{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.indian-filter-coffee","code":"thing-q6022264","url":"https://ver.cy/models/thing/q6022264/","name":"Indian filter coffee","alternateNames":[],"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":"Indian filter coffee is a beverage associated especially with South India, typically made by mixing a concentrated coffee infusion brewed in a gravity-fed metal filter with hot milk and sugar, using ground roasted coffee that may contain chicory.","purpose":"Enable an AI agent to recognise Indian filter coffee, assess a particular preparation, and choose preparation, adjustment or serving actions consistent with its recorded style and ingredients.","scope":{"in":["Beverage identity and the evidence supporting an Indian filter coffee designation","Coffee, optional chicory, water, milk and sweetener composition","Decoction characteristics and their contribution to the finished drink","Mixing, aeration, temperature and serving state","Preparation history, ingredient disclosure and observed quality"],"out":["Design, manufacture and maintenance of the coffee filter","Coffee cultivation, bean taxonomy and agricultural production","Milk production and dairy processing","Industrial manufacture of packaged coffee or chicory blends","Café operations and the wider history of coffee culture"],"boundaries":[]},"distinguishingFeatures":["Establish whether the drink is associated with an Indian filter coffee preparation tradition; the phrase 'filter coffee' alone does not distinguish it from other filtered coffees.","Record whether the coffee component was extracted as decoction using an Indian coffee filter, or produced through a substitute method such as instant dissolution or espresso extraction.","Distinguish concentrated decoction awaiting formulation from the beverage presented for consumption.","Check the recorded coffee or coffee-chicory blend and milk formulation without assuming that chicory, sugar or a particular milk proportion is universally required.","Treat a tumbler-and-dabara presentation or pouring between vessels as supporting preparation evidence rather than sufficient proof of beverage identity."],"structure":{"bundles":[{"id":"beverage-identity","name":"Beverage identity","description":"Establishes what the Indian filter coffee designation means for the preparation being modelled.","layers":[{"id":"style-and-designation","name":"Style and designation","description":"Records the claimed preparation tradition and the evidence used to interpret it.","findings":[{"id":"declared-style","name":"Declared style","description":"Keep style-specific expectations attached to a named recipe, practitioner or documented convention.","questions":[{"text":"Which regional, household or establishment style is this preparation intended to represent?","id":"declared-style-q01","kind":"definition"},{"text":"What recipe, practitioner account or other source supports that designation?","id":"declared-style-q02","kind":"provenance"}]}]},{"id":"preparation-boundaries","name":"Preparation boundaries","description":"Separates the served beverage from its intermediate decoction and from alternative coffee preparations.","findings":[{"id":"decoction-and-substitutes","name":"Decoction and substitutes","description":"Identify the material's stage and the method that produced its coffee component before assigning a beverage classification.","questions":[{"text":"Is this item decoction awaiting mixing or a drink intended to be consumed in its current formulation?","id":"decoction-and-substitutes-q01","kind":"boundary"},{"text":"Was its coffee component produced in an Indian coffee filter, and how should any alternative method affect the recorded designation?","id":"decoction-and-substitutes-q02","kind":"boundary"}]}]}]},{"id":"blend-and-decoction","name":"Blend and decoction","description":"Captures the dry blend and extraction conditions that supply the beverage's coffee component.","layers":[{"id":"dry-blend","name":"Dry blend","description":"Records the coffee material, any chicory and the grind used for extraction.","findings":[{"id":"blend-specification","name":"Blend specification","description":"Record known blend properties and distinguish labelled composition from assumptions based on taste or appearance.","questions":[{"text":"What coffee material, roast description and chicory percentage are documented for the dry blend?","id":"blend-specification-q01","kind":"provenance"},{"text":"What grind specification and dry blend mass were used in this extraction?","id":"blend-specification-q02","kind":"measurement"}]}]},{"id":"filter-extraction","name":"Filter extraction","description":"Connects filter configuration, water input and collection history to the resulting decoction.","findings":[{"id":"decoction-production-record","name":"Decoction production record","description":"Describe the observed extraction without imposing a universal dose, duration or yield.","questions":[{"text":"What filter configuration, loading procedure, water volume and water temperature