{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012135},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004663","490:4900011667","490:4900008834","490:4900012140","490:4900010519","490:4900007478","490:4900012072","490:4900012073","490:4900012141","490:4900012000","490:4900012207","490:4900011599","490:4900010433","490:4900008608","490:4900009789","490:4900009575","490:4900009671","490:4900009568","490:4900012749","490:4900011416","490:4900012822","490:4900009669","466:4660004808","490:4900004664","490:4900012002"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,466,490,490],"twin_sims":[0.22864889109619446,0.061710724210603675,0.057871244503366455,0.040884636184283375,0.03577194642779681,0.03513359815833934,0.03433701846319585,0.03420768180983105,0.032119878496323945,0.02760772223008073,0.027206639846762283,0.021475074286470126,0.017372486203025003,0.0165534936928864,0.011181605728043276,0.01096862234475314,0.010251680750061293,0.009266391120687834,0.008448843466011978,0.007568970307816481,0.006687093395836684,0.006083427760367655,0.005953072539654717,0.005597113920566246,0.005199504157867432],"twin_dists":[0.22310967872278906,0.30653116981862305,0.31004577369919206,0.32840535130851084,0.3351965317605603,0.3361013922006488,0.33725037305894695,0.3374390644235764,0.3405724200517194,0.34798897669450185,0.34869760290601354,0.35995914833423154,0.36976010452040825,0.37195645490092066,0.3893413241658586,0.39017359400564505,0.3930849817282009,0.3973973103800364,0.40129853564094314,0.4058945825045143,0.41101021649083735,0.4148747736075974,0.41575449596917063,0.4182484484163224,0.4212096937575644],"n_dims_used":45,"mean_confidence":0.9110955980088976},"coverage":{"mean_confidence":0.9110955980088976,"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}}