{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":477,"cluster_id":4770000844},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["477:4770001774","477:4770001439","489:4890002361","477:4770001186","477:4770001023","485:4850007256","477:4770001485","489:4890002524","485:4850007914","500:5000001061","489:4890002044","489:4890001949","477:4770000557","489:4890002443","477:4770001369","489:4890001779","489:4890003108","477:4770001329","499:4990001966","485:4850007822","489:4890001701","477:4770000895","485:4850004432","499:4990001679","489:4890002284"],"twin_admin_codes":[477,477,489,477,477,485,477,489,485,500,489,489,477,489,477,489,489,477,499,485,489,477,485,499,489],"twin_sims":[0.5312864154292644,0.5040975939739274,0.49600455440094227,0.4611156160100363,0.45191223082403287,0.43936691944862905,0.424971443432376,0.4201072311962287,0.41034572105138745,0.40869077901124673,0.4064454172789314,0.4031293074569023,0.40028420183091845,0.3985143516209406,0.396255887058353,0.3957869032624167,0.3920409329119165,0.3889564102790022,0.3876621910771657,0.3835560130656278,0.38010440479057656,0.3712482429300971,0.360159258992027,0.35800171509684925,0.3561514334228094],"twin_dists":[0.14606740734440893,0.15201256895997733,0.15379795461522022,0.16159919521265945,0.16369001360875365,0.16656578010635884,0.1699057439842498,0.17104477747617872,0.17334768250699847,0.1737404612969141,0.17427449296831843,0.17506559709276454,0.17574667060663943,0.1761714525069692,0.17671476018973611,0.17682775936508568,0.17773256196155782,0.17848062526915343,0.17879533077867596,0.17979710801827942,0.1806431629361292,0.18283120532399924,0.18560776966093417,0.18615300408249125,0.18662193453852371],"n_dims_used":45,"mean_confidence":0.9212037828233507},"coverage":{"mean_confidence":0.9212037828233507,"n_dims_used":45,"similarity_metric":{"field":"twin_sims","kind":"cosine_in_zscored_morphology_space","range":"[-1, 1]; higher = more similar","interpretation":"cosine similarity in the z-scored feature space (n_dims_used dims). High-dimensional cosine concentrates near 0, so absolute values are typically SMALL and are meaningful only RELATIVELY (rank order / vs the cohort) — NOT a 0–1 probability. mean_confidence is the SEPARATE GUM uncertainty weight of the anchor's witnessed features, not a function of the similarities."}},"error":null}}