{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008304},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009287","490:4900008519","490:4900008750","490:4900008641","490:4900009197","490:4900008517","490:4900008977","490:4900008529","490:4900009596","490:4900008635","490:4900009194","490:4900008307","490:4900009299","490:4900008749","490:4900009593","490:4900009198","490:4900008073","490:4900008193","490:4900009489","490:4900009696","490:4900009089","490:4900009303","490:4900008195","490:4900008634","490:4900009086"],"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":[0.8036629184541279,0.7940658356373015,0.7537316320347611,0.6891547529917956,0.6607921167070328,0.6600894198914292,0.6111662823901763,0.5809035159713685,0.5590533435885278,0.5511126768481031,0.5434173411077214,0.5190406356734588,0.5102881599648061,0.5097151435717537,0.501172135922701,0.4841388874943321,0.4755130313953274,0.47048681852160645,0.46994674161766786,0.4523277738698648,0.4343588735034822,0.4317997474780595,0.42743255875140024,0.4076654219537854,0.3996313053238892],"twin_dists":[0.08586959974100478,0.08819785990175746,0.09765989773613364,0.11206737406093785,0.11822373877331746,0.11837544332152378,0.1288818567488795,0.1353651821555728,0.14006111551295883,0.14177345497567218,0.1434366753186722,0.1487358445456516,0.15065213169790487,0.15077787553638158,0.15265702169334563,0.15643094433777446,0.1583575331134321,0.15948537716233466,0.15960680522147683,0.16359527793943154,0.16772264926436936,0.16831586700433104,0.16933150610135808,0.17398416823197999,0.17590327266186845],"n_dims_used":45,"mean_confidence":0.9188674926757813},"coverage":{"mean_confidence":0.9188674926757813,"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}}