{"query": "A parable — Ltv", "count": 3, "results": [{"id": "card_n_e5c841c02410", "title": "A parable — Ltv", "shelf": "codex", "surface": "witness", "snippet": "A man borrowed against his house until the debt reached the rooftop. When the wind came and shook the price down by a tenth, the rooftop was beneath the debt. He still lived in the house, but the hous", "authority_tier": "operator", "source": "Narrow Highway — original parable", "readable": false, "generated": false}, {"id": "card_domchk_real_estate_claimed_ltv", "title": "Real Estate: ltv", "shelf": "real_estate", "surface": "secular", "snippet": "A worked check in real estate: ltv.\n\nGIVEN\n  annual_debt_service = 22755\n  annual_gross_rent = 24000\n  annual_rate = 0.065\n  annual_rent = 18000\n  appraised_value = 300000\n  loan_amount = 240000\n  loa", "authority_tier": "reference", "source": "The verifier's own documented relation, and a run this engine performed against it (deterministic; re-runnable with tools/domain_goldens.py)", "readable": false, "generated": false}, {"id": "card_calc_v_real_estate_loan_to_value", "title": "Loan to value", "shelf": "calculations", "surface": "secular", "snippet": "Loan to value — real_estate. Formula: LTV = loan / value. Canonical FORM: fraction (part / whole (dimensionless)) — engine verifier real_estate.loan_to_value — the deterministic check the concordance ", "authority_tier": "reference", "source": "The Calculation Map — every calculation, mapped by form", "readable": false, "generated": false}], "house": {"door": "FIND", "kind": "cards", "trail": "results", "seal": null, "next_step": {"do": "open the top card", "door": "FIND", "tool": "card_get", "params": {"id": "card_n_e5c841c02410"}}, "ends": "a verdict or a card · the trail · a seal · one next step"}}