{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000068},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000182","490:4900000065","490:4900000110","490:4900000094","490:4900000139","490:4900000417","490:4900000502","490:4900000069","490:4900000218","490:4900000185","490:4900000031","490:4900000093","490:4900000236","490:4900000968","490:4900000081","490:4900000342","490:4900000155","490:4900000939","490:4900000281","490:4900000296","490:4900000602","490:4900000160","490:4900000205","490:4900000337","490:4900000095"],"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":[0.4946844999057553,0.44293337572258634,0.4408391840206714,0.4099119104304861,0.3593973590935383,0.3448627349360094,0.329635422861778,0.31174418871049386,0.2876217708346625,0.2778570370227399,0.27533669438226327,0.2727221253694115,0.26713123815441486,0.25594734945259345,0.251196976249545,0.24905040634147105,0.2481520438532151,0.2403331038740195,0.2218313000508921,0.22079682884823182,0.21942930688338208,0.21631349055058444,0.21436795763371838,0.21293135683357153,0.21226236191080491],"twin_dists":[0.1540899458496659,0.16574507715069392,0.1662266736140245,0.17345057429616934,0.1858001185429116,0.1895107594551969,0.19348840550560056,0.19829349135840302,0.20502973621427628,0.2078518170615252,0.20858995705631497,0.20936007909131824,0.2110222805037092,0.2144135763531506,0.21588233125703618,0.2165518312317122,0.2168331201858582,0.21930947454099084,0.2253865438319902,0.22573608091814415,0.22619983816476238,0.2272637711597207,0.2279333374201908,0.22843038974503854,0.22866263103405238],"n_dims_used":45,"mean_confidence":0.91734373304579},"coverage":{"mean_confidence":0.91734373304579,"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}}