{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890003260},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890001681","489:4890003259","489:4890002021","489:4890002918","489:4890002180","489:4890001840","489:4890002023","489:4890001920","489:4890003005","489:4890002916","489:4890003395","489:4890003582","489:4890003167","489:4890002505","489:4890002839","489:4890001917","489:4890001748","489:4890003597","489:4890002837","489:4890003079","489:4890002162","489:4890001935","489:4890002664","489:4890001853","489:4890003083"],"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":[0.8877054394324672,0.8584197310753217,0.8057593580697798,0.8048804466428638,0.7987393499286438,0.7854956505754885,0.7757685284815341,0.7651046525404169,0.7569803158357504,0.7318189436308422,0.7288015091478778,0.7056417465952722,0.7041455345770781,0.7003297914347664,0.6993203104421835,0.698144639995126,0.6900572346770683,0.6883006510963917,0.6879846434396575,0.6836064633931268,0.6798437418939394,0.6785942842999586,0.6732945867691046,0.6647589953039584,0.6629736419150565],"twin_dists":[0.06339027335177763,0.07176364067219608,0.08535632397357344,0.08557172168399216,0.08706834579512507,0.09024928659199388,0.09254887154902074,0.09503807384856332,0.09691422364430252,0.10262914061585811,0.10330596871134361,0.10845065792159196,0.10878028714384809,0.10961959515925522,0.10984132759304518,0.11009940310627372,0.1118702280036431,0.11225387004003867,0.11232285145362028,0.11327748867893712,0.11409638894277889,0.11436801470208456,0.11551856703322458,0.11736669350391701,0.11775255666577261],"n_dims_used":45,"mean_confidence":0.9179821438259549},"coverage":{"mean_confidence":0.9179821438259549,"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}}