{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000785},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000494","490:4900000934","496:4960008146","490:4900004326","490:4900000466","494:4940008024","490:4900000920","490:4900003080","494:4940008507","490:4900000786","490:4900000577","490:4900001046","490:4900000680","494:4940008513","494:4940008233","490:4900000570","490:4900002932","490:4900004464","490:4900000948","490:4900000177","490:4900001436","480:4800005038","490:4900003224","490:4900000489","490:4900000569"],"twin_admin_codes":[490,490,496,490,490,494,490,490,494,490,490,490,490,494,494,490,490,490,490,490,490,480,490,490,490],"twin_sims":[0.6213187759899952,0.6043665706668121,0.5759083835451606,0.5502406230091984,0.5433478852033442,0.524121971671206,0.5205699249070173,0.5110707920269921,0.47910772973408766,0.4702314236329464,0.44813029037227303,0.4418107157272455,0.43435235021208796,0.43110330147619236,0.43102682885261556,0.428401272723451,0.42719614777914283,0.42672628622501085,0.424001003547529,0.4235271964283163,0.42144488763348636,0.41742346046224826,0.41587653138878344,0.4154397409605048,0.4114446041098461],"twin_dists":[0.12670732324352948,0.13033787879305278,0.1364370509348638,0.1419617380186085,0.14345170563640802,0.14762689081599376,0.14840182703921345,0.15048044792052162,0.1575533095750825,0.15954279294599827,0.16455371865387242,0.1660031426168902,0.1677241596065971,0.16847755196570677,0.1684953120867815,0.16910585592295674,0.1693866070943909,0.16949615642668386,0.17013255026962168,0.17024336470334833,0.1707309938024241,0.17167560976152635,0.1720400094011902,0.17214300653015732,0.17308726108555475],"n_dims_used":45,"mean_confidence":0.9166568332248264},"coverage":{"mean_confidence":0.9166568332248264,"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}}