{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":487,"cluster_id":4870001154},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["487:4870000808","487:4870000117","487:4870000167","487:4870000067","487:4870000227","487:4870001167","487:4870001528","487:4870000389","487:4870000809","487:4870000568","487:4870000178","487:4870001071","487:4870001922","487:4870002740","487:4870000807","487:4870001260","487:4870000510","487:4870000112","487:4870003952","487:4870000986","487:4870000176","487:4870000145","487:4870001070","487:4870000641","487:4870000114"],"twin_admin_codes":[487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487],"twin_sims":[0.651405224592864,0.5598323099751231,0.3867909793385082,0.3863537187386363,0.2841732139088459,0.27889561270590363,0.26957197563133484,0.2600720056475333,0.21217696416312526,0.1902104167318891,0.16890142273246433,0.16486575826124472,0.16040924218319652,0.1474519195988169,0.14386284842720742,0.14304931666510903,0.14094754280987967,0.13843665321875073,0.132268303831054,0.13190120453517726,0.12974663882723952,0.12483307941278587,0.12400426647161089,0.11938719692109162,0.10549086127647508],"twin_dists":[0.12024769632384202,0.13989333041057064,0.17900745619330222,0.17911400704948835,0.20601969236453418,0.20754883503176838,0.2102940157466294,0.21315222599832265,0.22869231248396343,0.23661580192010856,0.24493929118119362,0.2465990419468983,0.24846635476974008,0.25411981257610533,0.255750196036397,0.25612393744170553,0.2570968723879541,0.25827346397706014,0.2612332780633477,0.2614126693065086,0.26247320038367195,0.2649425406735772,0.2653663020628929,0.26776726157024466,0.2754521808412256],"n_dims_used":43,"mean_confidence":0.9054719791855923},"coverage":{"mean_confidence":0.9054719791855923,"n_dims_used":43,"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}}