{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004414},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003178","490:4900004273","490:4900004411","490:4900004555","490:4900004278","490:4900004688","490:4900004552","490:4900004410","490:4900001671","490:4900002608","490:4900001411","490:4900002899","490:4900001689","490:4900002922","490:4900001833","487:4870000480","496:4960006356","490:4900003999","490:4900005639","490:4900003451","490:4900003717","490:4900002148","490:4900003043","487:4870000543","490:4900005379"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,487,496,490,490,490,490,490,490,487,490],"twin_sims":[0.5867024578645909,0.5424904543439145,0.5422089964055128,0.456501656575051,0.4300769922150229,0.38225641920564535,0.31914577189361387,0.29551712297809457,0.2751106948133739,0.2709875105673826,0.25652449927143695,0.24802037931599633,0.21869685617044266,0.21768140085934873,0.2155936782887262,0.21090001994326554,0.2079851133094177,0.20543782289063683,0.20523710226815214,0.19857474519739898,0.19619244515769516,0.19350654212551047,0.18467997189478538,0.18247031151559215,0.1758587025539663],"twin_dists":[0.13412173878614758,0.14363728307510593,0.14369821185719653,0.16264548185435215,0.16871601044998494,0.18011523214059397,0.19628734492978625,0.20278964419369128,0.20865634771895794,0.20987351837680346,0.21423631106404584,0.21687440087458282,0.22644902544595225,0.22679542209897052,0.22751102356612674,0.22913710537173568,0.2301593416968426,0.2310606822689663,0.23113202971531702,0.23352788583493397,0.2343980301032518,0.23538789429142623,0.2387099318435552,0.23955896070459923,0.24214361931526768],"n_dims_used":45,"mean_confidence":0.9211474948459202},"coverage":{"mean_confidence":0.9211474948459202,"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}}