{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012437},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012509","490:4900012581","490:4900012436","490:4900012295","490:4900012225","490:4900012297","490:4900012366","490:4900012584","490:4900012227","490:4900012365","490:4900012226","490:4900012507","490:4900012296","490:4900012435","490:4900011625","497:4970000778","490:4900012161","497:4970000325","490:4900012293","490:4900011821","490:4900011822","490:4900012439","490:4900012094","490:4900003923","490:4900004476"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,497,490,497,490,490,490,490,490,490,490],"twin_sims":[0.407000171456736,0.3003475402532264,0.2567952849163539,0.2398122435969892,0.23311723133634907,0.14332647054507786,0.13098446500496386,0.10340497273635114,0.08652803117233143,0.07428051902332616,0.07342459771987003,0.07285911578501428,0.07231697685347757,0.071729649674022,0.0639149524892273,0.0602851563347903,0.04918849127621923,0.04863055028540217,0.04782976208581528,0.045781387991244094,0.0443109382906561,0.042257070248496814,0.04211726341743814,0.03841476131922115,0.038407287471827874],"twin_dists":[0.174142430143383,0.20143654458591378,0.21415322914870816,0.219476277538005,0.2216416717063545,0.25599643443276954,0.2618623026680707,0.2766724238720669,0.28733020516147245,0.2961540754559817,0.2968134314288885,0.2972524652563329,0.29767597213247426,0.29813768995615736,0.304593854353693,0.3078145559600485,0.31876690062428503,0.3193699646532296,0.3202456893094757,0.3225428458148189,0.32424557816145516,0.3267051312286795,0.3268761825722479,0.33159037098067534,0.33160026852915514],"n_dims_used":45,"mean_confidence":0.8911019219292535},"coverage":{"mean_confidence":0.8911019219292535,"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}}