{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990002449},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990002922","499:4990002533","499:4990002534","470:4700008610","489:4890003083","499:4990002697","499:4990002448","470:4700008374","470:4700008284","489:4890001917","470:4700008013","499:4990003057","499:4990001477","489:4890002162","489:4890003005","470:4700008012","477:4770003842","489:4890003079","489:4890001758","499:4990002921","499:4990002616","489:4890002307","499:4990002372","499:4990000827","499:4990002121"],"twin_admin_codes":[499,499,499,470,489,499,499,470,470,489,470,499,499,489,489,470,477,489,489,499,499,489,499,499,499],"twin_sims":[0.8055796515427328,0.6957382967458183,0.6941757657444357,0.613702215566384,0.5779769851838322,0.5748228551327077,0.555414472261608,0.5491239720692839,0.5184420180143717,0.5154659011383534,0.5150507633581114,0.5087894689836856,0.5063719147066832,0.49367015400494624,0.4895001281709981,0.4890214897803268,0.4878520714539828,0.4788271915726283,0.4772337242279575,0.4762688877650564,0.47314101022259814,0.47291268755837945,0.470069335164449,0.46449590084223746,0.46149609776567896],"twin_dists":[0.085400390297839,0.11062710044774118,0.11096938373531887,0.12833879300007955,0.13599306702823866,0.13667009714107853,0.14084535130127332,0.14220290257795212,0.14886665421217463,0.14951753461752249,0.14960839841439255,0.15098108455108675,0.1515122549105694,0.15431446868448737,0.1552389214497374,0.15534518041970857,0.15560492633137538,0.15761600267042947,0.15797232640799527,0.15818826582085338,0.15888930085938052,0.15894053344404416,0.1595792378015432,0.16083501983431187,0.1615130821331201],"n_dims_used":45,"mean_confidence":0.9293836805555555},"coverage":{"mean_confidence":0.9293836805555555,"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}}