{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000529},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000456","480:4800001072","480:4800000490","480:4800000302","480:4800000457","480:4800000492","480:4800000494","480:4800000367","480:4800000303","480:4800000605","480:4800000338","480:4800000394","480:4800000617","480:4800000369","480:4800000427","480:4800000675","480:4800000566","480:4800000876","492:4920004931","480:4800000370","480:4800000835","492:4920004755","480:4800001073","480:4800000871","480:4800000401"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,492,480,480,492,480,480,480],"twin_sims":[0.20559977581950237,0.20301149584248318,0.18934123825644844,0.18644204508725637,0.1840486967820708,0.16533378579484162,0.1488136588318388,0.13873970546403622,0.11706750720414548,0.08616662727146908,0.07537117341350136,0.07341290663826519,0.06784890020931196,0.06465453492304384,0.0637428270267031,0.06109671970487624,0.06038851160845752,0.06002690503731283,0.05611881013574992,0.054642199462117666,0.05202535717703151,0.04984903004706352,0.04650957159196505,0.04325469292601547,0.04224270951488688],"twin_dists":[0.2310031498032665,0.23192635775873152,0.23694206915072039,0.23803799360062133,0.23895175587770678,0.2464050639939778,0.25350890246208146,0.25813061421733696,0.26900041524064444,0.2875758034867088,0.29532272684463606,0.29682248052531646,0.3012680597748518,0.30395608311988725,0.30474315037278066,0.3070809185825128,0.307720675544839,0.30804971229742256,0.3117141498618231,0.31315369185227077,0.31578596561767147,0.3180602722232373,0.32171654597190247,0.3254981935893385,0.3267226793699625],"n_dims_used":42,"mean_confidence":0.9106758662632534},"coverage":{"mean_confidence":0.9106758662632534,"n_dims_used":42,"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}}