{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890001505},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890001512","489:4890001502","489:4890000935","489:4890001598","489:4890001595","489:4890001601","489:4890001587","489:4890001583","472:4720002287","489:4890001507","488:4880005559","472:4720002223","489:4890001053","489:4890001519","489:4890001506","489:4890001513","489:4890001588","489:4890001511","489:4890001596","489:4890000437","466:4660007529","489:4890001613","489:4890001531","479:4790003903","489:4890001602"],"twin_admin_codes":[489,489,489,489,489,489,489,489,472,489,488,472,489,489,489,489,489,489,489,489,466,489,489,479,489],"twin_sims":[0.8260524645543407,0.7423599628055502,0.6547032810792793,0.586665367414456,0.576396569228,0.5503180093962212,0.5477415062105879,0.5229889595544676,0.5011953532046356,0.4814332612722368,0.47821744025985174,0.4760311179205708,0.4690784480637628,0.4668334221225228,0.4563692210456535,0.435918418568664,0.42176583093456776,0.41902125641615756,0.4085005274311284,0.39600910278449686,0.39337713700196303,0.3907502580095945,0.3804630779523287,0.35941875146864244,0.353619835058592],"twin_dists":[0.08029079690425683,0.10025116384424018,0.11953719379880869,0.13412968927018162,0.13633225852798933,0.14194502775394757,0.14250158842355945,0.1478739443106063,0.15265190307691023,0.1570340630768041,0.15775230718616695,0.15824150279284702,0.1598021267368954,0.16030771373831737,0.16267556967133573,0.1673618263433359,0.17065577035685295,0.17129983357020853,0.17378565987505404,0.17677421388351502,0.17740935695938584,0.17804524200413685,0.18055507362334008,0.1857947149923515,0.18726557739982908],"n_dims_used":45,"mean_confidence":0.9147660997178819},"coverage":{"mean_confidence":0.9147660997178819,"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}}