{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010312},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011227","490:4900009529","490:4900011150","490:4900011147","490:4900010992","490:4900011292","490:4900010912","490:4900007774","490:4900010127","490:4900011296","490:4900008325","490:4900011626","490:4900011431","490:4900009940","490:4900010494","490:4900010224","490:4900011499","490:4900011498","490:4900011066","490:4900009929","490:4900011768","490:4900011893","490:4900011825","490:4900011625","490:4900011067"],"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":[0.5095280791135588,0.39376107473308464,0.3848547553605562,0.34211030036381834,0.3246024545998894,0.24618355134823616,0.2386279811025474,0.23367324410082121,0.20456108301976367,0.20177513932588242,0.19088293443019205,0.17878946646675925,0.17552530794968532,0.17177742413663447,0.1637933816140763,0.1626174133865754,0.14720784513867355,0.14654505697757947,0.144500675573004,0.1335472935030431,0.11507561704228013,0.1147097363001321,0.11367124080697444,0.1058254441105985,0.10279736165455895],"twin_dists":[0.1508189332153515,0.17731658332554845,0.17947970690418072,0.19022264229001076,0.19482506964552693,0.2174517732076476,0.21985641033642717,0.22146030106811174,0.23137267699227007,0.2323702025474898,0.23636407027098452,0.24098954484696195,0.24227576800742176,0.2437738027932684,0.2470450030243796,0.2475364795566309,0.2542297503219724,0.25452896929726637,0.25545826986672227,0.26061118331712696,0.27007435247309564,0.2702731688225617,0.2708401480453167,0.27525820152284025,0.2770314809257117],"n_dims_used":45,"mean_confidence":0.8866943359375},"coverage":{"mean_confidence":0.8866943359375,"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}}