{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890002769},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890003023","489:4890002682","489:4890003024","489:4890002601","489:4890003016","489:4890002443","489:4890002521","489:4890002129","489:4890001949","489:4890002686","489:4890002194","489:4890002437","489:4890002692","489:4890002440","489:4890001793","489:4890002600","489:4890002434","489:4890001951","489:4890002210","489:4890001861","489:4890002044","489:4890002033","489:4890002200","489:4890003601","489:4890002362"],"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":[0.6830755984924187,0.6757582094233621,0.6550372569855228,0.5804679507288786,0.5545457768589214,0.5394781789965462,0.5087356184910883,0.4823524945217206,0.47243461716365925,0.47090035655849194,0.464390375972048,0.4515284314808406,0.4417016378038961,0.43888115139616657,0.42629944873758974,0.42147230038580474,0.42059253909011224,0.4034667991865811,0.4023245971361293,0.4008760075437553,0.398063991800864,0.39237923743256736,0.3921183910561367,0.3888658780056659,0.38819287284333365],"twin_dists":[0.11339310763294393,0.11498403026261134,0.11946520991222957,0.13545861572585077,0.14103268100165522,0.14428967184770175,0.15099290904864865,0.15682903526386321,0.1590478327589563,0.1593924311847886,0.16085884616611104,0.16377754100849823,0.16602822985200724,0.16667776455785793,0.16959571777243876,0.17072456779496495,0.170930886593983,0.17498495088311,0.17525801137395028,0.17560482178192216,0.17627968058862145,0.17765068347433316,0.1777138121730414,0.1785026232536013,0.17866622907544336],"n_dims_used":44,"mean_confidence":0.9177859913219105},"coverage":{"mean_confidence":0.9177859913219105,"n_dims_used":44,"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}}