{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890001485},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890000969","489:4890001214","489:4890001213","489:4890001155","489:4890001339","489:4890001149","489:4890001484","489:4890001209","489:4890001342","470:4700005767","489:4890000911","489:4890002808","489:4890001346","470:4700005761","489:4890001094","470:4700006429","470:4700006293","489:4890001566","489:4890001084","489:4890000844","489:4890003492","489:4890000966","489:4890001274","489:4890001156","470:4700006432"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,470,489,489,489,470,489,470,470,489,489,489,489,489,489,489,470],"twin_sims":[0.915305325007167,0.8597990876646213,0.8590702424812783,0.8186528469596135,0.8155737896061852,0.8104476596920314,0.7991817816203862,0.7675003595319774,0.7618966939101312,0.7614622587156152,0.7566307711691775,0.7564477477258512,0.7490138326081259,0.7483955415859904,0.7468646337328336,0.7372008208799321,0.7358400984109599,0.734362404963238,0.732123675472358,0.7321081529065577,0.729354258839069,0.7273327899156374,0.7273225895373974,0.7251066824044136,0.7178269705757828],"twin_dists":[0.054639226605528536,0.07138526969827091,0.07158537254497739,0.08215937655885178,0.0829293862273125,0.08420205184286639,0.08696100221154623,0.0944815840178804,0.09578088112335365,0.09588127196255564,0.09699457598882116,0.09703663715820204,0.09873841081138321,0.09887938319858164,0.0992280730425434,0.10141774553964142,0.10172455037187089,0.10205732443243527,0.10256069500117662,0.10256418192947125,0.10318210693160425,0.10363481964686787,0.10363710221299481,0.1041325324477835,0.10575431998624274],"n_dims_used":45,"mean_confidence":0.9156892564561632},"coverage":{"mean_confidence":0.9156892564561632,"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}}