{"schema":"szl.vertical-frontier/v3","requested_vertical":"terra","vertical":"terra","alias_resolved":false,"product":"Terra","domain":"real-estate-intelligence","mission":"Turn parcel, building-condition, ownership, and underwriting evidence into comparable, governed property and pipeline signals.","experience":{"title":"Terra Parcel Loom","kicker":"TERRA","archetype":"real estate operating intelligence","motif":"parcel-grid","background":"#040807","panel":"#0d1713","accent":"#74e6a8","accent_secondary":"#db9d69","signature_view":"Parcel → distress → underwriting → deal review","benchmark":"portfolio · distress · ownership · pipeline"},"anatomy":{"schema":"szl.living-anatomy.vertical/v2","vertical":"terra","product":"Terra","domain":"real-estate-intelligence","mission":"Turn parcel, building-condition, ownership, and underwriting evidence into comparable, governed property and pipeline signals.","organs":[{"order":1,"id":"sense","contract":"Acquire caller-supplied or allowlisted authoritative observations."},{"order":2,"id":"normalize","contract":"Validate schemas, units, identifiers, timestamps, and source boundaries."},{"order":3,"id":"context","contract":"Bind each observation to its vertical, source, revision, and session scope."},{"order":4,"id":"formula","contract":"Apply named deterministic formulas and preserve proof-status boundaries."},{"order":5,"id":"policy","contract":"Evaluate deny-by-default gates before any recommendation or effect."},{"order":6,"id":"decide","contract":"Produce a bounded recommendation with confidence and truth labels."},{"order":7,"id":"verify","contract":"Check source identity, invariants, freshness, and expected outcome."},{"order":8,"id":"remember","contract":"Persist observation metadata and summaries under a hashed session scope."},{"order":9,"id":"receipt","contract":"Mint a deterministic hash-addressed receipt without recording secrets."}],"formula_ids":["terra.price_per_sqft","terra.cap_rate","terra.comp_dispersion","terra.distress_load","szl.lambda_advisory","szl.receipt_hash"],"connector_ids":["nyc-pluto","nyc-hpd-violations","nyc-dob-violations"],"canonical_repository":"szl-holdings/szl-real-estate","public_space":"SZLHOLDINGS/terra","consolidation":null,"truth_label":"MEASURED"},"formulas":[{"id":"terra.price_per_sqft","name":"Price per square foot","equation":"PPSF = price / square_feet","implementation":"szl_verticals.terra.terra_add","status":"TESTED_IMPLEMENTATION"},{"id":"terra.cap_rate","name":"Capitalization rate","equation":"cap_rate = annual_NOI / price","implementation":"szl_verticals.terra.terra_add","status":"TESTED_IMPLEMENTATION"},{"id":"terra.comp_dispersion","name":"Comparable-property dispersion","equation":"σ_comp = pstdev(PPSF_comps)","implementation":"szl_verticals.terra.terra_analysis","status":"MODELED"},{"id":"terra.distress_load","name":"Weighted property-condition load","equation":"D = (1·A + 2·B + 4·C) / (4·max(1,A+B+C))","implementation":"szl_verticals.domain_math.weighted_distress_load","status":"MODELED_ADVISORY","proof_boundary":"HPD classes are public condition signals, not a valuation, discrimination, or person-level prospecting score."},{"id":"szl.lambda_advisory","name":"SZL Lambda advisory roll-up","equation":"Λ_w(x) = ∏ x_i ^ w_i, Σw_i = 1, x_i ∈ [0,1]","implementation":"operational.advisory_lambda","source_repository":"szl-holdings/szl-formulas","source_formula":"lambda_aggregate","status":"ADVISORY","proof_boundary":"Lambda uniqueness remains Conjecture 1 (open); never treated as proven trust."},{"id":"szl.receipt_hash","name":"Canonical observation receipt","equation":"r = SHA-256(canonical_json(metadata))","implementation":"operational._receipt","source_repository":"szl-holdings/governed-receipt-spec","status":"DETERMINISTIC_IMPLEMENTATION"}],"connectors":[{"id":"nyc-pluto","vertical":"terra","authority":"NYC Department of City Planning","authority_url":"https://data.cityofnewyork.us/City-Government/Primary-Land-Use-Tax-Lot-Output-PLUTO-/64uk-42ks","method":"GET","response_format":"json","freshness_seconds":21600,"max_bytes":4000000,"required":true,"auth_env":null,"description":"Current Primary Land Use Tax Lot Output records through NYC Open Data.","builder":"pluto","state":"READY","configured":true,"credential_present":null,"credential_value_exposed":false},{"id":"nyc-hpd-violations","vertical":"terra","authority":"NYC Department of Housing Preservation and Development","authority_url":"https://data.cityofnewyork.us/Housing-Development/Housing-Maintenance-Code-Violations/wvxf-dwi5","method":"GET","response_format":"json","freshness_seconds":900,"max_bytes":8000000,"required":false,"auth_env":null,"description":"Recent