{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004852},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900006173","490:4900006174","490:4900006170","490:4900006766","490:4900005254","490:4900006532","490:4900006406","490:4900005517","490:4900007514","490:4900007391","490:4900005783","490:4900004979","490:4900005666","490:4900006176","490:4900007511","490:4900005907","490:4900006646","490:4900007641","490:4900007517","490:4900004984","490:4900005268","490:4900008762","490:4900006167","490:4900005142","490:4900005118"],"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":[0.8533905176132869,0.7693956163352653,0.730724713917805,0.7215781652251773,0.7126937342522566,0.6651532977690764,0.659661822932887,0.6123467815218668,0.6082559289090501,0.579380865793806,0.5625368409734578,0.5594926414281068,0.5285515673849197,0.5277363673835853,0.5258305069002547,0.5039844358632645,0.5028531402995129,0.4944953339937988,0.4847791275498799,0.47838672302086993,0.47756450720382193,0.47025466158502677,0.46499751645887943,0.45887117586637954,0.45846946739025973],"twin_dists":[0.07313168136525533,0.09404024752030044,0.10287477396532305,0.10491970876643217,0.10689285669421349,0.1172814429756994,0.11846774069356882,0.12862906131088037,0.12950505988120642,0.13569183238935237,0.13931103608169604,0.13996648916380464,0.14666215916321465,0.14683956951572305,0.14725457208170556,0.1520374777381835,0.15228658606247084,0.15413180708374796,0.15628838067739087,0.15771445991776473,0.1578983267067023,0.15953756834551888,0.16072178638170473,0.16210768595355604,0.16219878890600217],"n_dims_used":45,"mean_confidence":0.9146686130099826},"coverage":{"mean_confidence":0.9146686130099826,"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}}