{"version":"1.0","type":"card","id":"ad91d421-d7f0-4160-9f44-a62e5ca96ea2","url":"https://stacklist.com/card/ad91d421-d7f0-4160-9f44-a62e5ca96ea2","title":"989 Sixth Avenue: A Column Lands on Its Base Plate","source_url":null,"note":"Drone view of a Barone crew guiding a steel column onto its base plate inside a concrete shaft at 989 Sixth Avenue, August 2025.","image":{"url":"https://ucarecdn.com/c1a2662a-6985-420a-b7a4-5b38b7035487/","alt":"989 Sixth Avenue: A Column Lands on Its Base Plate","width":3600,"height":2700},"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":"2026-09-11T14:05:59.951Z","updated_at":null,"aco":{"summary":"989 Sixth Avenue documents the installation of a structural column onto its base plate. The content appears to be a visual reference or case study of steel construction work at this New York City location.","tags":["column","base-plate","steel-construction","sixth-avenue","structural-engineering","installation"],"key_entities":[{"name":"989 Sixth Avenue","type":"location","confidence":0.95},{"name":"Barone Steel","type":"organization","confidence":0.85},{"name":"base plate installation","type":"concept","confidence":0.9},{"name":"structural column","type":"concept","confidence":0.9}],"classification":"reference","language":"en","confidence":0.85,"provenance":{"model":"claude-haiku-4-5","tool":"@stacklist/be@0.1.0","confidence":0.85,"timestamp":"2026-09-11T14:06:05.744Z"},"token_counts":{"approximate":21,"cl100k":23},"content_hash":"sha256:4e301c918478edd4f429cd6996058804f8f3de0f656d20f7cbccfa7fbaf4f86d","acp_version":"0.2","body_available":true,"body_tokens":21,"visibility":"public","agent_accessible":true,"status":"final"},"_links":{"self":"/api/public/card/ad91d421-d7f0-4160-9f44-a62e5ca96ea2.json","html":"https://stacklist.com/card/ad91d421-d7f0-4160-9f44-a62e5ca96ea2","md":"/api/public/card/ad91d421-d7f0-4160-9f44-a62e5ca96ea2.md","stack_json":"/api/public/stack/eedaf970-db2d-4c6c-b301-b7e447e7818a.json"}}