{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890004103},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890003858","479:4790000973","489:4890004042","489:4890004104","479:4790000493","479:4790000769","479:4790000427","489:4890004480","489:4890003859","479:4790000428","479:4790000698","470:4700007335","489:4890003925","489:4890004049","479:4790000975","479:4790003406","479:4790002976","479:4790001979","470:4700005897","489:4890003680","489:4890003801","479:4790000768","470:4700007903","470:4700006718","489:4890003987"],"twin_admin_codes":[489,479,489,489,479,479,479,489,489,479,479,470,489,489,479,479,479,479,470,489,489,479,470,470,489],"twin_sims":[0.8524666403958476,0.7312516278042727,0.6894463635264961,0.6730262884344649,0.633635107425872,0.5904265644216958,0.5514744180479367,0.49785401500032306,0.49502926441941847,0.4857302269636893,0.4758505826123288,0.4707423521218582,0.46715101225852607,0.46322617036795166,0.4593883022476873,0.4509168180065107,0.44157437362735436,0.43536443823440957,0.4339667148846655,0.43198491694865754,0.428605857035421,0.41488825865574475,0.41475213987198434,0.413530334501272,0.4117992206640838],"twin_dists":[0.07338108561601933,0.10275651943304182,0.11200368182243277,0.1155767486712588,0.124066784560113,0.1333236115855254,0.14169536640548797,0.15338923490550527,0.15401366353496035,0.1560767047232022,0.1582819306753422,0.1594279407011663,0.16023614100353026,0.16112183620174444,0.16199044955434128,0.16391707969140615,0.1660575028501416,0.1674899384960448,0.16781346217826187,0.1682728963494593,0.1690582272911626,0.17227311518122027,0.17230524053076232,0.17259380281452047,0.17300328637871462],"n_dims_used":45,"mean_confidence":0.9176303439670139},"coverage":{"mean_confidence":0.9176303439670139,"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}}