{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890003774},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890003645","489:4890003905","489:4890003836","489:4890003651","489:4890003847","489:4890003646","489:4890003722","489:4890003713","489:4890003897","489:4890003898","489:4890003662","489:4890004608","489:4890003706","489:4890003648","489:4890003642","489:4890004846","489:4890003718","489:4890003715","489:4890004668","479:4790001919","489:4890003891","489:4890004085","489:4890004211","489:4890003906","489:4890001857"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,479,489,489,489,489,489],"twin_sims":[0.7053850753520507,0.7027421401925861,0.6765824209928019,0.6584301521806545,0.6575118520423686,0.626630095155899,0.5998725738830315,0.5679549000573253,0.5562429727373023,0.5470159985208809,0.5174961231516871,0.5143806547729093,0.5140125079007354,0.5066918390335065,0.5040291839927844,0.5030066472058462,0.4829472785850485,0.4818702557858702,0.46580172223231936,0.46572346598894754,0.44151812962288717,0.43698030938041893,0.4325359344064743,0.4317409343344807,0.4294784287384519],"twin_dists":[0.10850722636080253,0.10908919697638547,0.11480508059226353,0.1187335313495192,0.11893163392539584,0.12556906893860875,0.1313002192266447,0.1381455898257837,0.14066673030510965,0.14265838741568904,0.14907342439882715,0.1497551073789917,0.14983572706715648,0.15144192481021665,0.15202762743524176,0.1522527753184729,0.15669643877481187,0.15693657948775844,0.1605403353526334,0.1605579873576058,0.1660704410037622,0.1671164368291643,0.16814507057084838,0.1683295168144993,0.16885519104665875],"n_dims_used":45,"mean_confidence":0.9198052300347223},"coverage":{"mean_confidence":0.9198052300347223,"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}}