{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011512},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011910","490:4900011977","490:4900010853","490:4900010507","490:4900011510","490:4900011314","490:4900011376","490:4900011844","490:4900010849","490:4900011380","490:4900011381","490:4900011160","490:4900009754","490:4900011442","490:4900011165","490:4900011322","490:4900010854","490:4900010851","490:4900010678","490:4900011374","490:4900011630","490:4900011298","490:4900010510","490:4900010593","490:4900011644"],"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":[0.37863913685645656,0.3100720278047388,0.2341899772259949,0.21397493041224475,0.21281887321964024,0.18423913212286577,0.15561341985873076,0.15447751692635228,0.14933333104404087,0.14750077651587676,0.1460550537639531,0.14548395964029895,0.13721004723088784,0.1349599698723795,0.1341370750471292,0.1158451113575613,0.11511003454404724,0.10112152592186467,0.09254627140991785,0.08575611052816819,0.08536638246316877,0.08012296184862747,0.0780317393518414,0.07366295921330346,0.07332269987260728],"twin_dists":[0.1810034476717168,0.19875045975745903,0.2212919970702478,0.2280690973842936,0.22846940380092112,0.23887874391287744,0.2505184549521457,0.2510112486148209,0.2532768518111896,0.2540978222512336,0.25475082780293595,0.2550100980657236,0.2588540481449421,0.2599292469269153,0.26032582446980423,0.26965779637101006,0.2700556753294284,0.278030445334818,0.28335544830622156,0.2878557740523428,0.28812255626643396,0.29180995651398134,0.29333466884234966,0.2966291890666386,0.29689234130806563],"n_dims_used":45,"mean_confidence":0.8880172729492187},"coverage":{"mean_confidence":0.8880172729492187,"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}}