{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890001196},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890000834","489:4890001197","489:4890001259","489:4890000719","489:4890000610","485:4850004310","489:4890001261","489:4890001007","489:4890001198","489:4890000503","489:4890000553","485:4850004032","485:4850004174","489:4890000770","489:4890001015","489:4890001201","489:4890001258","489:4890001534","489:4890000552","485:4850003667","489:4890000665","489:4890000829","485:4850004102","489:4890000943","489:4890000275"],"twin_admin_codes":[489,489,489,489,489,485,489,489,489,489,489,485,485,489,489,489,489,489,489,485,489,489,485,489,489],"twin_sims":[0.9069339454687707,0.8956048996375074,0.8635705555621604,0.8244031567042346,0.8186161555177108,0.8157220465335724,0.8118995336018914,0.8107238154814206,0.808592537785002,0.804988545521556,0.775515294734608,0.7695945414840373,0.76785308142666,0.7674905069241829,0.7605772492263718,0.7604721014552714,0.7493777949155529,0.7485380961537784,0.7478330477670878,0.7475153797748473,0.7473988321561748,0.7418080466787178,0.7376715309395754,0.7278101387899347,0.7244440236652003],"twin_dists":[0.05740559851669226,0.060987356542218985,0.07034347434733411,0.08070957006234526,0.08216857768477613,0.08289240780799831,0.08384274305943241,0.08413377768956246,0.08465986785061579,0.0855452461174693,0.09260835516174845,0.09399386814622894,0.09439952180450105,0.09448387578589794,0.09608563547841405,0.09610990276108043,0.09865538650378887,0.09884688779769284,0.09900756027724146,0.09907991747309307,0.09910645870162228,0.10037622070134357,0.10131152945788437,0.10352798154244626,0.1042805248117538],"n_dims_used":45,"mean_confidence":0.9195510016547309},"coverage":{"mean_confidence":0.9195510016547309,"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}}