{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000268},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000338","490:4900000482","490:4900000498","490:4900001196","490:4900000229","490:4900000090","490:4900000731","487:4870004549","490:4900000334","490:4900004187","490:4900000356","496:4960008375","496:4960008137","496:4960008263","490:4900000425","490:4900000499","496:4960008151","496:4960008152","490:4900000327","490:4900000275","490:4900000431","490:4900001071","490:4900004599","487:4870003818","490:4900000490"],"twin_admin_codes":[490,490,490,490,490,490,490,487,490,490,490,496,496,496,490,490,496,496,490,490,490,490,490,487,490],"twin_sims":[0.867213853227848,0.7329489470037762,0.6118422683207794,0.5426294554167788,0.5421987877288781,0.5386673026020363,0.5138817453606461,0.5130027720713001,0.47406644960333266,0.47261664865531067,0.4700862319134494,0.46376326095222065,0.4633539694859279,0.4632584749419728,0.459054976861077,0.45342888655323466,0.45101671626083767,0.44892522818132125,0.4384043925154032,0.4332231890711123,0.42896031919514516,0.4267460311687195,0.41327427508378095,0.3966901173471429,0.39478441656000535],"twin_dists":[0.06932662511801799,0.1023752447982395,0.12873710024894122,0.14360719486051415,0.1437004218955241,0.14446540569879682,0.1498643659266307,0.15005692082487554,0.1586817283613695,0.15900697289777813,0.1595754384463014,0.1610004806429933,0.16109295554386047,0.16111453559563857,0.1620660114889898,0.16334440114351478,0.16389428325057612,0.16437194796002338,0.16678771947528792,0.1679857323068081,0.168975728113999,0.16949155184487463,0.17265432494803495,0.1766101895127679,0.17706951035983332],"n_dims_used":45,"mean_confidence":0.9132258945041233},"coverage":{"mean_confidence":0.9132258945041233,"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}}