{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012593},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012724","490:4900012926","490:4900012919","490:4900012370","490:4900013218","490:4900012368","490:4900012383","490:4900012732","490:4900012243","490:4900012233","490:4900012455","490:4900012443","490:4900012723","490:4900012314","490:4900012921","490:4900012925","490:4900012594","490:4900013129","490:4900012384","490:4900012234","490:4900012666","490:4900000999","490:4900012456","490:4900012447","490:4900012519"],"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":[0.3223848494974593,0.3115812951878326,0.2711772105895768,0.25681017308814486,0.20914334151844996,0.19908508107371153,0.1848973365085097,0.18095391348176743,0.17486904531817987,0.16324325345997392,0.15509405382961572,0.1363404866211551,0.12175185630386384,0.12096583344678905,0.12022677844486904,0.11524230972543964,0.10981527722529957,0.1070368430148753,0.1066363069191988,0.10283017356720857,0.09707846522166401,0.09639710791506251,0.09630273282509297,0.09140571794485593,0.08286637361634025],"twin_dists":[0.1954176714975704,0.1983379452199898,0.20981726943041917,0.21414866279622766,0.22975199987487507,0.23334242336130565,0.23862680018911447,0.2401458220367835,0.24253641651471675,0.24727460082577965,0.25074344599631293,0.25926799002978956,0.2665289196494418,0.2669384961673456,0.26732545603905256,0.26998393426004014,0.27298094918166577,0.27455983752899016,0.2747900616644973,0.2770120490789713,0.28049496127089146,0.2809181905184771,0.28097699743773114,0.2840926702401452,0.28985739004938],"n_dims_used":45,"mean_confidence":0.9126147800021701},"coverage":{"mean_confidence":0.9126147800021701,"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}}