{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890001731},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890001902","489:4890002069","489:4890002146","489:4890003091","489:4890002332","499:4990002109","489:4890003303","489:4890002005","470:4700007553","470:4700006671","470:4700006282","470:4700007808","470:4700004489","470:4700006046","470:4700000624","489:4890001978","470:4700004655","489:4890002230","489:4890001926","470:4700007925","466:4660001021","470:4700007012","489:4890001890","489:4890002355","489:4890002497"],"twin_admin_codes":[489,489,489,489,489,499,489,489,470,470,470,470,470,470,470,489,470,489,489,470,466,470,489,489,489],"twin_sims":[0.5374747431144714,0.5338909796244296,0.5118767538463075,0.509461407572932,0.5084760250638093,0.457851359192741,0.44053816834049325,0.43902863132152076,0.4266186004714114,0.42656404943428905,0.42529955747986053,0.4241456845814761,0.4236182900363169,0.42285056034364715,0.41693842516184026,0.4160703790181241,0.40676619000135095,0.4045724129361386,0.3981290106034654,0.3884312474409218,0.3877372854732464,0.3841236169850961,0.38383362762567164,0.38266271562426374,0.37589160802235694],"twin_dists":[0.144723950618594,0.1455015846814218,0.15030371644256477,0.15083356750146942,0.15104991517618596,0.16233902486509572,0.16629597049815897,0.16664376076610746,0.16952127062524047,0.16953399387899065,0.16982910759038183,0.17009872244337476,0.17022205562928977,0.1704017068686482,0.1717898038473158,0.17199431417841146,0.17419812118812378,0.17472096787929672,0.17626405216060073,0.17860826555137266,0.17877705711044872,0.17965832763707373,0.17972921840841935,0.18001572030350255,0.1816808491950417],"n_dims_used":45,"mean_confidence":0.9112848917643229},"coverage":{"mean_confidence":0.9112848917643229,"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}}