{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":473,"cluster_id":4730003236},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["500:5000003056","477:4770003882","500:5000002095","473:4730004056","500:5000002338","473:4730003596","500:5000001609","489:4890003406","473:4730001826","473:4730002443","477:4770000566","473:4730003178","473:4730003170","473:4730002762","473:4730002502","476:4760000373","473:4730003611","473:4730001295","485:4850002600","498:4980001252","473:4730002958","473:4730003111","473:4730003688","473:4730003678","489:4890003386"],"twin_admin_codes":[500,477,500,473,500,473,500,489,473,473,477,473,473,473,473,476,473,473,485,498,473,473,473,473,489],"twin_sims":[0.23901294276530785,0.2191616898973585,0.17757692281147658,0.15143126763467454,0.14638487016132315,0.14221277435784138,0.13739262830643223,0.13371555006164434,0.13331748990548856,0.13276986642113314,0.13178481775264125,0.13074610534371486,0.12958117273624498,0.12594567419527344,0.1221085065364471,0.1129494590287484,0.11103035888052917,0.10775941342651431,0.10665208755367594,0.10509562286981797,0.10500080161393056,0.10495561358325502,0.10487886866993942,0.10280480869945025,0.10099022348631359],"twin_dists":[0.21973270831520006,0.22629081945331542,0.24146537643086285,0.2523460577041405,0.25460143653688355,0.2565099002942666,0.25876738259535326,0.26052967798308524,0.26072262751331726,0.2609887832226374,0.26146962279507713,0.2619795993905004,0.26255519491020596,0.26437703253593736,0.26634374315923576,0.2712365672964941,0.2723001668902575,0.2741461970322065,0.27478097841840926,0.2756819435472925,0.2757371656503928,0.2757634959571255,0.2758082341508908,0.2770270702177987,0.2781092596421934],"n_dims_used":45,"mean_confidence":0.9197642856174045},"coverage":{"mean_confidence":0.9197642856174045,"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}}