public Housing Maintenance Code violations for parcel-level condition and distress research.","builder":"hpd","state":"READY","configured":true,"credential_present":null,"credential_value_exposed":false},{"id":"nyc-dob-violations","vertical":"terra","authority":"NYC Department of Buildings","authority_url":"https://data.cityofnewyork.us/Housing-Development/DOB-Violations/3h2n-5cm9","method":"GET","response_format":"json","freshness_seconds":900,"max_bytes":8000000,"required":false,"auth_env":null,"description":"Recent public Department of Buildings violations for property condition research.","builder":"dob","state":"READY","configured":true,"credential_present":null,"credential_value_exposed":false}],"readiness":{"schema":"szl.vertical-readiness/v2","vertical":"terra","product":"Terra","ready":true,"status":"READY","requirements":{"source_bound":true,"observation_store_writable":true,"required_connector_contracts_ready":true,"persistent_signing_key":true,"formula_registry_bound":true},"live_data":{"wired":true,"observed_in_scope":true,"observations":5,"connectors_observed":3},"build":{"state":"OBSERVED","revision":"d018c1f2c892bd36f8ba7e9c85ee0430da348a17"},"store":{"writable":true,"durability":"EPHEMERAL_FILE","configured_path":false,"persistent_claim_explicit":false,"error":null},"connectors":[{"id":"nyc-pluto","vertical":"terra","authority":"NYC Department of City Planning","authority_url":"https://data.cityofnewyork.us/City-Government/Primary-Land-Use-Tax-Lot-Output-PLUTO-/64uk-42ks","method":"GET","response_format":"json","freshness_seconds":21600,"max_bytes":4000000,"required":true,"auth_env":null,"description":"Current Primary Land Use Tax Lot Output records through NYC Open Data.","builder":"pluto","state":"READY","configured":true,"credential_present":null,"credential_value_exposed":false},{"id":"nyc-hpd-violations","vertical":"terra","authority":"NYC Department of Housing Preservation and Development","authority_url":"https://data.cityofnewyork.us/Housing-Development/Housing-Maintenance-Code-Violations/wvxf-dwi5","method":"GET","response_format":"json","freshness_seconds":900,"max_bytes":8000000,"required":false,"auth_env":null,"description":"Recent public Housing Maintenance Code violations for parcel-level condition and distress research.","builder":"hpd","state":"READY","configured":true,"credential_present":null,"credential_value_exposed":false},{"id":"nyc-dob-violations","vertical":"terra","authority":"NYC Department of Buildings","authority_url":"https://data.cityofnewyork.us/Housing-Development/DOB-Violations/3h2n-5cm9","method":"GET","response_format":"json","freshness_seconds":900,"max_bytes":8000000,"required":false,"auth_env":null,"description":"Recent public Department of Buildings violations for property condition research.","builder":"dob","state":"READY","configured":true,"credential_present":null,"credential_value_exposed":false}],"lambda_advisory":{"score":1.0,"axes":{"source_binding":1.0,"observation_store":1.0,"connector_contract":1.0,"formula_binding":1.0,"live_observation":1.0},"weights":{"source_binding":0.2,"observation_store":0.2,"connector_contract":0.2,"formula_binding":0.2,"live_observation":0.2},"label":"ADVISORY","lambda_status":"Conjecture 1 (open) — uniqueness unproven","truth_label":"MODELED"},"canonical_repository":"szl-holdings/szl-real-estate","public_space":"SZLHOLDINGS/terra","consolidation":null,"truth_label":"MEASURED"},"source":{"schema":"szl.build-info/v1","service":"szl-vertical-services","version":"2.2.0","source_repository":"szl-holdings/vertical-services","source_revision":"d018c1f2c892bd36f8ba7e9c85ee0430da348a17","runtime_repository":"szl-holdings/vertical-services","runtime_source_revision":"d018c1f2c892bd36f8ba7e9c85ee0430da348a17","effectors_enabled":false,"human_approval_required":true,"hf_repository":"SZLHOLDINGS/vertical-services","build":{"state":"OBSERVED","revision":"d018c1f2c892bd36f8ba7e9c85ee0430da348a17"},"source_binding":{"evidence_sources":["adjacent-file","container-file","env"],"invalid_sources":[],"bindings_agree":true},"receipt_minted":false,"truth_label":"MEASURED"},"second_brain":{"endpoint":"/api/verticals/terra/second-brain","scope":"HASHED_CALLER_SESSION","hydration":"EXPLICIT_AUTHORIZED_REQUEST_ONLY"},"hatun":{"endpoint":"/api/verticals/terra/hatun/evaluate","decision_states":["REVIEW","ABSTAIN"],"can_authorize":false,"effectors_enabled":false},"aliases":["real-estate"],"truth_label":"MEASURED"}