{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001073},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000664","490:4900000199","490:4900001460","490:4900001874","490:4900004592","490:4900000556","496:4960011458","490:4900001185","490:4900000568","490:4900002496","490:4900001338","490:4900000032","490:4900000783","490:4900004306","490:4900000685","490:4900000923","490:4900001704","490:4900001077","490:4900001998","490:4900000684","490:4900004156","490:4900000954","490:4900001319","490:4900004031","490:4900001595"],"twin_admin_codes":[490,490,490,490,490,490,496,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.5122867876210949,0.4780586435996294,0.4648517848022373,0.4595898702227327,0.45809788018573155,0.45501720472957535,0.4439722977246475,0.4408925663540205,0.43862072862899804,0.4377374133270111,0.42859501850187554,0.4270255742981583,0.41854051159125805,0.408477003122815,0.391265766686509,0.388722177688681,0.3875873252288685,0.38627739933422006,0.38216280417636095,0.38008921033212456,0.37968464008515523,0.37956713373218415,0.3721222086251678,0.37101164552746374,0.3676349223987136],"twin_dists":[0.1502138312423086,0.15778781395637437,0.16075467910527055,0.16194476537111951,0.16228308619998053,0.16298291384371408,0.16550648538157792,0.16621438638087607,0.16673782004500046,0.16694162395207907,0.16906075034232146,0.1694263709559818,0.17141283276487443,0.17379124925351858,0.1779202966483541,0.1785375452252161,0.1788135504960073,0.1791326102798374,0.1801381679237969,0.18064689554669067,0.18074630721067397,0.18077519066233044,0.18261414795656228,0.18289000995439686,0.18373131163922723],"n_dims_used":45,"mean_confidence":0.917134263780382},"coverage":{"mean_confidence":0.917134263780382,"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}}