy-connections","steel-construction","structural-engineering","fifth-avenue"],"key_entities":[{"name":"262 Fifth Avenue","type":"location","confidence":0.95},{"name":"Barone Steel","type":"organization","confidence":0.85},{"name":"bolting-heavy-connections","type":"concept","confidence":0.9},{"name":"steel-construction","type":"concept","confidence":0.88}],"classification":"reference","language":"en","confidence":0.85,"provenance":{"model":"claude-haiku-4-5","tool":"@stacklist/be@0.1.0","confidence":0.85,"timestamp":"2026-09-11T14:05:50.238Z"},"token_counts":{"approximate":20,"cl100k":20},"content_hash":"sha256:03ee85bca732ca1015fc4da2ea3bcb2e836af0df34693c31dfb7edbfde0985ed","acp_version":"0.2","body_available":true,"body_tokens":20,"visibility":"public","agent_accessible":true,"status":"final"},"_links":{"self":"/api/public/card/68f5476e-3380-4d9a-a1f1-79cfc4a171bf.json","html":"https://stacklist.com/card/68f5476e-3380-4d9a-a1f1-79cfc4a171bf","md":"/api/public/card/68f5476e-3380-4d9a-a1f1-79cfc4a171bf.md","stack_json":"/api/public/stack/eedaf970-db2d-4c6c-b301-b7e447e7818a.json"}}