{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000317},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000996","480:4800000548","480:4800000508","480:4800000602","480:4800000316","480:4800001035","480:4800000662","480:4800000584","480:4800000648","480:4800000760","480:4800000551","480:4800000480","480:4800000677","480:4800000463","480:4800000646","480:4800000714","480:4800000723","480:4800000611","480:4800000499","480:4800000340","480:4800000583","480:4800000721","480:4800000546","480:4800000843","480:4800000542"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.49024335240199474,0.4456232174550954,0.44528141537945765,0.44237592739480114,0.4271448954698068,0.3984687624900674,0.39143042005692924,0.3906280760606621,0.38423099275265027,0.37913515070158016,0.3746811584987107,0.3739888816811841,0.3700326412302528,0.3655640125316775,0.3638204166187942,0.3583977850380467,0.3565685689700313,0.3516331539299728,0.34847809248624373,0.3479149786991348,0.3333836607070283,0.3319379070206518,0.32366726983860167,0.32364346641216385,0.322613913759571],"twin_dists":[0.15507398546973364,0.1651277867929588,0.16520614743640663,0.16587318592904984,0.16939855427617687,0.17618240570262544,0.17788040533853408,0.17807486690276342,0.1796320850505408,0.1808814107435025,0.1819800517729044,0.18215138396371658,0.18313353259873158,0.18424918480657834,0.18468635181128185,0.18605278712552925,0.1865161075449982,0.1877723543672726,0.18858025223627942,0.18872484841673537,0.19250021900437023,0.1928806543998562,0.19507469959482784,0.1950810587047115,0.19535635455836245],"n_dims_used":43,"mean_confidence":0.9101247565690861},"coverage":{"mean_confidence":0.9101247565690861,"n_dims_used":43,"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}}