{"version":"1.0","type":"card","id":"841effa8-aa8f-4608-874d-70794e8e309a","url":"https://stacklist.com/card/841effa8-aa8f-4608-874d-70794e8e309a","title":"Mailbox No.3","source_url":null,"note":"Step-by-step guide to building a slimmer mailbox base with RumbleStone® blocks, with a 17.5\" W x 21\" H stone base around a 4x4 mailbox post. Includes a full piece count with Home Depot SKUs for Café, Sierra Blend, and GreyStone colors, and a 9-step visual build sequence.\n","image":{"url":"https://ucarecdn.com/19bc3716-41b1-4bfe-a532-500849a4a0fb/","alt":"Mailbox No.3","width":2880,"height":1800},"stack":{"id":"48af2fdd-a34c-4257-a0fc-5f7790da4b23","title":"RumbleStone","url":"https://stacklist.com/stack/48af2fdd-a34c-4257-a0fc-5f7790da4b23"},"created_at":"2026-07-16T15:33:03.586Z","updated_at":null,"aco":{"summary":"Mailbox No. 3 is a RumbleStone project building instruction guide for constructing a decorative mailbox post using stacked stone blocks. The project requires specific stone pieces in various colors, a 4'x4' post, and construction adhesive, with dimensions of 21\" height and 17.5\" width.","tags":["rumblestone","mailbox","diy-project","building-instructions","home-improvement","landscape-design","stone-construction"],"key_entities":[{"name":"RumbleStone","type":"technology","confidence":0.95},{"name":"Home Depot","type":"organization","confidence":0.9},{"name":"mailbox post","type":"concept","confidence":0.85},{"name":"construction adhesive","type":"concept","confidence":0.8}],"classification":"tutorial","language":"en","confidence":0.85,"provenance":{"model":"claude-haiku-4-5","tool":"@stacklist/be@0.1.0","confidence":0.85,"timestamp":"2026-09-23T10:41:20.370Z"},"token_counts":{"approximate":309,"cl100k":369},"content_hash":"sha256:464c3ab9d7a3e2e784b026be95a2f3dc9ffa747728e11d5beb4b13b394114451","acp_version":"0.2","body_available":true,"body_tokens":309,"visibility":"public","agent_accessible":true,"status":"final"},"_links":{"self":"/api/public/card/841effa8-aa8f-4608-874d-70794e8e309a.json","html":"https://stacklist.com/card/841effa8-aa8f-4608-874d-70794e8e309a","md":"/api/public/card/841effa8-aa8f-4608-874d-70794e8e309a.md","stack_json":"/api/public/stack/48af2fdd-a34c-4257-a0fc-5f7790da4b23.json"}}