{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000812},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000226","490:4900000696","490:4900000784","490:4900000697","490:4900000605","496:4960008365","490:4900000282","490:4900000500","496:4960007786","490:4900000225","496:4960008364","496:4960007789","490:4900001036","490:4900000410","496:4960008579","490:4900000594","490:4900000164","490:4900000339","496:4960008366","490:4900000816","490:4900000801","496:4960009174","490:4900000422","490:4900000501","490:4900000610"],"twin_admin_codes":[490,490,490,490,490,496,490,490,496,490,496,496,490,490,496,490,490,490,496,490,490,496,490,490,490],"twin_sims":[0.6919408904934554,0.49194479218534604,0.47673722910652416,0.45899288225904156,0.4507004891655432,0.3975042103466255,0.3632282590393412,0.3315521854231744,0.3299217701979196,0.31802631105470147,0.3024578080335549,0.30230143599374226,0.29672303896515784,0.28629886545848593,0.27662803835206057,0.27460069047259583,0.27178636203593803,0.27067210699028665,0.27004833504523357,0.2670666431827897,0.2660774060607468,0.26546334329547827,0.26500625044510245,0.2607802420141076,0.25973910205454803],"twin_dists":[0.1114584553092515,0.15469668293678188,0.15808342891368313,0.16208008995729548,0.16396645164042173,0.17641428237346557,0.18483506242743333,0.19298230598495106,0.19341269634510272,0.19658906509997431,0.20084941352645133,0.2008928382207468,0.20245063234422664,0.2054086473987539,0.20821124413496236,0.20880629180247356,0.20963681064560838,0.2099670941536936,0.2101523569164805,0.21104161024485138,0.21133799855969956,0.21152232478897892,0.21165970510357443,0.21293691254420824,0.2132535605569386],"n_dims_used":45,"mean_confidence":0.9061448838975694},"coverage":{"mean_confidence":0.9061448838975694,"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}}