{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001806},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001571","490:4900003786","490:4900002220","491:4910000990","491:4910001328","491:4910001272","491:4910001120","491:4910001691","491:4910001513","491:4910001132","491:4910001069","490:4900004347","491:4910001747","491:4910001185","490:4900006563","490:4900006685","490:4900006932","491:4910001394","491:4910002615","497:4970000629","490:4900007655","490:4900003929","491:4910001055","490:4900007654","491:4910001133"],"twin_admin_codes":[491,490,490,491,491,491,491,491,491,491,491,490,491,491,490,490,490,491,491,497,490,490,491,490,491],"twin_sims":[0.4186701526682807,0.15729999919290383,0.13539621242433494,0.12137455936764469,0.10153089834212532,0.09142921939162661,0.08127801801802437,0.07721892558654636,0.06405651004769813,0.06193469081212112,0.04832308275730553,0.04585259561021512,0.0443865244058594,0.04260303633527488,0.0420814290728972,0.03969611363840619,0.03333870361671067,0.03254342258922676,0.031431116404218064,0.028699391421647437,0.02829093324800754,0.027858087006304322,0.024213012227787968,0.02390292728759076,0.02258428276634016],"twin_dists":[0.1713823551589742,0.2497915874443427,0.25971974419422,0.2667252669295265,0.2777852319008657,0.28407740636728057,0.2909814443292679,0.29393616215350515,0.3044713182619988,0.3063317583876053,0.3197047702118121,0.32246155995817777,0.32415690464154834,0.3262838868011886,0.3269201022736688,0.3299170896926992,0.338722835873349,0.339922994385167,0.34164430755437986,0.34610414683137314,0.3468020371003253,0.34755111561956853,0.35429155961899833,0.35490467044109003,0.3575914741409688],"n_dims_used":45,"mean_confidence":0.8960903591579861},"coverage":{"mean_confidence":0.8960903591579861,"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}}