{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009865},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010247","490:4900007790","490:4900010345","490:4900009957","490:4900009858","490:4900008679","490:4900010249","490:4900008351","490:4900010515","490:4900010859","490:4900010856","490:4900010056","490:4900011321","490:4900010055","490:4900009562","490:4900008918","490:4900008015","490:4900009857","490:4900010430","490:4900010058","490:4900010334","490:4900009664","490:4900010683","490:4900010244","490:4900009534"],"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":[0.587001826356586,0.4757610498942567,0.1789884732585228,0.17417201306964103,0.1680198885765247,0.15070062931153036,0.127044529424071,0.10955048150878022,0.10310019586447211,0.09983259420848128,0.0897705436120355,0.08958052945272074,0.07275130217583133,0.07244972801861771,0.07001021832351643,0.06366358851295109,0.06252110817619803,0.05667294913446357,0.056548844910682065,0.05387253438327127,0.053273227178752075,0.04147787822991641,0.03919162131380441,0.037539808351760295,0.033846626992064206],"twin_dists":[0.1340575691129966,0.15830198189846648,0.24091166877318163,0.24281402273203856,0.2452993817679098,0.25266913761540694,0.2638222159824477,0.27313008057083016,0.27685232009308236,0.27880761836160245,0.28516240309255997,0.2852877091775433,0.2973364832035749,0.29757203289915657,0.2995072420753973,0.30481199019895705,0.30581242187548896,0.3111819964157984,0.31130080204896204,0.3139168449007593,0.3145173641006848,0.32766460862819907,0.33057036179129784,0.3327603021620412,0.3379690487208217],"n_dims_used":45,"mean_confidence":0.8906975640190973},"coverage":{"mean_confidence":0.8906975640190973,"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}}