{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":477,"cluster_id":4770000104},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890002532","489:4890002362","489:4890002697","489:4890002956","477:4770000161","489:4890002691","489:4890001793","489:4890001794","489:4890002690","489:4890002451","489:4890002616","489:4890002130","489:4890002200","489:4890003107","489:4890001789","489:4890002277","477:4770000509","489:4890002194","489:4890002201","489:4890002686","477:4770000285","489:4890001958","489:4890002779","489:4890002771","489:4890001696"],"twin_admin_codes":[489,489,489,489,477,489,489,489,489,489,489,489,489,489,489,489,477,489,489,489,477,489,489,489,489],"twin_sims":[0.7869470885644517,0.7154682087114517,0.6802226350331438,0.6599263786217353,0.6516579594532859,0.6474944192213244,0.6323224203050215,0.6216108894851861,0.6109146288735133,0.5986121322018343,0.5958446258796418,0.5886216232955763,0.5878723814161605,0.57957299863184,0.57536393375496,0.5746883630848367,0.5632567161517918,0.559735011198846,0.5565253241356423,0.5384947362777098,0.5376586492411966,0.5335388869490494,0.530351404640399,0.5266182504877843,0.5245352689242672],"twin_dists":[0.08990359386475776,0.1062779861295058,0.11401399044670345,0.11841063742740746,0.12019327126630262,0.12108943147034429,0.12434840992778327,0.12664473564023443,0.12893574550607295,0.13157015252679807,0.1321628896200415,0.13371039952964783,0.13387097684218377,0.1356506107360338,0.13655393066187785,0.1366989734515014,0.1391561072580328,0.13991428626230729,0.14060586560724936,0.14450281095369372,0.14468407283909518,0.14557804102627556,0.14627067236417646,0.14708300025387117,0.1475368014084856],"n_dims_used":45,"mean_confidence":0.9198847452799479},"coverage":{"mean_confidence":0.9198847452799479,"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}}