{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012716},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012494","490:4900012715","490:4900012636","490:4900012502","490:4900004825","490:4900005095","490:4900005235","490:4900005230","490:4900004693","490:4900004811","490:4900012779","490:4900012359","490:4900005099","490:4900003853","490:4900012493","494:4940008092","490:4900012848","490:4900007613","490:4900006992","490:4900007606","490:4900002136","490:4900005755","466:4660006583","490:4900007489","490:4900002881"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494,490,490,490,490,490,490,466,490,490],"twin_sims":[0.601400760933537,0.49687179628960315,0.4534324416519873,0.42985483035948363,0.4293859327340109,0.3985604961243918,0.3879368229306105,0.37742425761264126,0.37250773741302823,0.34666240847107266,0.34595350973063255,0.3338070828684088,0.33216616602592447,0.33204550838338476,0.3261397676106818,0.3247224515496325,0.3243224073095304,0.3167927571169564,0.3139849061305114,0.31145033315656434,0.3026960776567762,0.28463281344716684,0.2807273756964047,0.27641990351395457,0.269850276195497],"twin_dists":[0.13097296240250655,0.15360624536114675,0.1633435915159278,0.16876765926997367,0.16887670568237284,0.1761603664606127,0.17872850925795838,0.181302679150954,0.18251847848032413,0.18904692569930304,0.1892294792642531,0.19238897013612807,0.19282053031150195,0.19285230907274817,0.19441557934402898,0.19479306767889729,0.19489978099361013,0.19692222997507344,0.19768333588724168,0.1983736945621922,0.20078327088878972,0.2058873423592369,0.20701612561240437,0.20827221073130042,0.2102112364891439],"n_dims_used":45,"mean_confidence":0.9105092366536458},"coverage":{"mean_confidence":0.9105092366536458,"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}}