{ "model": { "rank": 10931, "code": "thing-q723912", "model_id": "vr.tr.freeze-drying", "name": "freeze-drying", "purpose": "Let an agent explain freeze-drying, relay principles, stages, equipment and applications from food science and pharmaceutical sources, describe the named alias as a related technique, and distinguish freeze-drying from air drying, spray drying, freezing alone and freeze substitution.", "family": "Thing Registry", "category": "Activities and processes", "status": "research-draft", "kind": "thing", "plane": "ACT", "domain": "ACT.PRC", "industry": "", "version": "", "url": "/models/thing/q723912/", "tier": 2, "score": 43, "payload": { "layer": "wikidata", "aliases": [ "freeze substitution" ], "aliasCount": 1, "merged": 1, "knownIn": 43, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": null, "source": { "dataset": "wikidata", "item": "Q723912", "url": "https://www.wikidata.org/wiki/Q723912", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-13T23:07:57Z", "providers": [ "Claude" ], "breadth": "written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify", "pass": 2, "wave": 4, "engine": "claude" }, "metaModel": { "id": "THING-Q723912", "registryId": "vr.tr.freeze-drying", "name": "freeze-drying", "version": "0.2.0-wave.4", "entryKind": "thing", "family": "Thing Registry", "domain": [ "ACT.PRC" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q723912/", "model": { "registry_id": "vr.tr.freeze-drying", "name": "freeze-drying", "purpose": "Let an agent explain freeze-drying, relay principles, stages, equipment and applications from food science and pharmaceutical sources, describe the named alias as a related technique, and distinguish freeze-drying from air drying, spray drying, freezing alone and freeze substitution.", "definition": "A low-temperature dehydration process, also called lyophilisation, in which a product is frozen, the pressure lowered and ice removed by sublimation, then remaining bound water removed by desorption, preserving structure, flavour and activity, used for foods such as instant coffee and astronaut and camping meals, pharmaceuticals including vaccines and biologics, laboratory samples and museum conservation; the registry alias freeze substitution names a related technique in electron microscopy in which ice in frozen samples is replaced by organic solvent, not a drying method for products. Freeze-dried foods are lightweight and shelf-stable when sealed, and pharmaceutical lyophilisation is controlled under good manufacturing practice.", "what_it_is_for": "Preserving materials by removing water at low temperature.", "affordances": [ "explain principles and stages", "relay equipment and applications", "describe the related technique", "distinguish other drying methods" ], "distinguishing_features": [ "Sublimation", "Vacuum", "Structure preservation", "Long shelf life" ], "appearance": "Light, porous, dry products; laboratory and industrial freeze-dryers with vacuum chambers.", "visual_identification": [ "Drying by freezing and sublimation", "Freeze substitution, lyophilisation, cryodesiccation", "Air drying uses heat and airflow; spray drying atomises liquids; freezing keeps water; freeze substitution prepares microscopy samples" ], "physical_properties": [ { "quantity": "stages", "typical_range": "freezing, primary drying, secondary drying", "unit": "list", "note": "" }, { "quantity": "residual moisture", "typical_range": "often about 1-4", "unit": "percent", "note": "depends on product" }, { "quantity": "instant coffee freeze-drying", "typical_range": "from the 1960s", "unit": "note", "note": "commercial scale" } ], "families_and_kinds": [ "food freeze-drying", "pharmaceutical lyophilisation", "laboratory freeze-drying", "conservation freeze-drying", "home freeze-dryers" ], "related_models": [ { "relation": "is a kind of", "target": "food drying", "why": "in registry terms" }, { "relation": "relies on", "target": "sublimation", "why": "" }, { "relation": "is used for", "target": "vaccine", "why": "some products" }, { "relation": "is contrasted with", "target": "spray drying", "why": "" } ], "identifiers": [], "standards_and_regulation": [ "Good Manufacturing Practice for pharmaceuticals", "Food safety rules for dried foods" ], "failure_modes_and_hazards": [ "Product collapse if temperature too high", "Moisture uptake after opening", "Assuming freeze-drying kills pathogens" ], "in_scope": [], "out_of_scope": [], "characteristics": [] }, "sources": [], "structure": { "bundles": [ { "id": "understand", "name": "Understand", "description": "What freeze-drying is.", "rationale": "Science.", "layers": [ { "id": "definition", "name": "Definition", "description": "Definition.", "findings": [ { "id": "definition-finding", "name": "Definition", "description": "Definition.", "questions": [ { "text": "What is freeze-drying, and how does it differ from air drying, spray drying, freezing and freeze substitution?", "kind": "definition" }, { "text": "Is the question about food at home, pharmaceuticals, laboratory work or conservation?", "kind": "boundary" } ] } ] }, { "id": "substitution", "name": "Freeze substitution", "description": "Freeze substitution.", "findings": [ { "id": "substitution-finding", "name": "Freeze substitution", "description": "Freeze substitution.", "questions": [ { "text": "What is freeze substitution in electron microscopy?", "kind": "definition" }, { "text": "Which entry fits cryo-electron microscopy?", "kind": "action" } ] } ] } ] }, { "id": "process", "name": "Process", "description": "Process.", "rationale": "Science.", "layers": [ { "id": "stages", "name": "Stages", "description": "Stages.", "findings": [ { "id": "stages-finding", "name": "Stages", "description": "Stages.", "questions": [ { "text": "What happens in freezing, primary drying and secondary drying?", "kind": "provenance" }, { "text": "Which references are standard?", "kind": "provenance" } ] } ] }, { "id": "collapse", "name": "Collapse temperature", "description": "Collapse temperature.", "findings": [ { "id": "collapse-finding", "name": "Collapse temperature", "description": "Collapse temperature.", "questions": [ { "text": "Why must products stay below collapse temperature during drying?", "kind": "measurement" }, { "text": "Which sources are cited?", "kind": "provenance" } ] } ] } ] }, { "id": "applications", "name": "Applications", "description": "Applications.", "rationale": "Regulation.", "layers": [ { "id": "pharma", "name": "Pharmaceuticals", "description": "Pharmaceuticals.", "findings": [ { "id": "pharma-finding", "name": "Pharmaceuticals", "description": "Pharmaceuticals.", "questions": [ { "text": "Why are many vaccines and biologics freeze-dried?", "kind": "provenance" }, { "text": "Which entry fits lyophilization in pharmaceuticals?", "kind": "action" } ] } ] }, { "id": "food", "name": "Food", "description": "Food.", "findings": [ { "id": "food-finding", "name": "Food", "description": "Food.", "questions": [ { "text": "How are freeze-dried foods made and stored safely?", "kind": "provenance" }, { "text": "Which entry fits space food?", "kind": "action" } ] } ] } ] }, { "id": "context", "name": "Context", "description": "History and conservation.", "rationale": "Context.", "layers": [ { "id": "chuno", "name": "Chuno", "description": "Andean freeze-dried potatoes.", "findings": [ { "id": "chuno-finding", "name": "Chuno", "description": "Chuno.", "questions": [ { "text": "How did Andean peoples make chuno by natural freeze-drying?", "kind": "provenance" }, { "text": "Which entry fits chuno?", "kind": "action" } ] } ] }, { "id": "conservation", "name": "Conservation", "description": "Flood-damaged documents.", "findings": [ { "id": "conservation-finding", "name": "Conservation", "description": "Conservation.", "questions": [ { "text": "How is freeze-drying used to save water-damaged books and archaeological wood?", "kind": "provenance" }, { "text": "Which entry fits paper conservation?", "kind": "action" } ] } ] } ] } ] }, "openQuestions": [ "The registry alias freeze substitution should be moved to electron microscopy entries", "Should pharmaceutical lyophilisation be a separate entry?", "How should process standards be linked?" ], "statistics": { "bundles": 4, "layers": 8, "findings": 8, "questions": 16 } }, "draft": { "generator": "vr.draft.v3", "status": "draft-generated", "researched": false, "archetype": "abstract concept", "method": "Written from the archetype playbook - what this kind of thing needs beyond identity and provenance - and from the structure that recurred across 6,333 models already researched by two engines. Applied to this entry by rule. No source was read for this thing and no claim here is researched. This entry carries no facets of its own, so they were inferred from its domain - a guess about a whole domain applied to one thing.", "facetsInferred": true, "nextPass": "A researcher replaces this draft with a sourced specification. Treat every sentence below as a proposal to argue with.", "purpose": "Give an agent a durable, checkable way to recognise a freeze-drying, record what state it is in, and decide what may be done with it.", "whatItIs": "Let an agent explain freeze-drying, relay principles, stages, equipment and applications from food science and pharmaceutical sources, describe the named alias as a related technique, and distinguish freeze-drying from air drying, spray drying, freezing alone and freeze substitution.", "characteristics": { "substance": "activity", "origin": "conceptual", "agency": "inert" }, "whatYouCanDoWithIt": [ "observed and measured" ], "distinguishingFeatures": [ "Names folded into this entry, which a task may need to split apart again: freeze substitution.", "1 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 43 Wikipedia languages, which is a measure of how widely the thing is known, not of how important it is." ], "openQuestionsForResearch": [ "Which of the bundles below does a real task actually need, and which are ceremony?", "What does this thing have that the facets do not capture at all?", "Which neighbouring kind is most often confused with a freeze-drying, and on what evidence are they told apart?" ], "whatItIsMadeOf": "something that happens over time", "physicalCharacter": [ "Does nothing on its own; everything it does, something else did to it.", "These come from the domain this entry sits in rather than from the entry itself, so treat them as a first guess about the whole domain applied to one thing." ], "whatCanBeDoneWithIt": [ "observe it, measure it, record its state" ], "howItIsRecognised": [ "Nothing to see. What is recognised is an instance of it, and which instances count is exactly what is argued about." ], "relatedModels": [ { "relation": "covers", "note": "Finer kinds folded into this entry because telling them apart needs a task that asks for it. Each is a model waiting to be split out when one does.", "targets": [ "freeze substitution" ] } ], "standing": "Described in 43 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 1 finer distinctions are held inside this entry as names rather than as separate models.", "structure": { "bundles": [ { "id": "identity-and-classification", "name": "Identity, naming and classification", "description": "How an agent tells one freeze-drying from another, and a freeze-drying from things that resemble it.", "rationale": "Recognition comes before every other claim. Without stable identity nothing else in the model can be trusted to be