{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003372},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004467","490:4900003641","491:4910001453","490:4900007037","490:4900004332","490:4900004062","490:4900005018","490:4900004063","490:4900005558","490:4900002531","490:4900001240","490:4900004469","490:4900004746","490:4900004606","490:4900003637","490:4900002969","490:4900004607","490:4900002672","490:4900005940","490:4900005563","490:4900003112","497:4970000938","490:4900004615","490:4900001632","491:4910000996"],"twin_admin_codes":[490,490,491,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,497,490,490,491],"twin_sims":[0.06384521465238645,0.023109427082410892,0.01900541992687111,0.01066118831749412,0.0098343910739888,0.0077305624900541004,0.006683753492169096,0.0052008456039410525,0.004801045268019302,0.0025732931316722702,0.0014954009221590865,0.0013255175437686144,0.0012992556364200922,0.0010926756409499682,0.0007693548611814269,0.0007654275815257069,0.0007475492503884598,0.0007273119924306252,0.0007185303346383443,0.0006800535363730095,0.0005488558343174911,0.00046396457405768564,0.0004535609475713082,0.00031285971044561994,0.00021045970564097008],"twin_dists":[0.3046543029893544,0.3565055691724107,0.36563905949744663,0.3914006543092614,0.3948641401852237,0.405015776203322,0.4110307181624692,0.42119936352896353,0.42439046373691136,0.4484928734913806,0.46846218810067153,0.4727842457126905,0.4734976506814409,0.47962652993175675,0.49180977571881573,0.4919852643587852,0.4927948882415703,0.4937333701749538,0.49414819402514254,0.4960232632040354,0.5032590213711786,0.508859523353247,0.5096107042883894,0.5217579042103749,0.5344210119682967],"n_dims_used":45,"mean_confidence":0.8990704006618924},"coverage":{"mean_confidence":0.8990704006618924,"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}}