{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.ham-sandwich","code":"thing-q2220900","url":"https://ver.cy/models/thing/q2220900/","name":"ham sandwich","alternateNames":["butifarra"],"kind":"thing","status":"published","version":"0.1.0-research.1","language":"en","classifiers":{"family":"Thing Registry","category":"Physical world and living systems","entryKind":"thing","plane":"PHY","domain":["PHY.MAT"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"A ham sandwich is a prepared food consisting of bread with ham as a principal filling or topping, optionally accompanied by other ingredients.","purpose":"Help an agent recognise a ham sandwich, assess its composition and condition, and determine appropriate preparation, serving and handling actions.","scope":{"in":["Bread and ham components and their arrangement as a sandwich","Additional fillings, spreads and condiments","Portion size, assembly integrity and eating qualities","Preparation, packaging and storage history of the assembled item","Ingredient disclosures and suitability for a stated eater or use"],"out":["Pig farming, slaughter and the manufacture of ham","Bread production and standalone bread classification","Recipes as instructions independent of an actual sandwich","Restaurant operations, menus and sales transactions","The eater's medical assessment or overall dietary plan"],"boundaries":[]},"distinguishingFeatures":["Ham functions as a filling or defining topping of an assembled bread-based food, rather than merely appearing beside bread on a plate.","The filling must be identified as ham; bacon, other sliced meats and unspecified luncheon meat do not establish that identity by appearance alone.","A ham sandwich remains identifiable when cheese, vegetables or condiments are added, provided ham retains a defining role.","Conventional sliced-bread sandwiches and filled rolls can be described directly; open-faced forms, wraps and ham-substitute versions require an explicit naming convention."],"structure":{"bundles":[{"id":"ham-sandwich-identity","name":"Ham sandwich identity","description":"Establishes why the assembled food is called a ham sandwich and where that classification stops.","layers":[{"id":"bread-based-format","name":"Bread-based format","description":"Describes the bread structure that contains or supports the filling.","findings":[{"id":"sandwich-format-boundary","name":"Sandwich format boundary","description":"Record the actual bread arrangement and the naming convention used for borderline forms.","questions":[{"text":"Is the ham between bread pieces, inside split bread, or on an exposed bread base?","id":"sandwich-format-boundary-q01","kind":"definition"},{"text":"Does the applicable naming convention include this open-faced or alternative bread format as a ham sandwich?","id":"sandwich-format-boundary-q02","kind":"boundary"}]}]},{"id":"defining-ham-filling","name":"Defining ham filling","description":"Establishes the filling's identity and its role in naming the sandwich.","findings":[{"id":"ham-identity-evidence","name":"Ham identity evidence","description":"Keep the ingredient's declared identity separate from assumptions based on appearance or menu wording.","questions":[{"text":"What label, recipe or preparation record identifies the filling as ham?","id":"ham-identity-evidence-q01","kind":"provenance"},{"text":"Is ham a defining filling, an incidental addition, or a substitute marketed with a qualification?","id":"ham-identity-evidence-q02","kind":"boundary"}]}]}]},{"id":"bread-ham-and-additions","name":"Bread, ham and additions","description":"Records the components actually present and the evidence behind their descriptions.","layers":[{"id":"principal-components","name":"Principal components","description":"Describes the bread and ham used in the particular sandwich.","findings":[{"id":"bread-and-ham-specification","name":"Bread and ham specification","description":"Record bread type and the ham product's declared origin and processing characteristics without inferring them from the sandwich name.","questions":[{"text":"Which bread and ham products were used, including any declared curing, smoking or cooking description?","id":"bread-and-ham-specification-q01","kind":"definition"},{"text":"Which ingredient labels or preparation records substantiate those descriptions?","id":"bread-and-ham-specification-q02","kind":"provenance"}]}]},{"id":"extras-and-disclosures","name":"Extras and disclosures","description":"Captures additions, substitutions and ingredient information needed for a particular eater.","findings":[{"id":"actual-ingredient-inventory","name":"Actual ingredient inventory","description":"Describe what was included in this sandwich, including ingredients within spreads and composite fillings when relevant.","questions":[{"text":"Which cheese, vegetables, spreads or condiments are present, and which requested substitutions were made?","id":"actual-ingredient-inventory-q01","kind":"definition"},{"text":"What ingredient and preparation evidence is available to check the eater's stated restrictions, including possible cross-contact?","id":"actual-ingredient-inventory-q02","kind":"action"}]}]}]},{"id":"portion-and-assembly","name":"Portion and assembly","description":"Describes the sandwich as a portioned, layered food that must remain usable during handling and eating.","layers":[{"id":"portion-boundaries","name":"Portion boundaries","description":"Defines the complete sandwich and its subdivisions.","findings":[{"id":"sandwich-serving-unit","name":"Sandwich serving unit","description":"Distinguish a whole sandwich from halves, quarters, multipacks and accompanying foods.","questions":[{"text":"Does the recorded item represent