{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800003692},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800002892","480:4800002648","480:4800002647","480:4800002700","480:4800002651","480:4800002701","480:4800003688","480:4800002603","480:4800003689","480:4800002668","480:4800003752","480:4800003698","480:4800003061","480:4800003101","480:4800003632","480:4800003282","480:4800002936","480:4800003693","480:4800003142","480:4800003018","480:4800002937","480:4800002847","480:4800002981","480:4800002845","480:4800003633"],"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":[0.7890232739103133,0.7849007001737573,0.7460556587896419,0.7049669235139683,0.695138766044152,0.6388258937644221,0.6327546900243558,0.5875225123413925,0.4981686677668286,0.4775879756943827,0.4747162513660832,0.4614975501983522,0.4538686032444066,0.40242450641609473,0.40100741728711065,0.38890981015334747,0.3868659049713694,0.381589627739612,0.379420961838648,0.3744077655848869,0.3638017753119784,0.36114404420279017,0.36074250930898993,0.34402038400643725,0.32324628634754904],"twin_dists":[0.08940789503506154,0.09039078940769762,0.09941212440505148,0.10859936486966489,0.11075846587738625,0.12295257269880337,0.12425567629913734,0.13394596477938225,0.15331974150921868,0.15789307718387685,0.15853606029824677,0.16151275345732452,0.16324427907078007,0.17523411264795333,0.17557333730226468,0.17849194809974428,0.17898920418174252,0.18027865566582957,0.18081112623830137,0.18204769543210866,0.18469103140125417,0.18535945863455774,0.18546066289044433,0.18972830107349628,0.19518720422576374],"n_dims_used":42,"mean_confidence":0.9121411641438802},"coverage":{"mean_confidence":0.9121411641438802,"n_dims_used":42,"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}}