{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890000421},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890001522","489:4890000599","489:4890000500","489:4890000598","489:4890000272","489:4890000386","489:4890000546","489:4890001444","489:4890000273","489:4890000580","489:4890000314","489:4890000117","489:4890001548","489:4890001886","489:4890001469","489:4890000655","489:4890001550","489:4890001303","469:4690000749","489:4890001884","489:4890001472","489:4890000545","489:4890001523","489:4890000654","485:4850008864"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,469,489,489,489,489,489,485],"twin_sims":[0.5122067738716143,0.5062860318607184,0.5037549971585887,0.48762211519799903,0.4568374664741736,0.43705952750397015,0.41788953935920625,0.388481393768844,0.379409984457015,0.37881817922820293,0.3607069371847139,0.3563747763284964,0.3335270497844605,0.33078055219963254,0.3281404747660546,0.3266836544167173,0.3109893257355448,0.3108396985026422,0.3059255583603276,0.30322655047527725,0.2894931035041021,0.2796092541323811,0.2775449778582522,0.2720852761640327,0.2709604000265548],"twin_dists":[0.15023136995854075,0.1515311368464706,0.1520879872689962,0.1556560253428117,0.1625692039087875,0.16709814000895146,0.17156593212488538,0.17859607402994823,0.1808138252391701,0.18095938798879768,0.18546963137937045,0.1865652646605918,0.19246253670859761,0.19318585364505036,0.193884252749843,0.1942709617682502,0.1984996063933566,0.19854049600380821,0.1998897453478993,0.20063612253487334,0.20449551977668837,0.20734104334394868,0.20794298836425068,0.20954834964282532,0.20988155904907144],"n_dims_used":45,"mean_confidence":0.9161500718858507},"coverage":{"mean_confidence":0.9161500718858507,"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}}