about the same thing twice.", "layers": [ { "id": "naming-and-identifiers", "name": "Names and identifiers", "description": "The names this thing goes by and the identifiers that survive translation and time.", "findings": [ { "id": "preferred-name-and-aliases", "name": "Preferred name, aliases and local names", "description": "Which name to use, which names mean the same thing, and which merely sound similar.", "questions": [ { "id": "preferred-name-and-aliases-q01", "text": "What identifies and describes the name of a freeze-drying, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "preferred-name-and-aliases-q02", "text": "Who or what asserted this about the name of a freeze-drying, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "preferred-name-and-aliases-q03", "text": "What may an agent decide or do once the name of a freeze-drying is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] }, { "id": "stable-identifiers", "name": "Stable identifiers and external keys", "description": "Identifiers that keep pointing at this kind of thing across systems and languages.", "questions": [ { "id": "stable-identifiers-q01", "text": "What identifies and describes an identifier for a freeze-drying, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "stable-identifiers-q02", "text": "Who or what asserted this about an identifier for a freeze-drying, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "stable-identifiers-q03", "text": "What may an agent decide or do once an identifier for a freeze-drying is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "classification-and-granularity", "name": "Classification and granularity", "description": "Where a freeze-drying sits among kinds, and how finely a task needs to cut it.", "findings": [ { "id": "kind-and-parents", "name": "Kind, parents and neighbouring kinds", "description": "The classes this thing belongs to and the ones it is next to.", "questions": [ { "id": "kind-and-parents-q01", "text": "What identifies and describes the kind of a freeze-drying, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "kind-and-parents-q02", "text": "Who or what asserted this about the kind of a freeze-drying, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "kind-and-parents-q03", "text": "What may an agent decide or do once the kind of a freeze-drying is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] }, { "id": "distinguishing-features", "name": "Distinguishing features", "description": "What separates a freeze-drying from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a freeze-drying, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "distinguishing-features-q02", "text": "Who or what asserted this about what distinguishes a freeze-drying, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "distinguishing-features-q03", "text": "What may an agent decide or do once what distinguishes a freeze-drying is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "state-and-lifecycle", "name": "State and lifecycle", "description": "The states a freeze-drying passes through and the events that move it between them.", "rationale": "Most decisions about a thing depend on what state it is in now, which is a claim with a time on it, not a property.", "layers": [ { "id": "lifecycle-stages", "name": "Lifecycle stages", "description": "From coming into existence to ceasing to be one of these.", "findings": [ { "id": "stages-and-transitions", "name": "Stages and transitions", "description": "The stages worth naming and what moves a freeze-drying between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a freeze-drying, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "stages-and-transitions-q02", "text": "Who or what asserted this about the lifecycle of a freeze-drying, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "stages-and-transitions-q03", "text": "What may an agent decide or do once the lifecycle of a freeze-drying is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "observations-and-status", "name": "Observations and current status", "description": "What is observed about a freeze-drying, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a freeze-drying is recorded so that it can be superseded rather than overwritten.", "questions": [ { "id": "observation-record-q01", "text": "What identifies and describes an observation of a freeze-drying, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "observation-record-q02", "text": "Who or what asserted this about an observation of a freeze-drying, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "observation-record-q03", "text": "What may an agent decide or do once an observation of a freeze-drying is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "process-and-outcome", "name": "Process, inputs and outcome", "description": "How a freeze-drying proceeds, what it needs and what it leaves behind.", "rationale": "An activity is known by its steps and its results, and both have to be recordable while it is still running.", "layers": [ { "id": "steps-and-sequence", "name": "Steps and sequence", "description": "The steps of a freeze-drying, their order and what may run in parallel.", "findings": [ { "id": "steps-and-preconditions", "name": "Steps, preconditions and completion", "description": "What has to be true before each step of a freeze-drying and what marks it done.", "questions": [ { "id": "steps-and-preconditions-q01", "text": "What identifies and describes a step of a freeze-drying, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "steps-and-preconditions-q02", "text": "Who or what asserted this about a step of a freeze-drying, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "steps-and-preconditions-q03", "text": "What may an agent