{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001121},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003790","490:4900003799","490:4900002547","490:4900002839","490:4900002546","490:4900004352","490:4900002693","490:4900004212","490:4900001782","490:4900001242","490:4900001243","490:4900001781","490:4900004079","490:4900002246","490:4900004078","490:4900002247","490:4900003663","490:4900002397","490:4900001232","490:4900004363","490:4900003805","490:4900001495","490:4900002681","490:4900002983","490:4900001501"],"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":[0.25271718236450247,0.22120961701648484,0.21196244973576298,0.20332799754545983,0.1644676572309367,0.15403135915641286,0.14792841025435124,0.13836864101732885,0.13029672710819226,0.10300635596456557,0.09185705357229372,0.08739965914422153,0.08259538558024652,0.08145105088196093,0.0796509780012555,0.06960569193425592,0.06757955732546496,0.06331775491727619,0.06210517073077273,0.058963736815303765,0.058657760268764236,0.05686276845443839,0.056346357996290446,0.05450886456036734,0.052716423063324996],"twin_dists":[0.21541039561183054,0.2255964730845204,0.22876690636627642,0.23181303404466005,0.24676435169941452,0.2512055328504305,0.25390557509112527,0.2583055549858306,0.26220117771995716,0.2769077931094097,0.28380007476338565,0.2867412152960998,0.2900479376363007,0.29085814292087314,0.2921512642489161,0.29983341439758304,0.3014906777946116,0.30511326263915667,0.3061803655865818,0.3090266559285197,0.30931050321882936,0.3110006963064304,0.3114951070023128,0.3132852582603754,0.3150803370437137],"n_dims_used":44,"mean_confidence":0.9121861891313032},"coverage":{"mean_confidence":0.9121861891313032,"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}}