{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001728},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002029","490:4900002925","490:4900001084","490:4900004462","487:4870005717","490:4900004460","487:4870003683","487:4870004984","487:4870005272","487:4870003004","487:4870003682","490:4900004874","487:4870003829","487:4870003540","490:4900000598","490:4900002200","490:4900002506","490:4900000028","487:4870004562","490:4900001871","490:4900001063","487:4870004985","496:4960011916","466:4660013023","490:4900000121"],"twin_admin_codes":[490,490,490,490,487,490,487,487,487,487,487,490,487,487,490,490,490,490,487,490,490,487,496,466,490],"twin_sims":[0.8239437369844674,0.5874737250447482,0.5840745317829923,0.5613017567629883,0.5518076343990542,0.5285546316784261,0.5282555528614978,0.5246653240005892,0.5235833738852979,0.5205849002053008,0.5058858567851539,0.5004524912749866,0.4898791187295153,0.4863573450362593,0.48046478919613206,0.48029546058648964,0.470647179913784,0.45461560694107006,0.44868225603247014,0.4475205123355024,0.44552576840725894,0.44168444439025,0.42969296999283724,0.42849324905060016,0.4274070474407279],"twin_dists":[0.08082598282368095,0.13395642164145755,0.13468512604915894,0.13957690694472422,0.1416234427023044,0.14666149239890966,0.14672657335363695,0.14750845566653753,0.14774431700515986,0.14839855737322338,0.15161912931805782,0.15281571127436908,0.15515480667971895,0.15593720359621183,0.15725020710638868,0.15728801213581037,0.1594493313963752,0.16307427027650323,0.1644274931751404,0.16469323305722972,0.16515012536651907,0.1660321844481399,0.16880529588264948,0.1690844420492187,0.16933745149245805],"n_dims_used":45,"mean_confidence":0.9101521809895833},"coverage":{"mean_confidence":0.9101521809895833,"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}}