{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003893},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002176","490:4900003898","490:4900004184","490:4900003892","490:4900002188","490:4900002180","490:4900004171","490:4900003227","490:4900001450","490:4900004034","490:4900001193","490:4900001740","490:4900001573","490:4900002498","490:4900002499","490:4900002004","490:4900004032","490:4900002483","490:4900002469","490:4900004597","490:4900000475","490:4900002341","490:4900004037","490:4900000953","490:4900003202"],"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":[0.8205881589502128,0.7929393217064251,0.7687783709426601,0.6988257234018728,0.687288870847167,0.6588658999091181,0.6578229975693519,0.6574817384568539,0.6561470553190627,0.6424588361928334,0.63652854605937,0.6193770919609025,0.6158574305923297,0.6126490193301681,0.5991850654315859,0.5950359204230373,0.5946431752953558,0.5866909579545737,0.5858147776128584,0.5857595019024007,0.581294407956116,0.5680054534903727,0.5644536212195791,0.5614271641817081,0.5593480235144737],"twin_dists":[0.08167317553758778,0.08846894835662435,0.09418408906097685,0.10994991701234857,0.11247469431989704,0.1186395096607752,0.11886451730101454,0.11893812934595724,0.11922596001602503,0.12217214151844422,0.12344582158419416,0.1271233078226014,0.12787721737237756,0.12856433780026072,0.13144745279414635,0.13233611275120655,0.13242024108418832,0.13412420383378826,0.1343120252730446,0.1343238749943844,0.13528133623733293,0.1381347219359894,0.13889857016703572,0.13954990752409124,0.1399976392423463],"n_dims_used":45,"mean_confidence":0.9178901672363281},"coverage":{"mean_confidence":0.9178901672363281,"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}}