{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890002352},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890002106","489:4890003249","489:4890002767","489:4890003022","489:4890003261","489:4890003533","489:4890001663","489:4890003100","489:4890002345","489:4890003171","489:4890001940","489:4890003097","489:4890002518","489:4890001677","489:4890003179","489:4890002599","489:4890001746","489:4890003094","489:4890003103","489:4890002249","489:4890002679","489:4890003262","489:4890003424","489:4890002583","489:4890002022"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489],"twin_sims":[0.6285952107603563,0.619378323109597,0.5959930197905691,0.5777580739019724,0.5616107384954601,0.5586845950363328,0.5453281367190158,0.5293649868538144,0.5253295417372962,0.5227754034978173,0.5063876558833431,0.48299133224660823,0.4721818670513109,0.4721211770974584,0.47141976850159834,0.44507678437342924,0.440860068814998,0.4369176544692619,0.4352503910109286,0.43491452796143865,0.4296892451456852,0.4221498310623636,0.41227707091996535,0.40981788091738686,0.40706318859233553],"twin_dists":[0.12514776942872968,0.12712304408145086,0.13213110482810714,0.1360400451636057,0.13951038659560017,0.14014055333224465,0.14302331190770012,0.1464851951576161,0.14736371277277657,0.1479205239043763,0.15150879419646354,0.1566866198337364,0.15910457523939178,0.15911820166157825,0.159275728050284,0.16525307159519628,0.16622186640525183,0.16713090901424732,0.16751632084260318,0.1675940314882167,0.1688061620715229,0.17056579914725373,0.17289017930212547,0.17347288264817073,0.17412743356302182],"n_dims_used":45,"mean_confidence":0.9178002251519097},"coverage":{"mean_confidence":0.9178002251519097,"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}}