{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900006157},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900005900","490:4900006276","490:4900006147","490:4900006150","490:4900005773","490:4900012841","490:4900005107","490:4900007239","490:4900005882","490:4900006149","490:4900006151","490:4900001547","490:4900001155","490:4900005763","490:4900006760","490:4900006264","490:4900003308","490:4900006985","490:4900012566","490:4900006517","490:4900006399","466:4660004069","490:4900005487","490:4900006628","490:4900006867"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,466,490,490,490],"twin_sims":[0.48587228278763844,0.47681496656872835,0.4365836627044557,0.41144112832083884,0.36485578292276327,0.34766153852477466,0.3257807494587282,0.27008665790226405,0.2656774569806656,0.2641803545977292,0.2637656052842966,0.25923154225807066,0.25717450726371116,0.2537359756390212,0.2480943943493618,0.24121634522997668,0.23949398023812812,0.23274294775671464,0.22433510709827917,0.2242569617037873,0.20913147079275096,0.20829807470560768,0.20358178795072762,0.1869627146398643,0.18455104531604016],"twin_dists":[0.15604509985431558,0.1580660308414867,0.1672080691331775,0.17308808432358025,0.18442663019428607,0.18878996689601724,0.19451111417374403,0.21014096725654968,0.2114580231149086,0.21190830521739448,0.21203333051781018,0.21340821717372677,0.21403696993874857,0.21509513020103796,0.2168511932646966,0.21902715631861933,0.21957831573966655,0.22176392253006424,0.22454501349434272,0.22457118331626214,0.22975616693729464,0.23004912305336025,0.2317222515723928,0.23784029918458327,0.2387592726923967],"n_dims_used":45,"mean_confidence":0.9132498847113715},"coverage":{"mean_confidence":0.9132498847113715,"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}}