were used?","id":"decoction-production-record-q01","kind":"measurement"},{"text":"How much decoction was collected over what duration, and were successive collections kept separate or combined?","id":"decoction-production-record-q02","kind":"measurement"},{"text":"Which extraction variable should be changed first when the resulting drink misses its recorded intensity or sediment target?","id":"decoction-production-record-q03","kind":"action"}]}]}]},{"id":"drink-formulation","name":"Drink formulation","description":"Models how decoction, milk or substitutes, water and sweeteners become a particular serving.","layers":[{"id":"milk-and-dilution","name":"Milk and dilution","description":"Records the identity, quantity and preparation state of ingredients that dilute or enrich the decoction.","findings":[{"id":"serving-composition","name":"Serving composition","description":"Make each serving's formulation explicit, including omissions and substitutions.","questions":[{"text":"What volumes of decoction, milk or substitute, and additional water are included in the serving?","id":"serving-composition-q01","kind":"measurement"},{"text":"What milk or substitute was used, and what heating or other preparation did it undergo before mixing?","id":"serving-composition-q02","kind":"provenance"},{"text":"Does the declared style accommodate this formulation, or should the preparation be recorded as an adaptation?","id":"serving-composition-q03","kind":"boundary"}]}]},{"id":"sweetness-and-balance","name":"Sweetness and balance","description":"Relates added sweetener and ingredient proportions to the intended sensory result.","findings":[{"id":"formulation-adjustment","name":"Formulation adjustment","description":"Use measured additions and stated preferences to guide changes instead of assuming a single correct sweetness or strength.","questions":[{"text":"Which sweetener, if any, was added, in what quantity and at which mixing stage?","id":"formulation-adjustment-q01","kind":"measurement"},{"text":"What change to sweetener or milk-to-decoction ratio would move this serving toward the requested balance?","id":"formulation-adjustment-q02","kind":"action"}]}]}]},{"id":"serving-and-condition","name":"Serving and condition","description":"Records the drink's final handling, presentation and observable condition.","layers":[{"id":"pouring-and-presentation","name":"Pouring and presentation","description":"Captures mixing or aerating pours, serving vessels and their observed outcomes.","findings":[{"id":"finished-serving-state","name":"Finished serving state","description":"Record vessel and pouring choices alongside measured temperature and observed foam rather than treating presentation as proof of identity.","questions":[{"text":"Was the drink poured between vessels, and what vessel arrangement and pouring sequence were used?","id":"finished-serving-state-q01","kind":"provenance"},{"text":"What were the serving temperature, foam condition and visible sediment after the final pour?","id":"finished-serving-state-q02","kind":"measurement"},{"text":"Should the drink be mixed further, allowed to cool or served now to meet the recorded serving preference?","id":"finished-serving-state-q03","kind":"action"}]}]},{"id":"holding-and-disclosure","name":"Holding and disclosure","description":"Connects the histories of decoction and milk-containing drink to handling decisions and ingredient communication.","findings":[{"id":"preparation-history-and-use","name":"Preparation history and use","description":"Preserve separate histories for stored decoction and the mixed beverage, with unknown conditions explicitly recorded.","questions":[{"text":"When were the decoction and finished beverage prepared, and what holding temperatures or reheating events are documented for each?","id":"preparation-history-and-use-q01","kind":"provenance"},{"text":"Under the applicable food-handling policy, does that history support serving, continued holding or disposal?","id":"preparation-history-and-use-q02","kind":"action"},{"text":"Which recorded ingredients or substitutions must be disclosed to meet the recipient's stated dietary requirements?","id":"preparation-history-and-use-q03","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 Indian filter coffee this model covers, and on what evidence?","id":"evidence-confidence-notes-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 Indian filter coffee 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 Indian filter coffee 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 Indian filter coffee 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 Indian filter coffee this model covers, and on what evidence?","id":"evidence-neighbours-q01","kind":"provenance"}]}]}]}]},"agentConduct":{"may":["Describe Indian filter coffee and its South Indian serving tradition.","Report whether a coffee powder contains chicory, and in what share, from its label."],"mustNot":["Sell a coffee-chicory blend as pure coffee.","Serve it scalding hot to a child or someone who cannot handle hot drinks safely.","Serve it with milk to someone with a known or declared milk allergy, even with an allergen warning.","Present caffeine content as negligible to a person who asked to avoid caffeine."],"requiresHuman":["Recommending coffee to someone advised by a clinician to limit caffeine."]