{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":477,"cluster_id":4770001200},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["500:5000001799","477:4770001139","477:4770002264","477:4770001480","477:4770001718","477:4770001133","477:4770001134","477:4770001189","477:4770001364","477:4770001252","477:4770001419","477:4770001269","477:4770000949","485:4850007045","477:4770001138","477:4770000950","485:4850006672","477:4770001063","477:4770001135","477:4770000326","485:4850006811","477:4770001365","485:4850006968","477:4770000995","500:5000001899"],"twin_admin_codes":[500,477,477,477,477,477,477,477,477,477,477,477,477,485,477,477,485,477,477,477,485,477,485,477,500],"twin_sims":[0.36079760721569104,0.35206218110212595,0.3246363661821778,0.31380531678568857,0.31345184595125103,0.3105544459207975,0.30501622420576247,0.3024986590642001,0.2951595772126208,0.29158261307964256,0.2876887958993719,0.28570482391464014,0.28422527961234395,0.2823938304785841,0.27350144405323035,0.27060058966651357,0.2702140421817835,0.2630697700032342,0.2624302468793822,0.26030355867297245,0.25944799266815405,0.25875794697273397,0.2571756148457188,0.256050505439112,0.2544534254003905],"twin_dists":[0.18544677242616076,0.18766278909030684,0.19481602510512852,0.19773214714998757,0.19782826473820783,0.19861848004901156,0.20014078281505662,0.20083807130094739,0.20289031556421303,0.2039014483211682,0.2050105664827205,0.2055791366150986,0.20600469262949367,0.20653331905395828,0.2091300581356271,0.20998832169201756,0.21010311546939006,0.2122433648425892,0.21243670832314465,0.21308179024385143,0.21334224010540612,0.21355269663322154,0.2140366305430898,0.21438187456090885,0.21487359793273836],"n_dims_used":45,"mean_confidence":0.9196234809027778},"coverage":{"mean_confidence":0.9196234809027778,"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}}