{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910000780},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910000840","492:4920006792","491:4910000779","491:4910000846","492:4920006786","492:4920006997","492:4920007017","491:4910000718","491:4910000906","492:4920006607","492:4920006600","491:4910000902","492:4920006508","492:4920003708","491:4910000901","492:4920005296","492:4920006320","492:4920005079","491:4910003162","491:4910001156","492:4920005021","492:4920006680","492:4920006069","492:4920007027","492:4920006077"],"twin_admin_codes":[491,492,491,491,492,492,492,491,491,492,492,491,492,492,491,492,492,492,491,491,492,492,492,492,492],"twin_sims":[0.7347287608636716,0.5391109413528619,0.5200967435165331,0.41899018590463577,0.41439541517366807,0.3955824980813416,0.36300543132107277,0.3607884834090403,0.3602851592525249,0.350784840761779,0.33659335448793104,0.31880592954879355,0.31568691843614516,0.29810395417174185,0.28520424820822815,0.27169612778483404,0.2618769099647377,0.2559691136300989,0.2509527110999744,0.24711820042014332,0.24091359009530022,0.23128631602127142,0.22989063417209848,0.22681722505036322,0.22544071931513254],"twin_dists":[0.10197486061120332,0.1443692536676107,0.1485051515408959,0.17130713503417352,0.17238945262506483,0.17687702900629254,0.1848910537066132,0.18544907250983653,0.18557600495406662,0.1879892027200681,0.1916588167901593,0.19637887712374885,0.19722152443622074,0.20206341821489632,0.2057229666842012,0.20966352645510408,0.21260423382881546,0.2144068871352283,0.21595833106528248,0.21715763936495186,0.21912385294984504,0.2222409306704298,0.22269983868832907,0.22371691992040885,0.22417540712818396],"n_dims_used":45,"mean_confidence":0.8983907911512586},"coverage":{"mean_confidence":0.8983907911512586,"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}}