{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002986},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004354","490:4900003648","490:4900003391","490:4900004355","490:4900003794","490:4900001245","490:4900003252","490:4900002995","490:4900003255","490:4900002990","490:4900002996","490:4900003654","490:4900003119","490:4900003127","490:4900001246","490:4900003810","490:4900004365","490:4900003254","490:4900003135","490:4900002696","490:4900003515","490:4900003535","490:4900003257","490:4900004357","490:4900003657"],"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":[0.48677510302414895,0.4826024282612008,0.42804448367230374,0.428001424282608,0.40182903910242046,0.3731168359035196,0.35951219431774417,0.3263469209430387,0.316715558932086,0.3082891482707237,0.28620406583460345,0.2773824633485118,0.25510066448295093,0.25038646579793594,0.24233760055340822,0.24089382428011627,0.23631666087117764,0.22070889928479548,0.21762323594479388,0.20456142186163123,0.19603158129152307,0.19356076211012466,0.19232596894374268,0.17864121471935576,0.1779532175599099],"twin_dists":[0.15584430478312603,0.1567733107547454,0.16918894119515523,0.16919897033433623,0.1753765905580697,0.18236742942972792,0.1857711139701933,0.19436048228088515,0.1969431044084672,0.19923924359396852,0.2054358405239716,0.20799049341159304,0.21467408503413724,0.21613469248329267,0.21866972335841717,0.21913016867213211,0.22060186882172048,0.22576584185919155,0.22681529641444484,0.2313725562360732,0.2344570493131352,0.23536781793071127,0.23582600618129781,0.2410475992543131,0.24131746295112397],"n_dims_used":45,"mean_confidence":0.9124303181966146},"coverage":{"mean_confidence":0.9124303181966146,"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}}