{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900007607},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900007118","490:4900005883","490:4900007608","490:4900005489","490:4900007609","490:4900006751","490:4900001283","490:4900007113","490:4900001420","490:4900006031","490:4900006386","490:4900007722","490:4900007495","490:4900007363","490:4900006641","490:4900006617","490:4900007240","490:4900006389","490:4900006992","490:4900005623","490:4900006761","490:4900000891","490:4900007480","490:4900001153","490:4900007735"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.5565692672215341,0.5136633144801541,0.4712423350577064,0.4522091081846473,0.4473826047065663,0.4257085872295635,0.41807929294560764,0.3987960989776575,0.393685204956834,0.38596954461835287,0.38274495656760177,0.3698318576757736,0.36907667957107043,0.35862020010703916,0.3495621976984078,0.3477784997807515,0.34727836878192236,0.3286838506337573,0.3238129163001717,0.3180034141146822,0.280006613406424,0.2794961131169308,0.27484678759474507,0.2691877001039779,0.2676153416787686],"twin_dists":[0.14059639348361846,0.14991220945019837,0.15931558950892247,0.16362232810294872,0.16472479564432913,0.16973360637451082,0.17152129429742477,0.17610377287413562,0.17733491295798745,0.1792076690926563,0.17999558367212248,0.18318351608129926,0.18337163272254559,0.1859965346889042,0.18830222135700797,0.1887599119684849,0.18888846536916892,0.193740257664284,0.19503579566155643,0.19659524258271496,0.20722548352391165,0.20737396520272516,0.20873391660532464,0.2104084037269404,0.21087750712025347],"n_dims_used":45,"mean_confidence":0.9230282253689236},"coverage":{"mean_confidence":0.9230282253689236,"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}}