{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900006353},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900006108","490:4900006591","490:4900006103","490:4900005853","490:4900005850","490:4900006346","490:4900006107","490:4900006227","490:4900005982","490:4900006351","490:4900006102","490:4900006231","490:4900007564","490:4900005723","490:4900007444","490:4900005724","490:4900006352","490:4900005720","490:4900008139","490:4900005592","490:4900008251","490:4900005979","490:4900007687","490:4900006348","490:4900007807"],"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":[0.4242811145894022,0.010380994309345942,0.009193401217318155,0.0017072640965106088,0.0014024251055566013,0.000993681548505519,0.0006709919055474328,0.0005072171810037233,0.0002560879464046716,0.00022479449924017123,0.00012795312167691793,0.00008465186092759641,0.0000671505569942999,0.00006346500521172892,0.000060663744918599324,0.00004142162871381782,0.00003649911338465058,0.00003561517773525329,0.000033584728698089183,0.000020614170429981576,0.00001938351668351334,0.000019192368486355055,0.000016857132813024543,0.000011175099213489604,0.000008727781503469205],"twin_dists":[0.1700670619567922,0.39254673315148225,0.39773282211321265,0.4636669489688046,0.4707677804695671,0.4829547888454293,0.49647921507740456,0.5058964307019317,0.5281914009019703,0.5323372542038434,0.5499029529089206,0.5624319141295804,0.569335544906664,0.571005465549827,0.572337409715164,0.5834735435054793,0.5871195251034153,0.5878234267245912,0.5895054080495052,0.6033094726853276,0.6050280043528382,0.6053042280570351,0.6089087928129592,0.6201917468326059,0.6268781813277419],"n_dims_used":45,"mean_confidence":0.9163001166449652},"coverage":{"mean_confidence":0.9163001166449652,"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}}