{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000601},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000414","490:4900000825","496:4960008859","490:4900000325","490:4900000342","490:4900000599","490:4900000490","490:4900000502","490:4900000710","496:4960008378","490:4900000506","490:4900000491","490:4900000415","496:4960008964","490:4900000397","490:4900000505","490:4900000337","490:4900000110","490:4900000497","490:4900000231","490:4900000182","490:4900000409","490:4900000234","490:4900000916","490:4900000499"],"twin_admin_codes":[490,490,496,490,490,490,490,490,490,496,490,490,490,496,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.6444226184282363,0.6420740518353446,0.6403935380577119,0.5905885437075792,0.5703819494443083,0.5494999419381836,0.5401279855406266,0.535727219667849,0.533110930519252,0.5051320264254207,0.48627244030890515,0.47683118431174887,0.4728844356563531,0.43963895133718506,0.4295061505955536,0.40045543632526576,0.3987883923001278,0.39445958883260807,0.36846563163979235,0.3668153214753786,0.359942050287338,0.3497265253216356,0.345099424465944,0.3395586475328804,0.3362800862309157],"twin_dists":[0.12175004526182505,0.12225482728462911,0.12261587681211084,0.13328890345826488,0.1376239510530001,0.14212169486860435,0.14414888141214946,0.1451030131280711,0.14567098493180355,0.1517849356667399,0.15595608724691795,0.1580624013374778,0.15894687336820684,0.16650308961192584,0.16884874329181185,0.17570561795228026,0.1761056238349797,0.17714790377804604,0.1835239866291613,0.18393609411666068,0.18566258486676007,0.1882601172114619,0.1894496838758544,0.1908853312739814,0.19174074606405517],"n_dims_used":45,"mean_confidence":0.9076614379882812},"coverage":{"mean_confidence":0.9076614379882812,"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}}