{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800004145},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800003982","480:4800003915","480:4800004150","480:4800004916","480:4800004071","480:4800003983","480:4800004232","480:4800005748","480:4800004315","480:4800003839","480:4800005171","480:4800005427","480:4800004149","480:4800004066","480:4800004313","480:4800003909","480:4800005264","480:4800003840","480:4800003629","480:4800005817","480:4800004067","480:4800005431","480:4800004924","480:4800004143","480:4800003981"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.43523984104967645,0.41653579807058944,0.39476567090675724,0.3868820966243732,0.38508338317022794,0.3628582644081206,0.29637398337831167,0.2858139763715739,0.2825196252447038,0.2645435468731661,0.2618610629646925,0.2610574514809527,0.24739088571571058,0.22028816625257094,0.2128139144952718,0.2110383113822086,0.1919485099406786,0.1873529191068433,0.17904224345538208,0.1771692957851498,0.17441146285704295,0.16771467060526932,0.16111663933109355,0.15601629147165502,0.1556276834037105],"twin_dists":[0.16751876148617648,0.17188463942633292,0.17707403359583657,0.17898526008750104,0.17942388519699792,0.1849280427807467,0.20254867663321952,0.2055477940340567,0.20649694376351052,0.21179892229070774,0.21260903485275784,0.21285273713508662,0.21707196009698662,0.22590835451894337,0.22847112401658404,0.22908884681478106,0.23596647665681486,0.23769239456780505,0.2408906377621749,0.24162585753867402,0.24271856809628672,0.24542437450359925,0.24816745920857455,0.25034430755374104,0.25051228369216255],"n_dims_used":43,"mean_confidence":0.9181656948355741},"coverage":{"mean_confidence":0.9181656948355741,"n_dims_used":43,"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}}