{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008099},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002630","470:4700005175","470:4700006986","496:4960003363","490:4900002338","466:4660003286","490:4900003089","496:4960011552","470:4700003512","496:4960012052","490:4900008208","466:4660003470","494:4940003815","470:4700004337","466:4660003451","490:4900001574","480:4800002486","490:4900006411","470:4700001962","478:4780008899","496:4960012054","485:4850000046","490:4900004038","470:4700003668","466:4660002748"],"twin_admin_codes":[490,470,470,496,490,466,490,496,470,496,490,466,494,470,466,490,480,490,470,478,496,485,490,470,466],"twin_sims":[0.2595567729001832,0.2550814247805873,0.24084294075413715,0.2380953819893371,0.22046331123271937,0.21677263611656494,0.21118749093453457,0.2048710187890387,0.20233956747387588,0.2004997444954659,0.19318659695966353,0.1845693880063599,0.18387348331689604,0.18067744682198,0.18003845948976885,0.17488007200837993,0.17453795094344435,0.17025040411270348,0.16962995360593233,0.16678428892940195,0.16634486775435522,0.1662468047818854,0.15990347954955747,0.15986038229599744,0.1572395963563037],"twin_dists":[0.21330909547232108,0.21468001108281562,0.21914642890683395,0.2200277679974019,0.22584900647817466,0.2271063459763226,0.22903681276665191,0.23126227951954773,0.2321673450090937,0.2328300258261151,0.23550644206491272,0.23875225137228262,0.2390189788821453,0.24025319188555017,0.2405017977060474,0.24253203127636513,0.2426681824382883,0.24439086296714316,0.24464271795758136,0.2458063975962952,0.24598736204223626,0.2460277938256001,0.24868064174605037,0.24869892443041644,0.24981752083795636],"n_dims_used":45,"mean_confidence":0.9183915032280816},"coverage":{"mean_confidence":0.9183915032280816,"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}}