{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890002952},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890002865","489:4890002866","489:4890002949","489:4890001797","489:4890002212","489:4890003034","489:4890003268","489:4890003118","489:4890002784","489:4890003029","489:4890002871","489:4890002536","489:4890002197","481:4810005459","489:4890002953","481:4810005047","470:4700008595","489:4890003037","478:4780005876","481:4810005379","478:4780003963","481:4810004176","481:4810004189","489:4890002284","489:4890003269"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,489,481,489,481,470,489,478,481,478,481,481,489,489],"twin_sims":[0.9106779219701178,0.8395511028883028,0.8047962797914012,0.5790630346645981,0.49129386785682566,0.4274035076011772,0.36125062118497986,0.35564193209316053,0.343726203147786,0.30906397465557267,0.2888527827077278,0.26758469754635045,0.24042717898244106,0.23558355850205562,0.2290672017991843,0.21637001515289275,0.21304281769793082,0.21216103205403022,0.20865657172045163,0.20232911069602866,0.197168721410215,0.18358882569183954,0.18209363424319472,0.1721533107147022,0.16904030354559405],"twin_dists":[0.05618208429316194,0.07681017671703907,0.08559233261148605,0.13576002484042626,0.15484098276077227,0.16933827646085503,0.18533260622356454,0.18675128142620678,0.18980434149981246,0.1990266228777507,0.20467808170344645,0.2108866665659355,0.2192793724786437,0.22083930650016337,0.22297145049258213,0.2272443786871124,0.22839174417729244,0.2286978508571205,0.22992300623707154,0.23217109967528524,0.23404056211983656,0.2391282879308737,0.239704415919321,0.24362251236723498,0.24488268421563436],"n_dims_used":45,"mean_confidence":0.9197480943467882},"coverage":{"mean_confidence":0.9197480943467882,"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}}