{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000712},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001163","490:4900000588","496:4960008679","496:4960008145","490:4900003228","490:4900002486","490:4900000826","490:4900002932","490:4900001162","490:4900000608","490:4900000177","490:4900000624","494:4940008313","490:4900000046","494:4940006492","490:4900001706","496:4960008385","494:4940007620","490:4900002186","490:4900000466","490:4900000035","490:4900003080","496:4960008383","494:4940008536","496:4960008153"],"twin_admin_codes":[490,490,496,496,490,490,490,490,490,490,490,490,494,490,494,490,496,494,490,490,490,490,496,494,496],"twin_sims":[0.46454847989570347,0.41583687725362617,0.41350215974453,0.41071710124608674,0.40964773216900774,0.3920753520538992,0.386531927134825,0.37319311017786605,0.36001380253487064,0.34419145645038945,0.3440665446678422,0.34369754659661517,0.342035090967659,0.3379660317620544,0.336460945228179,0.33459482863716455,0.33123603726096357,0.3289126323858989,0.3265923966800177,0.3227631850684287,0.3221261727257652,0.3214499835883564,0.31807955632543233,0.31570685952020905,0.3152756532330661],"twin_dists":[0.1608231487769953,0.1720493581009076,0.172600461395941,0.17325963595835628,0.1735132558867863,0.17772423013092986,0.1790705746599306,0.1823485229017892,0.1856444754643083,0.1896840978345617,0.18971637251571782,0.1898117505486759,0.19024213700644144,0.19130030444161358,0.19169344084432643,0.1921822039331928,0.19306567070858993,0.19367966952071283,0.1942952175706238,0.19531641002555922,0.1954869444968432,0.19566817323673588,0.1965747007546736,0.19721612214749606,0.19733298445247352],"n_dims_used":45,"mean_confidence":0.9163219875759548},"coverage":{"mean_confidence":0.9163219875759548,"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}}