{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002815},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001909","490:4900002060","490:4900002515","496:4960010980","496:4960010260","490:4900002214","496:4960010259","490:4900002517","496:4960010344","496:4960010597","490:4900001908","496:4960011056","490:4900002365","490:4900001765","490:4900003365","490:4900003497","490:4900003629","490:4900001102","496:4960011133","496:4960010676","490:4900002516","490:4900002061","470:4700007163","469:4690000675","498:4980003651"],"twin_admin_codes":[490,490,490,496,496,490,496,490,496,496,490,496,490,490,490,490,490,490,496,496,490,490,470,469,498],"twin_sims":[0.7892540302953771,0.6399052227335152,0.6361069742903509,0.6128997629274382,0.5977060035983873,0.5793609042698449,0.5257595830354653,0.5194881020058085,0.43986128826950005,0.43356018773062877,0.33974400858284665,0.3381091888376789,0.3107886947548919,0.3000624061059288,0.2725848894380697,0.25032296207313576,0.2394962017996033,0.20819709692119306,0.19260637043727047,0.16956567744024761,0.16703713566993095,0.15579495651692118,0.14348324722073752,0.1407502276364495,0.13620014739661707],"twin_dists":[0.08935271191122436,0.12272076686715228,0.12353631346993613,0.12851064115791577,0.13176421581081568,0.13569611515350474,0.1472700222077317,0.14863808781689905,0.16645186273720547,0.1679076371908615,0.19083710150524352,0.19126296032206402,0.198554436703947,0.20151606069137493,0.20940062700551643,0.21615448708426818,0.21957760318093378,0.23008467303868946,0.23572177972455982,0.24466884690531612,0.24570242482921015,0.2504399422149732,0.2559243913118413,0.2571887649653348,0.25933498165772106],"n_dims_used":44,"mean_confidence":0.9144080768931996},"coverage":{"mean_confidence":0.9144080768931996,"n_dims_used":44,"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}}