{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011565},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011374","490:4900011501","490:4900011698","490:4900011630","490:4900011084","490:4900011899","490:4900011442","490:4900011375","490:4900011895","490:4900011437","490:4900010998","490:4900011773","490:4900011165","490:4900011234","490:4900010666","490:4900011833","490:4900011776","490:4900011438","490:4900010496","490:4900011436","490:4900008346","490:4900011238","490:4900011902","490:4900011159","490:4900012031"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.4778881048432847,0.4286771899426913,0.349535602110512,0.32836333035369464,0.317981993623567,0.309564001488152,0.2890488923422625,0.2507527626085314,0.22520709985731066,0.21703335732885423,0.2097695171278235,0.18155692960738143,0.17448119818324181,0.16250234558559878,0.1612250463729186,0.15939765695566155,0.1557767210757259,0.15522084434286854,0.14775346192827213,0.14692279636152475,0.14358843109035674,0.13566629881716624,0.13504169543114047,0.13168202747950133,0.1304425354994143],"twin_dists":[0.15782595048370765,0.1690416226920181,0.18830903667375942,0.19382517994215834,0.1966010219536984,0.1988895726010874,0.20462214321922337,0.21602057749639605,0.224253405574362,0.22701705353963691,0.22953241685553835,0.23991203392264576,0.24269078628541163,0.24758470837695834,0.24812173840039004,0.24889544769477126,0.250447825832758,0.25068846914426934,0.253984175241674,0.2543583146745768,0.2558760892344494,0.2595902905264082,0.2598899601111539,0.2615199543932525,0.26212921977068815],"n_dims_used":45,"mean_confidence":0.8901298522949219},"coverage":{"mean_confidence":0.8901298522949219,"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}}