a whole sandwich, one cut piece, or several sandwiches?","id":"sandwich-serving-unit-q01","kind":"boundary"},{"text":"What is the edible mass of that unit, excluding its wrapper and side dishes?","id":"sandwich-serving-unit-q02","kind":"measurement"}]}]},{"id":"layered-structure","name":"Layered structure","description":"Describes how bread, ham and additions are distributed and retained.","findings":[{"id":"filling-retention","name":"Filling retention","description":"Record filling coverage, slipping, leakage and structural weaknesses that affect serving.","questions":[{"text":"How evenly does ham cover the bread, and do wet or bulky additions cause slipping or leakage?","id":"filling-retention-q01","kind":"measurement"},{"text":"What cutting, wrapping or plating arrangement will keep the intended portion together?","id":"filling-retention-q02","kind":"action"}]}]}]},{"id":"preparation-and-condition","name":"Preparation and condition","description":"Connects assembly and heating history with the sandwich's observed eating qualities.","layers":[{"id":"assembly-and-heating-history","name":"Assembly and heating history","description":"Records when and how the ingredients became the current sandwich.","findings":[{"id":"preparation-sequence","name":"Preparation sequence","description":"Distinguish component preparation from treatment of the assembled sandwich.","questions":[{"text":"When was the sandwich assembled, and which ingredients were heated or toasted before or after assembly?","id":"preparation-sequence-q01","kind":"provenance"},{"text":"What further preparation does the intended serving method require, given the actual component instructions?","id":"preparation-sequence-q02","kind":"action"}]}]},{"id":"bread-filling-interface","name":"Bread-filling interface","description":"Assesses changes where ham, spreads and other fillings contact bread.","findings":[{"id":"texture-and-moisture-condition","name":"Texture and moisture condition","description":"Record sogginess, drying, compression and filling condition as observations tied to time.","questions":[{"text":"Is the bread soggy near fillings, dry at exposed edges, or compressed by storage and packaging?","id":"texture-and-moisture-condition-q01","kind":"measurement"},{"text":"Do the observed texture and filling condition meet the intended serving quality, or require replacement?","id":"texture-and-moisture-condition-q02","kind":"action"}]}]}]},{"id":"storage-and-service-decisions","name":"Storage and service decisions","description":"Organises the evidence needed to handle, serve or discard the assembled sandwich.","layers":[{"id":"assembled-food-history","name":"Assembled food history","description":"Tracks storage and exposure after assembly alongside relevant component history.","findings":[{"id":"time-temperature-and-packaging","name":"Time, temperature and packaging","description":"Retain known storage intervals, temperature observations, wrapper condition and gaps in the record.","questions":[{"text":"What storage temperatures and exposure durations are documented for the sandwich and its ham before assembly?","id":"time-temperature-and-packaging-q01","kind":"measurement"},{"text":"Was its wrapper intact, opened or damaged, and what handling history remains unknown?","id":"time-temperature-and-packaging-q02","kind":"provenance"}]}]},{"id":"evidence-based-disposition","name":"Evidence-based disposition","description":"Relates observed condition and recorded history to applicable handling instructions.","findings":[{"id":"serve-store-or-discard","name":"Serve, store or discard","description":"Base disposition on documented requirements and history; keep sensory quality observations distinct from safety evidence.","questions":[{"text":"Which product instructions or applicable food-handling guidance govern this sandwich's ingredients and service setting?","id":"serve-store-or-discard-q01","kind":"provenance"},{"text":"Given those requirements and any missing history, is serving, continued storage, further preparation or disposal supported?","id":"serve-store-or-discard-q02","kind":"action"}]}]}]},{"id":"evidence-and-external-alignment","name":"Evidence and external alignment","description":"What the world already says about this thing, gathered so the model can be checked against it.","layers":[{"id":"reported-evidence","name":"Reported evidence","description":"Findings from the breadth pass, kept separate from the structural claims.","findings":[{"id":"evidence-confidence-notes","name":"Check these first","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these check these first hold for the sense of ham sandwich this model covers, and on what evidence?","id":"evidence-confidence-notes-q01","kind":"provenance"}]},{"id":"evidence-kinds","name":"Kinds and varieties","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these kinds and varieties hold for the sense of ham sandwich this model covers, and on what evidence?","id":"evidence-kinds-q01","kind":"provenance"}]},{"id":"evidence-real-world-use","name":"Real-world use","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these real-world use hold for the sense of ham sandwich this model covers, and on what evidence?","id":"evidence-real-world-use-q01","kind":"provenance"}]},{"id":"evidence-failure-modes-and-hazards","name":"Failure modes and hazards","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these failure modes and hazards hold for the sense of ham sandwich this model covers, and on what evidence?","id":"evidence-failure-modes-and-hazards-q01","kind":"provenance"}]},{"id":"evidence-regional-variation","name":"Regional variation","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these regional variation