{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000019},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000032","490:4900000051","490:4900000685","490:4900000034","490:4900000020","490:4900003891","490:4900001847","490:4900000037","490:4900001316","490:4900004182","490:4900000953","490:4900000954","490:4900002350","490:4900004179","490:4900002804","490:4900000777","490:4900000199","490:4900003894","490:4900000033","496:4960008162","490:4900001998","490:4900003892","490:4900000157","490:4900003753","490:4900000196"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,496,490,490,490,490,490],"twin_sims":[0.6110414716937028,0.5483427991180183,0.4931700922429485,0.4092069095943351,0.40242997248263807,0.35295657184688806,0.34189468895562186,0.3389194375858727,0.3343481747588419,0.3225969206652401,0.3140845720979765,0.3037685529165901,0.2982637871319718,0.29186004383512104,0.29163645498549357,0.2811647285648625,0.27786099521274066,0.2745640010891122,0.27416994509279774,0.27167497643472127,0.2705861868757216,0.2701782969235527,0.2675134346985179,0.26717469369725594,0.26508902288767866],"twin_dists":[0.12890858359103052,0.1423716617922161,0.15442520551091965,0.17361788948389906,0.17523280521868295,0.18743460229972353,0.19027853615714863,0.1910517582330513,0.19224691674311045,0.195360902510725,0.19765625414641003,0.20048593035702525,0.20201866849768949,0.20382276228973953,0.20388617398463044,0.2068892477782095,0.20785066103654623,0.20881708526258305,0.2089330663709856,0.209669789562661,0.20999259710035997,0.2101137359329975,0.21090796935035894,0.21100927827082983,0.2116348167092741],"n_dims_used":45,"mean_confidence":0.9182981703016493},"coverage":{"mean_confidence":0.9182981703016493,"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}}