{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890002272},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890003597","489:4890002022","489:4890001844","489:4890003598","489:4890003329","489:4890003462","489:4890001681","489:4890002580","489:4890001840","489:4890003471","489:4890001935","489:4890002751","489:4890001667","489:4890002263","489:4890003331","489:4890002918","489:4890002086","489:4890002182","489:4890002839","489:4890003167","489:4890002581","489:4890002109","489:4890003084","489:4890002085","489:4890003516"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489],"twin_sims":[0.9120855560687978,0.8465471683948679,0.8416667205955259,0.8385948740784649,0.8369185599530968,0.8240022779120325,0.817144160629002,0.790263597824821,0.7656638611460986,0.7536383120316059,0.7475939895188213,0.7304256056010491,0.7153375211511345,0.7130224496133187,0.7100624628103354,0.704541239347274,0.7010165869082705,0.6966053395396437,0.6889172398309992,0.6748704041482031,0.661455203691748,0.6482692138094468,0.6438951975765406,0.6373053320917662,0.6370783719004853],"twin_dists":[0.055716452288306725,0.07496567750409196,0.07625549568242156,0.07706003012705677,0.07749677436983904,0.08081115480407512,0.08253720336928931,0.08911107206961018,0.09490831380288967,0.09768128074293063,0.09906201410625681,0.10294187987499478,0.10630697482865203,0.10682006801760546,0.1074749382047704,0.10869313895874301,0.1094686669091539,0.11043704359573371,0.11211924376564808,0.1151767198544754,0.11808055496315144,0.1209227331088907,0.12186342636810436,0.12327906484564972,0.1233277898653649],"n_dims_used":45,"mean_confidence":0.9178241305881076},"coverage":{"mean_confidence":0.9178241305881076,"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}}