{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010611},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010697","490:4900010787","490:4900011919","490:4900010528","490:4900010705","490:4900011256","490:4900011108","490:4900010534","490:4900010073","490:4900010942","490:4900011255","490:4900010872","490:4900010350","490:4900009576","490:4900010448","490:4900010173","490:4900010696","490:4900010880","490:4900011671","490:4900010706","490:4900011328","490:4900010533","490:4900009879","490:4900010959","490:4900010780"],"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":[0.5654291478999327,0.4326881864446143,0.32630944346536994,0.2594241278694661,0.19799560777407074,0.19204737536039018,0.19147103560020012,0.18465827396260154,0.17961474869088864,0.14126230009024687,0.14002262519212236,0.13836057347281142,0.1211120060297407,0.10911289489339558,0.10579132596902723,0.09038992935905923,0.08858191339416908,0.08809723551369461,0.08759168252423424,0.08224306867604907,0.0818983680818038,0.07937328837004722,0.07726548104472096,0.07694956193952446,0.06765691545867639],"twin_dists":[0.13868871774607297,0.16810976252762475,0.19437044881969243,0.21334951272503852,0.23373875088576557,0.23592966553015204,0.23614444372718715,0.23871823405352247,0.24066699237522962,0.25695048341585003,0.25752845201892205,0.25830936237352203,0.26686217596613426,0.27337713937746444,0.2752779601661928,0.2847553989159813,0.28594973960070186,0.28627319277378727,0.2866120865038539,0.29029642111904314,0.2905403583079923,0.2923528300414059,0.29390157329807315,0.2941366187806887,0.3014266656909475],"n_dims_used":45,"mean_confidence":0.9192309061686198},"coverage":{"mean_confidence":0.9192309061686198,"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}}