{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002565},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003554","490:4900002415","490:4900002417","490:4900004376","490:4900003412","490:4900002264","490:4900001948","490:4900002113","490:4900003427","490:4900001809","490:4900003552","490:4900003965","490:4900001802","490:4900003553","490:4900002266","490:4900004103","490:4900004101","490:4900001798","490:4900003823","490:4900009775","490:4900002859","490:4900003407","490:4900003961","490:4900002418","490:4900003829"],"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":[0.7362299960775731,0.6026641460972023,0.5890887417318963,0.459932345156607,0.4157574425912696,0.4149689478097673,0.41278291580395116,0.39842751234212115,0.38762931509897963,0.366172432076606,0.2723193754997167,0.26365904993206124,0.24193416593425734,0.2202263621454959,0.21192577451091407,0.20507593323859544,0.1909766956623709,0.18988749165854765,0.18747475580119577,0.1765298099617315,0.17600861012064486,0.16870032924035794,0.16234201489200092,0.157402344443679,0.1558357703508201],"twin_dists":[0.10163667611053392,0.13070242280195718,0.13361029271549046,0.16186716185007594,0.17206808645170282,0.17225407390835895,0.17277050811885394,0.1761923169120019,0.17880333143206636,0.18409688469739002,0.20947911179205278,0.21206547122923383,0.2187982063310161,0.2259293044385898,0.22877966469573813,0.2311893528593076,0.23632902350136695,0.2367368977580776,0.23764625738982315,0.24187815044381897,0.24208425813165618,0.24502131498317725,0.24765194970377571,0.24974766304833917,0.2504222998617558],"n_dims_used":45,"mean_confidence":0.9209308200412326},"coverage":{"mean_confidence":0.9209308200412326,"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}}