{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011763},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011435","490:4900011646","490:4900011833","490:4900011966","490:4900011636","490:4900011703","490:4900011834","490:4900011563","490:4900011070","490:4900011694","490:4900011501","490:4900011634","490:4900010749","490:4900009937","491:4910004700","490:4900011644","490:4900011012","490:4900011830","490:4900008666","490:4900010135","490:4900011433","490:4900011829","490:4900012168","490:4900011298","490:4900011697"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,491,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.07729282348584883,0.07560765473907531,0.055981488806086145,0.050576904032960966,0.049849228219162725,0.042406865194127834,0.0407742801132586,0.04051724461352775,0.03758578494792746,0.03677272399430235,0.0359836323729276,0.032859652226282496,0.03145261557336453,0.02847204171155431,0.02564837867117499,0.025322970712659598,0.024815513182820575,0.023225555859968338,0.021965168578207107,0.021945859689990785,0.021900249252473077,0.021406714321649003,0.02075968579824771,0.020646235518351673,0.017634013193795622],"twin_dists":[0.2938812667676632,0.2951437513412147,0.3118466939293101,0.317290589065041,0.3180600613976377,0.3265223875461295,0.32854414463419,0.32886864771158,0.33269825304215955,0.3338051699997962,0.33489949633234967,0.33944280584561215,0.34161054709534894,0.34649153425696927,0.3515390706202515,0.3521511871179766,0.3531194542981055,0.35626832931614444,0.35890021266351685,0.3589415424018994,0.359039294967943,0.3601085184371546,0.3615432511252763,0.3617988201196979,0.36907786890470545],"n_dims_used":45,"mean_confidence":0.8871899922688802},"coverage":{"mean_confidence":0.8871899922688802,"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}}