{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890003263},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890002169","489:4890003017","489:4890002354","489:4890002343","489:4890003338","489:4890002108","489:4890003162","489:4890003018","489:4890002416","489:4890002920","489:4890002246","489:4890003015","489:4890001685","489:4890001847","489:4890002096","489:4890001766","489:4890001771","489:4890002602","489:4890002250","489:4890001930","489:4890003392","500:5000002050","469:4690001891","489:4890002572","489:4890002421"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,500,469,489,489],"twin_sims":[0.6549872573308845,0.548902411142281,0.5275923546785075,0.4809067197002684,0.4742781765163936,0.456208913332175,0.4552680064201025,0.43740293982183676,0.4272662788258133,0.4181785659368136,0.4116312948383029,0.4004060878133545,0.3999010135011864,0.3981155575661463,0.3803208448401496,0.3657417188113501,0.3591546309744833,0.33990184396618595,0.3298001796825756,0.30652836721410226,0.30268828941256903,0.2977502820056087,0.2947119433531566,0.28556237942489937,0.28530287537845295],"twin_dists":[0.11947598706975342,0.14225076300319192,0.1468709168982597,0.15715155974606898,0.1586342576634367,0.16271199396165656,0.16292587580368625,0.16701883806087064,0.16937026013713535,0.1714979446620924,0.17304304798966327,0.17571744820582205,0.17583856707809348,0.1762672857421544,0.18059000095265615,0.18420468804915124,0.18586144133898777,0.1907960448749588,0.19344484001001208,0.19972356713815134,0.20078543239348978,0.20216248873467244,0.2030164538642324,0.20562004966052613,0.20569461620913773],"n_dims_used":45,"mean_confidence":0.918024190266927},"coverage":{"mean_confidence":0.918024190266927,"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}}