{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004099},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004516","490:4900004242","490:4900004518","490:4900002861","490:4900004380","494:4940008946","490:4900002714","490:4900004239","490:4900004104","490:4900004522","490:4900003428","490:4900002860","490:4900004530","490:4900001957","490:4900002721","490:4900004377","490:4900003822","490:4900004517","490:4900004532","490:4900004382","490:4900002422","490:4900003296","490:4900002257","490:4900004381","490:4900003426"],"twin_admin_codes":[490,490,490,490,490,494,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.5251768196044824,0.4054362819741102,0.326908155904696,0.30918164167743933,0.2840625863492357,0.28190238678052143,0.27957032104688173,0.27500760390605,0.2559274241336613,0.23258144400499695,0.228763021733223,0.20594873912087192,0.20318282164136423,0.19992561188740496,0.18687513387569077,0.18033883993097966,0.15533127070835892,0.14292808048934452,0.1415994935678513,0.136895429880781,0.12973560691468514,0.12901948665921534,0.12742264961424812,0.12354555825859688,0.12253281080201192],"twin_dists":[0.14739698956061906,0.1745149299398716,0.19421130645617468,0.19899436056949854,0.206051568825791,0.20667552076460763,0.20735237120906902,0.2086866432685323,0.21441970071383076,0.2218167137767947,0.22307194837748515,0.2308792886681629,0.2318649993652366,0.2330376777790662,0.23787352589758376,0.24038485334457943,0.2506406146105918,0.2561797691262023,0.2567939288809126,0.2590035898896933,0.2624786646437707,0.2628341222978804,0.26363214264079615,0.26560176018421056,0.2661239761863212],"n_dims_used":45,"mean_confidence":0.9270598517523871},"coverage":{"mean_confidence":0.9270598517523871,"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}}