{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001617},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000733","490:4900002040","496:4960011897","490:4900001735","490:4900004594","490:4900002501","490:4900004863","490:4900005793","490:4900004326","466:4660001782","490:4900001887","490:4900001746","490:4900004735","490:4900005401","490:4900005534","490:4900003080","490:4900001458","490:4900005920","490:4900002644","490:4900001886","490:4900002808","490:4900006889","490:4900009199","490:4900003889","490:4900004717"],"twin_admin_codes":[490,490,496,490,490,490,490,490,490,466,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.44656714640864414,0.40157740920455715,0.3820011633213733,0.37295090772102596,0.365669713335665,0.35397607064407555,0.3203727090494237,0.30397656834060055,0.29673558890545676,0.28973613319340824,0.28923424344508153,0.28777267864086165,0.27122899178552856,0.2708494426562526,0.26739931187818067,0.2651820995793357,0.2607065304380318,0.257726901517041,0.2521816242657256,0.23966576243206977,0.2292735551822271,0.21465970527039538,0.21333021760533927,0.2085171469185084,0.20823149423828932],"twin_dists":[0.16491150299808344,0.17543682687791307,0.1801777764600159,0.1824085655503299,0.18422271654681266,0.1871748628474187,0.19595734004518492,0.20042832932637494,0.20244710852564163,0.2044262926527797,0.20456929433677426,0.2049865790806267,0.20980191973457027,0.20991447289452403,0.2109420917152506,0.21160683577264044,0.21295930472046495,0.21386781457260381,0.21557644836477172,0.21952322982582226,0.22290332370261406,0.22783267024768575,0.22829216032177313,0.22997203738556787,0.23007256188653644],"n_dims_used":45,"mean_confidence":0.9130199856228298},"coverage":{"mean_confidence":0.9130199856228298,"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}}