{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900007879},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900007991","490:4900008777","491:4910005313","490:4900008900","490:4900008101","490:4900010734","490:4900010902","490:4900008211","490:4900008893","490:4900007893","491:4910004851","490:4900008993","490:4900008551","490:4900010823","490:4900008898","490:4900010219","490:4900007897","491:4910005363","490:4900010228","491:4910005413","490:4900010400","490:4900007764","490:4900010309","490:4900010905","491:4910005568"],"twin_admin_codes":[490,490,491,490,490,490,490,490,490,490,491,490,490,490,490,490,490,491,490,491,490,490,490,490,491],"twin_sims":[0.03678331600381588,0.023703913124051953,0.017543935907870043,0.008834265337744573,0.004799446530187823,0.00433658126191202,0.0024477046614799804,0.0017433394629119724,0.0012744920985022872,0.0010049245183345033,0.0009540834558789273,0.0008072882040921445,0.0007528239586100885,0.00068993081221631,0.0006345605135122116,0.0006032549507778091,0.0005546009278634026,0.0005385826664459266,0.0005219875320604574,0.0004822142399206986,0.00042783837474841236,0.00041479478509880933,0.0004073999948065694,0.0003847671772629476,0.0003571019164347334],"twin_dists":[0.33379061694645407,0.35530180731312905,0.3693118429973786,0.39941915494848246,0.42440370072181377,0.4284153225401593,0.4503707378459993,0.462905642108934,0.4741826749148634,0.4825616857894592,0.48437296959236115,0.49015635747303393,0.49255416473027425,0.4955326722148668,0.49837218487463303,0.5000815623039657,0.5029098951278377,0.5038919077170266,0.5049384730221429,0.5075790749098121,0.5115394860685402,0.5125593895345083,0.5131510135315394,0.5150263518933837,0.5174643337472057],"n_dims_used":45,"mean_confidence":0.8862625122070312},"coverage":{"mean_confidence":0.8862625122070312,"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}}