hold for the sense of ham sandwich this model covers, and on what evidence?","id":"evidence-regional-variation-q01","kind":"provenance"}]},{"id":"evidence-neighbours","name":"Neighbouring kinds and how to tell them apart","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these neighbouring kinds and how to tell them apart hold for the sense of ham sandwich this model covers, and on what evidence?","id":"evidence-neighbours-q01","kind":"provenance"}]}]}]}]},"agentConduct":{"may":["Prepare and serve ham sandwiches following hygiene and allergen rules.","Report ingredients and allergens such as gluten and mustard."],"mustNot":["Serve a ham sandwich to someone whose religion or diet forbids pork.","Present it as halal, kosher or vegetarian.","Serve sandwiches left unrefrigerated too long.","Hide allergens."],"requiresHuman":["Feeding people with medical diets."]},"ethics":{"considerations":["Pork is forbidden in some faiths; mistakes can deeply offend.","Cold meats carry food poisoning risks for vulnerable people."],"affectedParties":["People who eat it","Religious eaters","Pregnant people"]},"owners":{"steward":"The person or business that makes it; food safety authorities set the rules for sale.","roles":[],"masterSystems":[]},"relations":[{"target":"Q129175425","type":"parent","note":"registry parent class"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.ham-sandwich","Wikidata: Q2220900 (https://www.wikidata.org/wiki/Q2220900)"]},"properties":{"applicability":"required","items":["Bread format: sliced bread | split roll | baguette section | open-faced base | other | unknown","Ham identity: declared product name, animal origin and processing description; unknown permitted","Additional components: links to actual fillings, spreads, condiments and garnishes, with omission or substitution records","Portion mass: g, specifying whether packaging and accompaniments are excluded","Bread and filling distribution: coverage, filling thickness, overhang and distribution across portions","Preparation state: assembled cold | toasted bread | heated assembled sandwich | other; preparation time if known","Temperature history: °C with timestamps, measurement location and known gaps","Bread and filling condition: bread texture, moisture migration, filling appearance, odour observations and visible deterioration","Ingredient disclosure evidence: links to labels, recipes, supplier records and preparation statements"]},"recognition":{"applicability":"required","items":["Slices or pieces of ham form a principal filling between bread portions or a topping on an open bread base.","The ham commonly appears pink with pale fat, although appearance varies with curing and cooking.","Other cured meats can resemble ham, so visual inspection alone cannot confirm the meat species or exact filling."]},"capabilities":{"applicability":"required","items":["Identify the sandwich's format and distinguish it from adjacent ham-containing foods.","Inspect its actual bread, ham and additions against an order or declared recipe.","Portion, wrap or plate it according to its structure and intended service.","Select storage, heating or disposal actions using ingredient-specific requirements and documented handling history.","Assess compatibility with stated ingredient restrictions while flagging unknown ingredients or cross-contact.","Record substitutions and preparation changes that alter its identity or condition."]},"hazards":{"applicability":"required","items":["Contamination or unsuitable storage can allow foodborne pathogens to make the sandwich unsafe.","Bread, condiments and additional fillings can contain allergens that are not apparent from appearance.","Cross-contact during preparation can introduce undeclared allergens or unwanted ingredients."]},"interfaces":{"applicability":"required","items":["The General Principles of Food Hygiene (CXC 1-1969), issued by the Codex Alimentarius Commission, provide hygiene principles applicable to preparing and handling ham sandwiches.","The General Standard for the Labelling of Prepackaged Foods (CXS 1-1985), issued by the Codex Alimentarius Commission, applies when ham sandwiches are sold as prepackaged food."]},"context":{"applicability":"required","items":["A ham sandwich is prepared in homes, cafes and catering settings as a convenient meal or snack.","It is commonly served for lunches, packed meals and buffets, with bread, condiments and additional fillings varying by preference."]}},"sources":[{"title":"Wikidata item Q2220900: ham sandwich","url":"https://www.wikidata.org/wiki/Q2220900","note":"identity and sense of the item"},{"title":"Wikipedia: Ham sandwich","url":"https://en.wikipedia.org/wiki/Ham_sandwich","note":"general description of the item"}],"openQuestions":["Does the registry intend to include open-faced ham sandwiches, wraps and other borderline formats within this entry?","How should poultry ham and plant-based ham substitutes be named and related to the unqualified ham sandwich concept?","Which existing Vercy models own reusable bread, ham, ingredient-disclosure and prepared-food handling concepts?","Which authoritative handling sources apply across the intended jurisdictions and service settings?","Should named variants such as ham-and-cheese sandwiches remain configurations of this entry or link to separately registered things?"],"resources":{"spec":"/models/things/publications/thing-q2220900/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q2220900/spec.json"],"providers":["Codex"],"researchStatus":"unreviewed","generatedAt":"2026-09-12T10:11:04Z","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 2026-10-07T10:10:28+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass"},"score":1.0}}