{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011273},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011801","490:4900012189","490:4900011734","490:4900011920","490:4900011414","490:4900010714","490:4900011670","490:4900011673","490:4900011475","490:4900011731","490:4900011412","490:4900011789","490:4900011867","490:4900010788","490:4900011042","490:4900011866","490:4900011201","490:4900011544","490:4900011197","490:4900011276","490:4900011661","490:4900011803","490:4900011182","490:4900010965","490:4900011809"],"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":[0.45079264834042115,0.416841149726094,0.41661147092464157,0.3987340754573994,0.39777472317260126,0.38089060125936675,0.3663558956713264,0.35526883693569383,0.3509965235057806,0.34757271112507987,0.34415998672149395,0.32800215424704005,0.3231833609431795,0.31665621272297195,0.31504943356119586,0.3091355185140848,0.29975830979623086,0.29215774070513195,0.28188420736025366,0.27907023105557316,0.2742199357610534,0.2652440126458011,0.2634593346516866,0.2604746764768834,0.25717070176188195],"twin_dists":[0.16394541740641352,0.17181271269699425,0.17186681229422832,0.17611866991290426,0.17634922561344343,0.18045012720636802,0.18405098488867233,0.18684605962828643,0.18793506612238803,0.18881279597090322,0.18969222839030253,0.19392092878986666,0.19520402757183622,0.19695915361231858,0.1973943290468603,0.19900700592103993,0.2016009135199798,0.20373837769891137,0.20668078394678124,0.20749796138187124,0.20891834713327578,0.21158822670937596,0.21212573401099888,0.21302976348613487,0.2140381360633211],"n_dims_used":45,"mean_confidence":0.9118559095594618},"coverage":{"mean_confidence":0.9118559095594618,"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}}