{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890002820},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890002649","489:4890002401","489:4890003451","489:4890003367","489:4890002642","489:4890002825","489:4890003489","489:4890003508","489:4890003371","489:4890002652","489:4890002994","489:4890002314","489:4890003435","489:4890002399","489:4890002992","489:4890003444","489:4890003228","489:4890002309","489:4890002732","489:4890002400","489:4890002909","489:4890002482","489:4890003426","489:4890002977","489:4890003053"],"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":[0.9289463734417548,0.8999564251028103,0.8909617757256827,0.8701824788854226,0.8582260526690328,0.8562047748082613,0.8429406832538244,0.839737356039419,0.8344322480466266,0.8317715513424797,0.8312539682144413,0.8276232822572606,0.8262334990750501,0.8257227016804677,0.8210885149704906,0.8191298836234828,0.8107541322216445,0.8079193227223919,0.8061582163938285,0.8046622598049764,0.8032149015403232,0.7993085115151822,0.7931382906058192,0.7905396088580701,0.7817922900822235],"twin_dists":[0.049863775581811265,0.0596317498184746,0.06240837451585479,0.06849013152767339,0.071816657452096,0.07236834584272449,0.07592020580096064,0.07676144911617898,0.07814165474274756,0.07882802669303518,0.0789611063904738,0.07989069473066594,0.0802447487041028,0.0803746339706582,0.0815471887924171,0.0820396935567914,0.08412628050668472,0.08482565468194846,0.08525847262184018,0.0856251458702794,0.0859790641883461,0.08693024131123325,0.08842110021804162,0.08904494857176878,0.0911282528089346],"n_dims_used":45,"mean_confidence":0.9140732659233941},"coverage":{"mean_confidence":0.9140732659233941,"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}}