{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890002273},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890002750","489:4890003535","489:4890002091","489:4890003333","489:4890002089","489:4890002353","489:4890002330","489:4890003069","489:4890002475","489:4890002582","489:4890003532","489:4890003262","489:4890002333","499:4990002107","489:4890001908","489:4890002472","489:4890003449","477:4770003586","489:4890002191","489:4890003332","489:4890002551","489:4890001998","489:4890003257","470:4700007374","489:4890001828"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,489,499,489,489,489,477,489,489,489,489,489,470,489],"twin_sims":[0.6433051755631458,0.6432344419379544,0.60282349142808,0.5789781535696793,0.5787387951780875,0.5519020010365588,0.46496534734343853,0.4619781485399455,0.45606528133464047,0.4497924745412346,0.4437413165042475,0.43761682456859147,0.4362714367255415,0.43437187241300446,0.4284900787560544,0.4168998897732625,0.41515400560704674,0.4136108509097951,0.4050474012140234,0.4016991788360999,0.3900603799827604,0.38755890653216163,0.387101797583859,0.38299631087612296,0.3819394953823496],"twin_dists":[0.12199025008134727,0.12200545304503542,0.13066830136390026,0.13577823709101677,0.13582959551241752,0.14160307521669763,0.16072904688356213,0.16140401731573578,0.1627446332272257,0.16417378102981736,0.16555951236305924,0.16696945950398245,0.16728022201217949,0.1677196396448185,0.16908518012394103,0.17179887884930756,0.17221040943696275,0.17257477533863802,0.1746076560309196,0.1754076749759725,0.17821257053212505,0.17882046704375407,0.178931751266135,0.17993405261551715,0.18019288971680267],"n_dims_used":45,"mean_confidence":0.9178353203667535},"coverage":{"mean_confidence":0.9178353203667535,"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}}