{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000676},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000688","490:4900001427","490:4900000821","487:4870005718","496:4960007283","490:4900003082","490:4900000909","487:4870001962","490:4900000671","487:4870003003","490:4900000930","490:4900001045","490:4900000569","490:4900000428","490:4900000564","487:4870001779","490:4900003078","490:4900000411","490:4900000679","496:4960005268","490:4900000808","496:4960007417","490:4900001180","494:4940006149","496:4960007546"],"twin_admin_codes":[490,490,490,487,496,490,490,487,490,487,490,490,490,490,490,487,490,490,490,496,490,496,490,494,496],"twin_sims":[0.42680105322409617,0.3968943497701916,0.3758312998959738,0.3448748073901747,0.32158752971246124,0.3153876398248627,0.31436872774440083,0.30300954522976503,0.2953912819558762,0.2932770052013373,0.28662504004575634,0.2836993810303249,0.28366780357110605,0.28223901111522803,0.2800686474019688,0.2734558421681065,0.2648306349007079,0.2610662442502934,0.2573611595324418,0.24783084051270682,0.24643444054673863,0.24410313883220427,0.22951453575413713,0.22861346889369702,0.2251026727873636],"twin_dists":[0.16947872099576505,0.17656102475250493,0.18169574516491893,0.18950764373043347,0.19563129157469938,0.1973026259818158,0.19757906873182726,0.2006962997238206,0.20282506806823725,0.20342156878145867,0.20531512598422497,0.20615627622987293,0.20616538342211702,0.20657810065703064,0.2072074518191377,0.20914350672244514,0.21171252603989626,0.21285006810512713,0.21397978723070987,0.2169338515295515,0.2173727480468451,0.2181090689445932,0.22282381612175814,0.2231213914488588,0.2242882879932718],"n_dims_used":45,"mean_confidence":0.9132600572374132},"coverage":{"mean_confidence":0.9132600572374132,"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}}