{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011201},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012190","490:4900011984","490:4900011801","490:4900011475","490:4900010625","490:4900011870","490:4900012188","490:4900011042","490:4900011122","490:4900011593","490:4900011809","490:4900011805","490:4900011610","490:4900011866","490:4900010709","490:4900011661","490:4900010714","490:4900011273","490:4900011272","490:4900010965","490:4900011666","490:4900011864","490:4900011182","490:4900011461","490:4900010797"],"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":[0.5196564998492522,0.45158979053553894,0.44707475125686175,0.4424243414362639,0.43825025007743273,0.42943446634846244,0.42498289428588526,0.40371820864383406,0.39602364354847486,0.367680150785419,0.3571269952454069,0.33242468222974236,0.3320668861621405,0.33200074051367306,0.3209715518240527,0.317783308350894,0.30623114297089055,0.29975830979623086,0.298902524069702,0.2890082938081403,0.2801819273608287,0.28008482303022625,0.27639716353005755,0.27634018443274305,0.27103919567909573],"twin_dists":[0.14860130357045395,0.16376354591018744,0.16479526661024416,0.1658620572872752,0.166823279414843,0.16886541649346173,0.16990306903646155,0.1749248943775322,0.176770710342835,0.18372001769888427,0.18637453496901832,0.1927524636404323,0.19284667814211054,0.19286410162118092,0.19579652891036384,0.1966546388375517,0.19980548026933506,0.2016009135199798,0.2018399764613481,0.20463372171977912,0.2071745304720329,0.20720275037400968,0.20827887339856524,0.2082955693747776,0.2098581905466475],"n_dims_used":45,"mean_confidence":0.9164480421278212},"coverage":{"mean_confidence":0.9164480421278212,"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}}