{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002645},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004183","490:4900004044","490:4900002601","490:4900003063","490:4900002642","490:4900002908","490:4900003724","490:4900003340","490:4900004043","490:4900003062","490:4900002750","490:4900002927","490:4900003065","490:4900002639","490:4900001025","490:4900004442","490:4900003084","487:4870002289","490:4900002926","490:4900003349","490:4900004008","490:4900001866","490:4900003467","490:4900005271","490:4900003879"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,487,490,490,490,490,490,490,490],"twin_sims":[0.4881117541878281,0.4576480015455024,0.4298424412955652,0.4252274013743039,0.4136828631192954,0.3968808727122268,0.36387465861216606,0.35978821875351424,0.34652596170898503,0.3336513038825514,0.2992518478683569,0.29338124262140347,0.2793899905076311,0.2770653074538816,0.2747757754146513,0.2690135022099111,0.26753863452304144,0.26415430428161035,0.26410973590251174,0.25854592659472525,0.2557959841736955,0.2536150711498748,0.2516373361829306,0.24738031345622258,0.24701075981374687],"twin_dists":[0.1555472305270797,0.16238517739319952,0.16877053983510815,0.1698459587199209,0.1725577589186469,0.176564268719414,0.18467273595053937,0.18570141630626363,0.18908204773661572,0.19242989017336048,0.20174234484220394,0.20339210078400113,0.2074048522027329,0.20808325102489628,0.20875479664117186,0.21046029081669712,0.21090043590013596,0.21191615442043332,0.2119295844093528,0.21361743156682284,0.21446010842270224,0.21513250193573644,0.21574543823578007,0.21707528083062164,0.21719141448904888],"n_dims_used":45,"mean_confidence":0.9162089029947916},"coverage":{"mean_confidence":0.9162089029947916,"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}}