{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004128},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003310","490:4900003700","490:4900003720","490:4900002143","490:4900003035","490:4900003584","490:4900003585","490:4900003036","490:4900001832","490:4900003990","490:4900004957","490:4900003183","490:4900004971","490:4900004275","490:4900001976","490:4900001414","490:4900003987","490:4900004135","490:4900004959","490:4900001680","490:4900002600","490:4900007616","490:4900004282","490:4900004680","490:4900002598"],"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":[0.8343631533989159,0.8048748915371357,0.7554678860089492,0.6788729361721095,0.668335429750416,0.6578982777891154,0.6516893715447045,0.6397740485030782,0.6180921852655432,0.59622825541153,0.5640564883224547,0.5601646688985097,0.5497354332305072,0.5476085428945381,0.5328611413339361,0.528243069396549,0.5190216927357021,0.5115712375291235,0.5085366991990309,0.4984634276688179,0.4958706520095874,0.49431901362666086,0.4857716645620055,0.4752566662667387,0.4621934594533593],"twin_dists":[0.07815952730152174,0.08557308211468294,0.09726168555589261,0.11430744983984693,0.11659302129085784,0.11884827782147876,0.12018650659903436,0.12274894142884099,0.12739855312548726,0.132080719782316,0.1389840132251339,0.13982175195816998,0.14207083453674313,0.14253032222639048,0.14572524140665682,0.14672928998745982,0.14873998339771283,0.15037070179541476,0.1510365905950127,0.1532546528460716,0.1538275631302956,0.15417082986064704,0.15606748530843342,0.1584149637785026,0.16135531581960347],"n_dims_used":45,"mean_confidence":0.9230190700954861},"coverage":{"mean_confidence":0.9230190700954861,"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}}