{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011695},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011003","490:4900011963","490:4900011639","490:4900011696","490:4900012096","490:4900011441","490:4900011576","490:4900011178","490:4900011777","490:4900011318","490:4900008115","490:4900011637","490:4900011697","490:4900011449","490:4900011434","490:4900010840","490:4900011097","490:4900011631","490:4900011762","490:4900010997","490:4900011584","490:4900011634","490:4900011302","490:4900011232","490:4900011633"],"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":[0.2908528973768318,0.17394845055440686,0.163013159967743,0.14874393217557372,0.12017288793100628,0.1121304801061187,0.10480854531641931,0.10196063942773315,0.09280252872089152,0.0831806771299087,0.08306224962537095,0.07487541957766666,0.07374172712022294,0.07031609474978563,0.06799089610683477,0.06480925193255731,0.06173357112043667,0.06162953349969758,0.05967056068125649,0.05964945213949391,0.05328714793779624,0.05291418553753539,0.052690454319464626,0.05202680496208094,0.051866884925841766],"twin_dists":[0.20410862595596593,0.24290322864625813,0.24737079727916736,0.25354008314180976,0.26735374342825124,0.2716887411532804,0.27584925129263166,0.2775286474562259,0.2831907993133716,0.2896370075874741,0.28971996800299643,0.29569940199328715,0.2965684110737742,0.2992616264160976,0.30115098645791155,0.3038234195751932,0.30651080062094566,0.30660360562346917,0.3083755590977295,0.30839491124036655,0.31450335178499544,0.3148798209605372,0.3151067137286858,0.31578447920683184,0.3159488739509456],"n_dims_used":45,"mean_confidence":0.8907606336805556},"coverage":{"mean_confidence":0.8907606336805556,"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}}