{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004480},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003510","490:4900006551","490:4900006070","490:4900004203","490:4900004619","490:4900006793","490:4900002387","490:4900004753","490:4900004894","490:4900002240","490:4900004896","490:4900004893","490:4900006071","490:4900002392","490:4900004060","490:4900003509","490:4900007044","490:4900004612","490:4900006066","490:4900004204","490:4900002386","490:4900010573","490:4900002393","490:4900002538","490:4900004342"],"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":[0.16392525644617018,0.15877535586300323,0.14581847644312262,0.11617593995738022,0.06619621705287457,0.03397786272542758,0.031224467909942898,0.029607949998683412,0.022743084952054352,0.0183283288694606,0.01728467627109406,0.0165271624575341,0.01326508921293322,0.009472724797544846,0.006340983571504609,0.005585483814765551,0.005491804525710622,0.004381933345406668,0.0037115783091794955,0.0036913551135992683,0.0035672253548666034,0.003247711288318191,0.0030300915615988477,0.002969088313926957,0.0028126725053860884],"twin_dists":[0.24699004758010096,0.24916039982594151,0.2548581400070685,0.26947935959364616,0.3026455656656037,0.3377758558867668,0.3419698223162389,0.3445818762227578,0.35726080845552194,0.3673087183751336,0.3699911904575014,0.3720286388537894,0.3818671952743996,0.396461467363028,0.4131854863981115,0.41833232503683354,0.41901375804996877,0.42800551577939977,0.4344994819438291,0.43471152765053583,0.436036728261269,0.43965169870665977,0.44230462534903286,0.4430795366184232,0.4451350310206884],"n_dims_used":45,"mean_confidence":0.9014102511935764},"coverage":{"mean_confidence":0.9014102511935764,"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}}