{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000285},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000143","490:4900000144","490:4900000239","490:4900000608","490:4900000235","490:4900000163","490:4900000339","490:4900000622","490:4900000500","490:4900000188","490:4900000423","490:4900001082","490:4900000237","490:4900000154","490:4900000026","490:4900001457","490:4900001591","490:4900000512","496:4960008286","490:4900003901","490:4900000510","490:4900000100","490:4900000580","490:4900000394","490:4900000246"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,496,490,490,490,490,490,490],"twin_sims":[0.650411963880016,0.5951756015387437,0.5730951686383384,0.5546195427381985,0.5446878329510058,0.534929512828597,0.5218279410893897,0.5091302047174318,0.4932972731865074,0.4927179532790997,0.48260994266328894,0.48188957226115087,0.47962570747817174,0.47889122908031173,0.47576302006327037,0.47531807421238026,0.4492899951485945,0.44917175439633583,0.4440953243560786,0.440284614412466,0.4337182842471582,0.42676646037158855,0.4238757031679407,0.40401052796450265,0.3946186573874783],"twin_dists":[0.12046155567308695,0.13230619272570227,0.13704109339228313,0.14101677204627167,0.14316180046553137,0.1452761284111489,0.14812723158109042,0.1509062732950091,0.15439703865114401,0.1545253583018295,0.1567716355055081,0.1569322710628352,0.15743758570459387,0.1576016908895758,0.15830154065768348,0.15840120630631283,0.1642885807535857,0.16431560180169696,0.1654782461533951,0.166354355533288,0.16787100875701438,0.16948678778429735,0.17016185060326883,0.17485508645083656,0.17710951069345818],"n_dims_used":45,"mean_confidence":0.9137235853407119},"coverage":{"mean_confidence":0.9137235853407119,"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}}