{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000415},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000601","490:4900000342","490:4900000414","490:4900000491","496:4960008378","490:4900000505","490:4900000502","496:4960008268","496:4960008964","490:4900000710","490:4900000325","496:4960008859","490:4900000153","490:4900004175","490:4900000599","490:4900000825","490:4900000490","494:4940008942","490:4900000202","490:4900000231","490:4900002181","490:4900000831","490:4900000771","490:4900000506","490:4900000675"],"twin_admin_codes":[490,490,490,490,496,490,490,496,496,490,490,496,490,490,490,490,490,494,490,490,490,490,490,490,490],"twin_sims":[0.4728844356563531,0.44920573271376824,0.44599734312400185,0.31610723739767693,0.2958885308264064,0.2957919277438937,0.2849525271872157,0.2656302262777545,0.25762759358739845,0.2498966302018015,0.21785545962914676,0.21453685569712586,0.21283680549533796,0.21093022851080334,0.20079188555279423,0.19891918749808193,0.1959025395233693,0.19023814497255592,0.1861071436439909,0.17643223058952506,0.1739558845661562,0.17302439055210586,0.15767547469996507,0.1439296830063498,0.1403932259649596],"twin_dists":[0.15894687336820684,0.16430783661042886,0.16504204199996345,0.19710769563398747,0.20268514583054476,0.2027123183818925,0.20579535087697062,0.21147220445497264,0.21389820797099557,0.21628746118929343,0.22673596943112034,0.22787504807920048,0.22846318319731654,0.22912656187491837,0.23272452164222876,0.2334026751273213,0.2345044176101415,0.23660541062093673,0.23816535820466986,0.2419167050673581,0.24290026101145065,0.24327281833166722,0.2496305432843123,0.25571956163277804,0.25735527010472947],"n_dims_used":45,"mean_confidence":0.9103140936957466},"coverage":{"mean_confidence":0.9103140936957466,"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}}