{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003200},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002299","490:4900003881","490:4900003869","490:4900003606","490:4900003600","490:4900003467","490:4900002910","490:4900000915","490:4900004442","490:4900002761","490:4900003332","490:4900003749","490:4900003340","490:4900003727","490:4900000669","490:4900004025","490:4900003609","490:4900002927","490:4900002336","490:4900001845","490:4900000678","487:4870005569","490:4900003223","490:4900002599","490:4900003589"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,487,490,490,490],"twin_sims":[0.5997492416860447,0.5961945458836043,0.5733639132925171,0.5678250560618373,0.5553410299340014,0.5289123713683497,0.5268967355677058,0.45148550255312664,0.43308275264191476,0.4322573664461665,0.4117585229957786,0.40697749756342816,0.40671186444893925,0.39245541892551117,0.3907553929040559,0.3756291120967863,0.3655023342049148,0.35740545088893905,0.34088886725297807,0.33265426780199797,0.32653365173172244,0.31742910738338126,0.3167529489068328,0.31387639844771525,0.3096397984401169],"twin_dists":[0.1313266311891868,0.1320879399750314,0.13698337694111043,0.13817350397915165,0.1408611870541758,0.14658365699837334,0.14702235930761137,0.16378733288547467,0.168018283859141,0.16820968491997365,0.17301292215511727,0.1741478262431047,0.1742110535071993,0.17763225010834324,0.1780439970646754,0.18174569362342416,0.18426463129278148,0.18630398327999131,0.19053952888382578,0.19269203856026382,0.19431083363701632,0.19675026984238692,0.19693299377888754,0.1977128256996551,0.1988688088184055],"n_dims_used":45,"mean_confidence":0.9128100925021702},"coverage":{"mean_confidence":0.9128100925021702,"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}}