{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":477,"cluster_id":4770001430},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["477:4770001377","477:4770001490","477:4770001487","477:4770001192","477:4770001773","477:4770001314","477:4770001714","477:4770001486","477:4770001376","477:4770001429","477:4770000821","477:4770001372","477:4770001435","477:4770001599","477:4770001491","477:4770001547","477:4770001492","477:4770001319","477:4770001660","477:4770002135","477:4770001251","477:4770001438","477:4770001020","477:4770001252","477:4770000064"],"twin_admin_codes":[477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477],"twin_sims":[0.9847709970446958,0.9101344733138752,0.8813468168966921,0.8713183688703343,0.8701444988671948,0.8611958647939943,0.8423634169126772,0.8416579722622163,0.8209193387549034,0.8208863190075381,0.8058976211384677,0.799657550084553,0.7888490531113576,0.7550953790612724,0.7498675003566176,0.7455825010575924,0.7452263895434613,0.730289020598395,0.7232457233213889,0.7151757994680109,0.7110594960963488,0.7076719501199754,0.7056390777312065,0.7039124936610408,0.6852009294795024],"twin_dists":[0.022752998399428133,0.05636101387539913,0.06527509503454437,0.06816811030373564,0.06850087983134572,0.07100068842254426,0.07607225481664134,0.07625779478008235,0.08158979955633576,0.08159811473701008,0.08532241131426369,0.08684548876731753,0.08944954635924618,0.09734718051884622,0.09854363196132382,0.09951970795520904,0.09960064662763901,0.10297251774778697,0.10454795365382155,0.10634284380768533,0.1072544961339235,0.10800289898227834,0.10845124616535708,0.10883160124140268,0.11293005353748875],"n_dims_used":45,"mean_confidence":0.9225151909722222},"coverage":{"mean_confidence":0.9225151909722222,"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}}