{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.hay-barrack","code":"thing-q743560","url":"https://ver.cy/models/thing/q743560/","name":"hay barrack","alternateNames":[],"kind":"thing","status":"published","version":"0.2.0-wave.4","language":"en","classifiers":{"family":"Thing Registry","category":"Physical world and living systems","entryKind":"thing","plane":"PHY","domain":["PHY.BLT"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"A simple agricultural structure for storing hay, consisting of a roof supported on four or more posts that can be raised or lowered to sit on top of the stack, with open sides, used from the Middle Ages in the Low Countries and Germany and carried by Dutch settlers to the Hudson Valley and New Jersey; hay barracks kept hay dry while allowing air to circulate and were cheaper than barns.","purpose":"Let an agent explain hay barracks and how they worked, relay history, regional forms and surviving examples from agricultural history sources, describe construction, and distinguish hay barracks from barns, hay sheds, haystacks and Dutch barns.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Adjustable roof","Open sides","Low cost","Dutch and German origin"],"structure":{"bundles":[{"id":"understand","name":"Understand","description":"What a hay barrack is.","layers":[{"id":"definition","name":"Definition","description":"Definition.","findings":[{"id":"definition-finding","name":"Definition","description":"Definition.","questions":[{"text":"What is a hay barrack, and how does it differ from a barn, hay shed, haystack and Dutch barn?","kind":"definition"},{"text":"Is the question about the structure, a region or a specific example?","kind":"boundary"}]}]},{"id":"construction","name":"Construction","description":"Construction.","findings":[{"id":"construction-finding","name":"Construction","description":"Construction.","questions":[{"text":"How are hay barracks built, and how is the roof raised and lowered?","kind":"definition"},{"text":"Which entry fits timber framing?","kind":"action"}]}]}]},{"id":"history","name":"History","description":"History.","layers":[{"id":"europe","name":"Europe","description":"Europe.","findings":[{"id":"europe-finding","name":"Europe","description":"Europe.","questions":[{"text":"How did hay barracks develop in the Low Countries and Germany?","kind":"provenance"},{"text":"Which references are standard?","kind":"provenance"}]}]},{"id":"america","name":"America","description":"America.","findings":[{"id":"america-finding","name":"America","description":"America.","questions":[{"text":"How did Dutch settlers bring hay barracks to the Hudson Valley and New Jersey?","kind":"provenance"},{"text":"Which sources are cited?","kind":"provenance"}]}]}]},{"id":"heritage","name":"Heritage","description":"Heritage.","layers":[{"id":"survivals","name":"Survivals","description":"Survivals.","findings":[{"id":"survivals-finding","name":"Survivals","description":"Survivals.","questions":[{"text":"Where do hay barracks survive, and how are they conserved?","kind":"provenance"},{"text":"Which entry fits open-air museum?","kind":"action"}]}]},{"id":"reconstruction","name":"Reconstruction","description":"Reconstruction.","findings":[{"id":"reconstruction-finding","name":"Reconstruction","description":"Reconstruction.","questions":[{"text":"How are hay barracks reconstructed for museums and farms?","kind":"provenance"},{"text":"Which entry fits vernacular architecture?","kind":"action"}]}]}]},{"id":"context","name":"Context","description":"Farming.","layers":[{"id":"hay","name":"Hay","description":"Hay.","findings":[{"id":"hay-finding","name":"Hay","description":"Hay.","questions":[{"text":"How was hay made and stored historically?","kind":"provenance"},{"text":"Which entry fits hay?","kind":"action"}]}]},{"id":"modern","name":"Modern","description":"Modern storage.","findings":[{"id":"modern-finding","name":"Modern","description":"Modern.","questions":[{"text":"How is hay stored today?","kind":"provenance"},{"text":"Which entry fits hay bale?","kind":"action"}]}]}]}]},"agentConduct":{"may":["Describe and date a hay barrack from its structure and regional type.","Relay its history in the Low Countries and in Dutch settlement areas from architectural sources."],"mustNot":["Confuse a hay barrack with an ordinary hay shed or barn.","Store damp hay under one, which can heat and catch fire.","Recommend dismantling or moving a surviving historic example without heritage consent.","Raise or lower the roof mechanism without checking its condition and clearing people away."],"requiresHuman":["Any alteration, relocation or demolition of a surviving example.","Operating the movable roof of a historic structure."]},"ethics":{"considerations":["Few original examples survive, and each loss removes evidence of a building tradition.","Stored hay can self-heat and cause fires that endanger farms and firefighters."],"affectedParties":["Owners and farm workers","Heritage bodies","Local communities"]},"owners":{"steward":"The owner of the farm; heritage authorities where the structure is listed.","roles":[],"masterSystems":["National heritage inventories"]},"relations":[{"target":"Q811979","type":"parent","note":"registry parent class"},{"target":"Q9158768","type":"parent","note":"registry parent class"},{"target":"built structure","type":"related","note":"in registry terms"},{"target":"storage","type":"related","note":"in registry terms"},{"target":"barn","type":"related","note":"an enclosed building"},{"target":"Low Countries","type":"related","note":"as the hooiberg"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.hay-barrack","Wikidata: Q743560 (https://www.wikidata.org/wiki/Q743560)"]},"properties":{"applicability":"required","items":["posts: 4-6 count","height: about 6-9 m","roof adjustment: pegs or winches note"]},"recognition":{"applicability":"required","items":["Adjustable roof on posts over a hay stack","Dutch hooiberg, German Heuberge, Hudson Valley hay barracks","Barns are enclosed; hay sheds have fixed roofs; haystacks are unroofed; Dutch barns are large timber barns","Four or five tall posts with a pyramidal or sloping roof that slides up and down."]},"capabilities":{"applicability":"required","items":["explain the structure","relay history and regions","describe construction","distinguish related structures"]},"hazards":{"applicability":"required","items":["Fire risk from damp hay","Confusing with hay sheds or barns","Loss of surviving examples"]},"interfaces":{"applicability":"required","items":["Heritage listing of surviving examples"]},"context":{"applicability":"required","items":["Storing hay under an adjustable roof.","Dutch hooibergen","German and Scandinavian forms","Hudson Valley and New Jersey hay barracks","modern reconstructions at open-air museums"]}},"sources":[{"title":"Wikidata item Q743560: hay barrack","url":"https://www.wikidata.org/wiki/Q743560","note":"identity and sense of the item"},{"title":"Wikipedia: Hay barrack","url":"https://en.wikipedia.org/wiki/Hay_barrack","note":"general description of the item"}],"openQuestions":["Should the Dutch hooiberg be a separate primary entry?","How should agricultural history sources be linked?","How should the registry record surviving examples?"],"resources":{"spec":"/models/things/publications/thing-q743560/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q743560/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-13T14:49:34Z","builder":"tools/build_cards.py@1.0.0"},"completeness":{"sections":{"classifiers":"filled","whatItIs":"filled","purpose":"filled","distinguishingFeatures":"filled","structure":"filled","agentConduct":"filled","ethics":"filled","owners":"filled","relations":"filled","interaction.identity":"filled","interaction.properties":"filled","interaction.recognition":"filled","interaction.capabilities":"filled","interaction.hazards":"filled","interaction.interfaces":"filled","interaction.context":"filled","sources":"filled"},"notes":{"_gate":"Published through the thing publication gate 1.0 on 2026-10-06T19:52:01+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass"},"score":1.0}}