{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003204},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003208","490:4900004580","490:4900003464","490:4900003880","490:4900004013","490:4900003083","490:4900004158","490:4900004156","490:4900003610","490:4900003336","490:4900003199","490:4900001839","490:4900003607","490:4900003864","490:4900003218","490:4900003061","490:4900001875","490:4900003478","490:4900003734","490:4900003215","490:4900002165","490:4900003209","490:4900001426","490:4900001840","494:4940003950"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494],"twin_sims":[0.6715999188293905,0.6412918960075581,0.6337996494579733,0.5746069786302505,0.5462068506847634,0.5143170967594874,0.49188856914431367,0.4908518234934579,0.47877799268274895,0.4647761004050616,0.4502185223868283,0.44557334626940964,0.4243091569546094,0.40938304604813147,0.4072768317262398,0.4060543130657044,0.4041881100099724,0.4036002170029936,0.3976283454423305,0.39583874230613303,0.39068450280551653,0.38526891886521264,0.382355335011628,0.376169075300804,0.35986908040075755],"twin_dists":[0.1158859613670092,0.12242288408916413,0.12403147964235221,0.1367164475383341,0.14283330499745395,0.14976902478796245,0.1547091444844232,0.1549390094398105,0.15762699857710782,0.16077176305179836,0.16407648095096553,0.1651392187000361,0.17006050680969925,0.17357607580697945,0.17407659923835667,0.1743676460246753,0.1748126896566345,0.17495307804211627,0.17638442608979385,0.1768152659918896,0.17806118482905395,0.1793785964459071,0.18009100059106442,0.1816123304581965,0.18568100347745556],"n_dims_used":45,"mean_confidence":0.9110497368706597},"coverage":{"mean_confidence":0.9110497368706597,"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}}