{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890003978},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["477:4770000486","477:4770000646","489:4890004101","477:4770000525","477:4770000524","477:4770001517","477:4770000629","477:4770000416","477:4770000435","477:4770000488","477:4770001634","477:4770001624","477:4770002970","477:4770000577","477:4770003124","477:4770000632","477:4770000855","489:4890004040","477:4770002060","477:4770000743","477:4770002462","477:4770001221","477:4770002195","477:4770000364","477:4770000377"],"twin_admin_codes":[477,477,489,477,477,477,477,477,477,477,477,477,477,477,477,477,477,489,477,477,477,477,477,477,477],"twin_sims":[0.6523543099831319,0.5954571005666618,0.5893397998033606,0.5649522163876308,0.5518555317541433,0.5479439010079858,0.5457467958366025,0.48409114749078824,0.46597481731756624,0.4555738295966538,0.44938288321354164,0.43516967469361484,0.4025289300117895,0.39091296771632233,0.39038563737290255,0.38695080120135156,0.38372687139803413,0.38187180709059515,0.37638888560728007,0.372476516808566,0.36841343106197,0.36470198585979724,0.3548439741130048,0.34556489560523024,0.3434222239204115],"twin_dists":[0.1200432976578594,0.1322458957416549,0.1335564909950184,0.13879130821440366,0.14161310477734151,0.1424578525197682,0.14293277736096124,0.15644157705240772,0.1605012944992246,0.16285634011635303,0.16426735531623052,0.1675349944748805,0.17520913693628926,0.17800579725359075,0.17813366274933792,0.1789685253383691,0.17975532246908055,0.18020947976014146,0.18155806726438323,0.1825262240942629,0.18353700775514867,0.18446518664284456,0.1869540511577412,0.189329638005459,0.18988295099362845],"n_dims_used":45,"mean_confidence":0.9205831739637587},"coverage":{"mean_confidence":0.9205831739637587,"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}}