{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012510},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012294","490:4900012584","490:4900012364","490:4900012435","490:4900012439","490:4900012581","490:4900012295","490:4900012363","490:4900012438","490:4900012507","490:4900012509","490:4900012225","490:4900012436","490:4900012293","490:4900012093","490:4900004889","490:4900006442","490:4900012433","497:4970000777","490:4900011294","490:4900011755","490:4900012296","490:4900012362","490:4900006081","490:4900012366"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,497,490,490,490,490,490,490],"twin_sims":[0.7531314648469302,0.6464398551202569,0.4276942732826277,0.35703547343572956,0.2852991262295449,0.24535621398386373,0.2161412127276237,0.2158266915835682,0.2136741558113751,0.10819216941161168,0.10125812021193735,0.09255132011676834,0.08824262091632998,0.08590580936533711,0.07659133017413491,0.07154905633727812,0.06665144658246368,0.05832203682143002,0.05638371639102339,0.054975253371869696,0.053954503619195744,0.05142753643873939,0.05112846304068542,0.050573597733503325,0.048908919611294906],"twin_dists":[0.09779738241589105,0.12131627464023213,0.16927052216623512,0.1863977298244283,0.2056956937978284,0.21771273600919291,0.22732289733161792,0.22743092369861914,0.22817310518443712,0.2738994918964418,0.2779485394537428,0.2833522009644752,0.2861760207742105,0.2877535567465666,0.29440408688499553,0.2982802760816194,0.3022633610786297,0.3096233527055395,0.3114592148163398,0.31282621285014334,0.31383514098267923,0.3164026943054092,0.3167134665531698,0.3172940643647426,0.3190683649590762],"n_dims_used":45,"mean_confidence":0.8912224663628472},"coverage":{"mean_confidence":0.8912224663628472,"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}}