{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900007218},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900007219","490:4900005990","490:4900005596","490:4900005859","490:4900007217","490:4900007220","490:4900007094","490:4900005728","490:4900006362","490:4900006480","490:4900005858","490:4900006844","490:4900008373","490:4900006722","490:4900005984","490:4900007342","490:4900005988","490:4900007467","490:4900005732","490:4900007343","490:4900005989","490:4900006110","490:4900001859","490:4900007089","490:4900007695"],"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":[0.12884100394712278,0.10756488559298148,0.05595801460784994,0.04320754528699163,0.023553347637507382,0.0017704235477456606,0.0016533057928529702,0.0011060011640470799,0.0004461536466923507,0.0004320025227274499,0.00022490235965845173,0.0001797986714451658,0.0001302780386127328,0.00012342799880660688,0.0000968256153185913,0.00007701509716612398,0.000032733093520195616,0.000028308499642005874,0.000022689184641742992,0.000022626292717018826,0.000014516333430348884,0.000010704299837115863,0.000010245149658197552,0.000009146885385565763,0.0000045348859743609586],"twin_dists":[0.2629229470458572,0.2742573436520612,0.3118693783736941,0.32555470353983534,0.3556041878709506,0.4623435606445255,0.4648337803901519,0.4792000527430029,0.5101554228000448,0.5112200046404752,0.5323220543545334,0.5393677552091379,0.5493503407487084,0.5510062711725754,0.558387771723405,0.5652602342069688,0.5902398655129231,0.5943754816705175,0.600622036477041,0.6006999830187862,0.6130360884754791,0.6213612730052078,0.6225502402549246,0.6256149128073052,0.6442536652193921],"n_dims_used":45,"mean_confidence":0.9178160773383246},"coverage":{"mean_confidence":0.9178160773383246,"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}}