{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001996},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003456","490:4900003728","490:4900003866","490:4900004292","490:4900003865","490:4900004304","490:4900003209","490:4900002639","490:4900003199","490:4900003068","490:4900003464","490:4900003084","490:4900004009","490:4900004307","490:4900004577","490:4900003058","490:4900003593","490:4900002455","490:4900002452","490:4900002603","490:4900003457","496:4960007892","490:4900004022","490:4900004162","490:4900002301"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,496,490,490,490],"twin_sims":[0.8219763318662798,0.7049316200279976,0.7030045648734836,0.6717409008228439,0.6639899536971698,0.6515332795388156,0.6362077656326258,0.6255655930044449,0.6238315250843598,0.6195504002096449,0.5923324992416661,0.5787240642390635,0.5575465905058477,0.5503631336903897,0.5502505577550442,0.5395602483393737,0.5388427208968133,0.5367328423536276,0.5203295168213237,0.5135417993268319,0.5019062557728697,0.4989189932373742,0.49462427683484395,0.48857024083105877,0.48448486246718764],"twin_dists":[0.08132335075341396,0.10860714280950842,0.10903145275769524,0.11585540641860934,0.11753293227122961,0.12022012083865025,0.12351467882598652,0.12579724760975236,0.12616889524927205,0.12708618087262172,0.13291524671326246,0.13583275634573846,0.14038575537063458,0.14193528411224018,0.1419595927589969,0.14427188851100317,0.14442738460995871,0.14488484971297566,0.14845432010519294,0.14993882744874523,0.15249520500453936,0.15315407652092022,0.1541032723354927,0.15544538753699624,0.1563538980757024],"n_dims_used":45,"mean_confidence":0.9174268934461806},"coverage":{"mean_confidence":0.9174268934461806,"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}}