},"ethics":{"considerations":["Honest labelling of chicory blends protects buyers and small roasters.","Filter coffee is part of South Indian household and cafe culture and deserves accurate credit."],"affectedParties":["Coffee drinkers","Coffee growers and roasters","People sensitive to caffeine"]},"owners":{"steward":"The cafe or household that brews it; food standards authorities regulate labelling of blends.","roles":[],"masterSystems":[]},"relations":[{"target":"Q37756327","type":"parent","note":"registry parent class"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.indian-filter-coffee","Wikidata: Q6022264 (https://www.wikidata.org/wiki/Q6022264)"]},"properties":{"applicability":"required","items":["Declared preparation style: Recorded regional, household, establishment or product style; unspecified","Coffee component production method: Indian coffee filter extraction; other filter extraction; espresso extraction; instant dissolution; other; unknown","Chicory fraction in dry blend: % by mass of dry coffee-chicory blend; unknown","Extraction input ratio: g dry blend per mL brewing water","Decoction yield: mL collected per extraction, with dry blend mass recorded","Milk-to-decoction ratio: mL milk or declared substitute per mL decoction; 0 when absent","Milk ingredient identity: Declared milk type or substitute, product composition where known, absent or unknown","Added sweetener quantity: g per serving, with sweetener identity; 0 when absent","Serving temperature: °C measured at a recorded time","Preparation and holding history: Extraction and mixing timestamps, elapsed holding time, measured storage conditions and reheating events; unknown where unrecorded","Sensory condition: Recorded coffee intensity, bitterness, sweetness, milk balance, aroma, sediment and foam observations"]},"recognition":{"applicability":"required","items":["Frothy milky coffee served in a small steel tumbler set in a wide steel bowl called a dabarah.","Often poured back and forth between tumbler and bowl to cool and froth it.","A two-part cylindrical metal filter used to brew the concentrate."]},"capabilities":{"applicability":"required","items":["Assess whether a preparation matches a declared Indian filter coffee style and identify uncertain or substituted elements.","Scale a recorded recipe while preserving its extraction and milk-to-decoction ratios.","Trace an overly weak, bitter or sediment-heavy serving to recorded blend, extraction or mixing variables.","Adjust milk, decoction or sweetener quantities toward a stated sensory preference.","Disclose recorded ingredients and substitutions before serving.","Evaluate serving or holding options against preparation history and an applicable food-handling policy."]},"hazards":{"applicability":"required","items":["Scalds from very hot coffee and milk.","Mislabelled chicory content.","Excess caffeine for sensitive people."]},"interfaces":{"applicability":"required","items":["General Standard for the Labelling of Prepackaged Foods, Codex Alimentarius Commission (FAO/WHO)."]},"context":{"applicability":"required","items":["Indian filter coffee is served especially in South Indian homes, restaurants and coffee establishments as an everyday beverage and an expression of hospitality.","Its preparation and serving style provide a context for assessing coffee strength, milk balance, sweetness and regional preferences."]}},"sources":[{"title":"Wikidata item Q6022264: Indian filter coffee","url":"https://www.wikidata.org/wiki/Q6022264","note":"identity and sense of the item"},{"title":"Wikipedia: Indian filter coffee","url":"https://en.wikipedia.org/wiki/Indian_filter_coffee","note":"general description of the item"}],"openQuestions":["Which researched preparation traditions establish the minimum identity criteria for Indian filter coffee, and how do they treat milk-free or chicory-free variants?","When are drinks made with alternative extraction equipment or instant products recognised as Indian filter coffee adaptations rather than separate preparations?","Which measurements best support reproducible decoction strength comparisons when coffee-chicory composition varies?","What documented sensory ranges, if any, distinguish specific regional or establishment styles without imposing one universal recipe?","Which jurisdiction-specific handling guidance applies to stored decoction and the finished milk-containing beverage?"],"resources":{"spec":"/models/things/publications/thing-q6022264/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q6022264/spec.json"],"providers":["Codex"],"researchStatus":"unreviewed","generatedAt":"2026-09-12T10:27:58Z","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 2026-10-07T12:16:33+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass"},"score":1.0}}