{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002418},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003552","490:4900003817","490:4900002564","490:4900003961","490:4900003554","490:4900003962","490:4900002565","490:4900003427","490:4900002409","490:4900003553","490:4900003965","490:4900002113","490:4900002267","490:4900004651","490:4900003412","490:4900004796","490:4900001809","490:4900003955","490:4900001948","490:4900004786","490:4900008705","490:4900010074","490:4900000991","490:4900009670","490:4900004376"],"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":[0.28606143561555475,0.28012732330036716,0.27583816583749937,0.2690944358244194,0.2189281947127892,0.16342943176319505,0.157402344443679,0.124409739474253,0.1211286982513921,0.11730395927094213,0.10269964649858807,0.08667547855315591,0.08449926103282764,0.08236787737622978,0.07178204258744436,0.06798155660419815,0.0676571097120629,0.06756129102952492,0.06127401349602982,0.05251180271129687,0.04701365980140008,0.046000666607593804,0.045982789188646296,0.04426068423836342,0.04350270309175388],"twin_dists":[0.2054767639714962,0.20719039845920487,0.2084427615706942,0.21043618110932283,0.22637026128911908,0.24719683607823126,0.24974766304833917,0.26515872084231246,0.26685346503106816,0.2688738642845482,0.27708937840332915,0.28723023913284645,0.2887196311627569,0.2902082983447344,0.29809637796011607,0.30115868060825424,0.30142650502571017,0.30150580144949934,0.30692171467663903,0.31528846484657735,0.32115085725116066,0.32229287003455037,0.32231321272476277,0.32430460379150233,0.32520178481984063],"n_dims_used":45,"mean_confidence":0.9126668294270833},"coverage":{"mean_confidence":0.9126668294270833,"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}}