{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001882},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001193","490:4900000521","490:4900000176","490:4900001167","490:4900001740","490:4900002195","490:4900001450","490:4900002180","490:4900002341","490:4900002499","490:4900004184","490:4900000953","490:4900001618","490:4900001747","490:4900001323","490:4900002031","490:4900003898","490:4900002030","490:4900002203","490:4900004729","490:4900003081","490:4900003893","496:4960009184","490:4900002047","490:4900004034"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,496,490,490],"twin_sims":[0.7033125012611763,0.697171201018595,0.6676838597648879,0.6433946381876753,0.6390571461596305,0.6373177009477715,0.6181489761932862,0.5983096174619377,0.5785900331184356,0.5633544404745577,0.5589499151571325,0.5410268477124753,0.5221887108288424,0.5205370152565078,0.5021504619179804,0.49364030771868245,0.47469449658695406,0.4664134119326593,0.4602502974898139,0.45271615208464083,0.44717392177367077,0.44132860571497773,0.43913142395092014,0.4370244892676688,0.42841380948640745],"twin_dists":[0.10896368257567475,0.11031295725616913,0.11673404461259007,0.12197102132515457,0.1229029108455179,0.1232764093792805,0.12738638819332024,0.13163494046895802,0.1358615158640657,0.13913507737501082,0.14008339588484237,0.1439541817860976,0.14804851234154656,0.1484090125203739,0.15244139085436004,0.15432107711461207,0.15854093607129735,0.1604023937640242,0.16179513348278093,0.163506764410162,0.16477256340658475,0.16611404306639604,0.16662006297813872,0.16710623254447401,0.16910293701029178],"n_dims_used":45,"mean_confidence":0.9175318400065104},"coverage":{"mean_confidence":0.9175318400065104,"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}}