{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009397},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008286","490:4900008393","490:4900008730","490:4900009398","466:4660011484","490:4900008963","490:4900008612","466:4660003727","490:4900004389","490:4900009503","490:4900010087","490:4900008380","490:4900011467","490:4900010346","490:4900008849","490:4900012197","490:4900005795","490:4900006490","490:4900012703","494:4940000660","490:4900008267","490:4900010260","466:4660003957","490:4900012419","494:4940008308"],"twin_admin_codes":[490,490,490,490,466,490,490,466,490,490,490,490,490,490,490,490,490,490,490,494,490,490,466,490,494],"twin_sims":[0.005400075666957526,0.0027972705501322745,0.0005990266195809316,0.0005568676531415994,0.0005143289420734698,0.00045285308130579296,0.00032782834216283957,0.00017620853114617863,0.0001676494735692333,0.00012039445877003945,0.0001168673914756355,0.00009106907498767056,0.00007002136024450549,0.0000513698299433915,0.00004369103567261737,0.00004079611960131595,0.000039454783955550865,0.000039283146175895976,0.000033016197736282186,0.000022341185585319703,0.000021956062526840274,0.000018918147403407545,0.000017385561450527546,0.000017014903813079723,0.000014983437803637964],"twin_dists":[0.41969126201883544,0.44534304999246366,0.5003187534434682,0.5027730753481422,0.5054319778108641,0.5096623984867725,0.5202448540322614,0.5399981409058534,0.541551235321752,0.5517675078223819,0.5526757091216558,0.5602362167334509,0.5680939359324146,0.5772174981071507,0.5819295243839379,0.583913256547277,0.5848781928382727,0.5850039101738953,0.5899937167479652,0.6010559475908405,0.6015437234697741,0.6057051166495283,0.6080531675955908,0.6086506818162262,0.6121640568636127],"n_dims_used":45,"mean_confidence":0.898911370171441},"coverage":{"mean_confidence":0.898911370171441,"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}}