{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002008},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003600","490:4900002910","490:4900002909","487:4870010323","487:4870001862","487:4870000760","487:4870002291","487:4870001405","490:4900003223","487:4870011565","490:4900002905","487:4870001861","490:4900003881","494:4940005286","487:4870001588","487:4870001222","490:4900001837","490:4900002745","487:4870001947","490:4900004975","487:4870003975","490:4900003044","490:4900000679","490:4900001993","487:4870000759"],"twin_admin_codes":[490,490,490,487,487,487,487,487,490,487,490,487,490,494,487,487,490,490,487,490,487,490,490,490,487],"twin_sims":[0.448362046069363,0.40908476143153444,0.40791311874678865,0.36400736459278066,0.34042409331115264,0.33607119241942235,0.32480346649657393,0.30618096303467657,0.29938349915074686,0.29527446125768314,0.2903492655130944,0.2866580229783754,0.2864955823282198,0.2793580906297285,0.27778110592307803,0.269565396869728,0.2690968428134578,0.2617823626967856,0.2576951700379111,0.2572304603203171,0.2565801692375509,0.2522426747319176,0.24590945411070797,0.24518728440915208,0.2419804433456289],"twin_dists":[0.16450071280587328,0.17364689133746472,0.17392527083804477,0.18463942833233676,0.1906602686164786,0.19179540116934485,0.19477146553068608,0.19981931407264553,0.2017055672785755,0.20285796071816892,0.20425179533011817,0.20530567260898364,0.20535223670690606,0.2074141380605625,0.2078739953656215,0.21029597320918814,0.21043546414842138,0.21263288066809802,0.2138775252539276,0.2140198254337032,0.21421922598799142,0.21555750799551118,0.2175381676848481,0.21776609023491245,0.21878346119136372],"n_dims_used":45,"mean_confidence":0.9120264689127604},"coverage":{"mean_confidence":0.9120264689127604,"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}}