{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000274},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001060","496:4960008267","496:4960008581","490:4900000326","490:4900001065","490:4900001093","490:4900000503","490:4900001740","496:4960008962","496:4960008680","496:4960008379","490:4900000623","490:4900002188","490:4900000475","496:4960008585","490:4900000619","490:4900003893","496:4960009380","496:4960008773","496:4960009069","490:4900001167","490:4900000521","490:4900000517","490:4900001061","490:4900001193"],"twin_admin_codes":[490,496,496,490,490,490,490,490,496,496,496,490,490,490,496,490,490,496,496,496,490,490,490,490,490],"twin_sims":[0.8215549613302497,0.7052396217335096,0.6854261293713303,0.6665170834101124,0.6281613777837551,0.603661645819873,0.5933144054715954,0.583873685241945,0.5742321244410907,0.5431952934137134,0.5392583959435464,0.5357727450104529,0.5347636063384167,0.5223808272210406,0.5073734455720342,0.5023392833463769,0.4895804333438523,0.46339337023792365,0.4532590754333893,0.4489082493103297,0.44850706567825627,0.4420310025304164,0.4418757557662167,0.4371098214522725,0.4345719175932129],"twin_dists":[0.08142963402596388,0.10853927930545151,0.1128809614566355,0.11698649572496117,0.12524078691836965,0.13048882472760573,0.13270488755001,0.1347281915395304,0.1367969357497485,0.14348472784888572,0.14433729844748647,0.14509313494428505,0.1453121392953149,0.14800659804400915,0.15129212394825775,0.1523997864000821,0.15522109654985486,0.16108405213529486,0.16338307614201006,0.16437582908718623,0.1644675499939163,0.16595248536336035,0.1659881849612066,0.16708652441762065,0.16767332800624057],"n_dims_used":45,"mean_confidence":0.9171512179904514},"coverage":{"mean_confidence":0.9171512179904514,"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}}