decide or do once a step of a freeze-drying is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "inputs-and-results", "name": "Inputs, resources and results", "description": "What a freeze-drying consumes and what it produces.", "findings": [ { "id": "inputs-and-outputs", "name": "Inputs, outputs and side effects", "description": "The resources a freeze-drying takes and the results it leaves, wanted or not.", "questions": [ { "id": "inputs-and-outputs-q01", "text": "What identifies and describes the inputs and results of a freeze-drying, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "inputs-and-outputs-q02", "text": "Who or what asserted this about the inputs and results of a freeze-drying, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "inputs-and-outputs-q03", "text": "What may an agent decide or do once the inputs and results of a freeze-drying is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "definitions-in-contest", "name": "Definitions and who holds them", "description": "What freeze-drying is taken to mean, and by whom.", "rationale": "When a field disagrees about a concept, the disagreement is the content. A model that picks one definition silently destroys the information.", "layers": [ { "id": "competing-definitions", "name": "Competing definitions", "description": "The main readings and the traditions behind them.", "findings": [ { "id": "definition-map", "name": "Definitions and their holders", "description": "Each definition with the school or body that holds it.", "questions": [ { "id": "definition-map-q01", "text": "Which definitions of freeze-drying are in use, and which tradition or body holds each?", "kind": "definition" }, { "id": "definition-map-q02", "text": "What turns on the difference between them in practice?", "kind": "boundary" } ] } ] }, { "id": "operationalisation", "name": "Operationalisation", "description": "How it is measured or applied when it has to be.", "findings": [ { "id": "operational-record", "name": "Measures and proxies", "description": "Instruments and indicators used to stand in for it.", "questions": [ { "id": "operational-record-q01", "text": "How is freeze-drying operationalised or measured in practice, and by what instrument?", "kind": "measurement" }, { "id": "operational-record-q02", "text": "What does that operationalisation leave out, and when does that matter?", "kind": "boundary" } ] } ] } ] }, { "id": "instances-and-use", "name": "Instances, use and consequence", "description": "What counts as an instance of freeze-drying and what follows from calling something that.", "rationale": "Applying a concept is an act with consequences, so a model must say what the label licenses and what it does not.", "layers": [ { "id": "instances", "name": "What counts as an instance", "description": "Clear cases, borderline cases and non-cases.", "findings": [ { "id": "instance-tests", "name": "Tests for an instance", "description": "What would settle whether something falls under it.", "questions": [ { "id": "instance-tests-q01", "text": "What would settle whether something is an instance of freeze-drying?", "kind": "boundary" }, { "id": "instance-tests-q02", "text": "Which borderline cases are argued about, and on what grounds?", "kind": "definition" } ] } ] }, { "id": "consequence", "name": "Consequence of application", "description": "Rights, duties or decisions that follow from the label.", "findings": [ { "id": "consequence-record", "name": "What the label licenses", "description": "What an agent may do once something is classified this way.", "questions": [ { "id": "consequence-record-q01", "text": "What follows practically once something is treated as freeze-drying?", "kind": "action" }, { "id": "consequence-record-q02", "text": "What must an agent not infer from the label alone?", "kind": "action" } ] } ] } ] }, { "id": "provenance-and-evidence", "name": "Provenance, evidence and time", "description": "Where every claim about a freeze-drying came from and when it held.", "rationale": "A claim without a source and a time cannot be superseded, only overwritten, and an agent that overwrites loses the ability to explain itself.", "layers": [ { "id": "source-and-authority", "name": "Source and authority", "description": "Who said it, on what evidence, and how strongly.", "findings": [ { "id": "claim-provenance", "name": "Claim provenance and confidence", "description": "The authority behind each claim about a freeze-drying and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a freeze-drying, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "claim-provenance-q02", "text": "Who or what asserted this about a claim about a freeze-drying, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "claim-provenance-q03", "text": "What may an agent decide or do once a claim about a freeze-drying is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "time-and-versions", "name": "Time, versions and supersession", "description": "When a claim was true, when it was learnt, and what replaced it.", "findings": [ { "id": "validity-and-supersession", "name": "Validity period and supersession", "description": "How an old claim about a freeze-drying is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a freeze-drying, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "validity-and-supersession-q02", "text": "Who or what asserted this about the validity of a claim about a freeze-drying, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "validity-and-supersession-q03", "text": "What may an agent decide or do once the validity of a claim about a freeze-drying is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] } ] }, "statistics": { "bundles": 6, "layers": 12, "findings": 14, "questions": 38 } } } }