{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011671},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010782","490:4900011255","490:4900011739","490:4900011538","490:4900010799","490:4900011919","490:4900011802","490:4900011988","490:4900010966","490:4900011474","490:4900010611","490:4900011180","490:4900011674","490:4900010788","490:4900010697","490:4900010082","490:4900010073","490:4900011610","490:4900011669","490:4900011679","490:4900011801","490:4900011602","490:4900010714","490:4900011737","490:4900011024"],"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":[0.2327119023801799,0.1602856651746276,0.14515543571210812,0.11600461735003248,0.10994719866087224,0.1009460257158574,0.10021552047557018,0.0921789473167475,0.0920556171233314,0.09167663315950424,0.08759168252423424,0.08203163937427586,0.07642472205181666,0.07568517562436226,0.06818217210727237,0.06557784902585043,0.0650385743984547,0.06266136391282104,0.06187078932404081,0.060962268429086745,0.05945856342822871,0.05730922376211284,0.055427377528601364,0.054594261685143496,0.054498042844116315],"twin_dists":[0.22177406856213122,0.24851866781703805,0.2551595858643764,0.26957171592463164,0.2729067556144375,0.27813580738457977,0.27857591369750884,0.2835920885526051,0.2836717083341361,0.2839169024629867,0.2866120865038539,0.29044594786531625,0.29452882558295324,0.29508517967155695,0.3009935967082694,0.30316818902965315,0.30362726021699254,0.3056888021871519,0.3063885934733084,0.30720190445199747,0.3085701728216075,0.3105762395830803,0.31238427403556385,0.31320096316582285,0.3132959481308795],"n_dims_used":45,"mean_confidence":0.9115423414442274},"coverage":{"mean_confidence":0.9115423414442274,"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}}