{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008674},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009122","490:4900007903","490:4900009121","490:4900009107","490:4900009123","490:4900009322","490:4900008888","490:4900008239","490:4900008675","490:4900008018","490:4900008455","490:4900008130","490:4900010399","490:4900008800","490:4900008678","490:4900010679","490:4900008021","490:4900008017","490:4900009331","490:4900008240","490:4900008337","490:4900008557","490:4900010595","490:4900008132","490:4900008673"],"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":[0.3036541866726971,0.27029062097746154,0.20086271928014884,0.15469971352447778,0.137351184365097,0.1366657807987187,0.12599196863284653,0.12560183714975418,0.11791994081871697,0.10971886323334151,0.10506519742915056,0.09848132392621918,0.09136301085486165,0.09006463508345455,0.08832154789579634,0.07793742352830511,0.07628918598486575,0.07616771689709091,0.07531840647713768,0.07253469551418167,0.06835256137240336,0.06770459897820104,0.06573885519986072,0.06305609313526055,0.06292565412215011],"twin_dists":[0.200517608979959,0.21008036565809285,0.23269895658638204,0.2509146439581529,0.25878704718038986,0.2591129076087223,0.2643535843645681,0.2645513912629015,0.2685451020350775,0.2730352167306576,0.27569965852205025,0.2796308614613586,0.28412041586749615,0.28496887635224977,0.2861233211674732,0.293404204680505,0.2946304624704159,0.2947216743888002,0.29536272409026904,0.2975055873971258,0.3008536957526939,0.3013872383453852,0.30303172613301044,0.30534210555457847,0.30545647491611644],"n_dims_used":45,"mean_confidence":0.8892673068576389},"coverage":{"mean_confidence":0.8892673068576389,"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}}