{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004443},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001175","490:4900001570","490:4900002312","490:4900004287","490:4900001179","490:4900002475","494:4940007718","494:4940008314","490:4900003224","490:4900002477","490:4900004311","494:4940007818","490:4900001162","490:4900001020","494:4940007791","490:4900005255","494:4940007390","490:4900001046","494:4940004951","490:4900000809","490:4900001561","490:4900001432","490:4900002306","487:4870002373","490:4900004140"],"twin_admin_codes":[490,490,490,490,490,490,494,494,490,490,490,494,490,490,494,490,494,490,494,490,490,490,490,487,490],"twin_sims":[0.6235040783990891,0.5365613401375038,0.5089091290547629,0.48227430693355355,0.44591576636930397,0.4398895102988899,0.4182910730292832,0.40686145128010637,0.4011422145669377,0.3976318582281821,0.39449125801090545,0.388131748342926,0.3830727011518459,0.36789020681954887,0.3648344698211904,0.36236201641847593,0.3607538628530455,0.3600360267686768,0.35624658390767894,0.3547852798355262,0.3514618369694734,0.34400807554269375,0.34197319066817927,0.34107469080272534,0.3359362433756348],"twin_dists":[0.12623906693708498,0.14492205031145294,0.15095481074325465,0.15684646960627516,0.16506073600616564,0.1664453610498715,0.17147148514011026,0.17417544587970593,0.1755410460559907,0.17638358127615528,0.1771402594751088,0.1786810949037542,0.17991535625500307,0.1836675738987552,0.184431972833855,0.18505282632099007,0.18545780051544872,0.18563886670937563,0.18659778930541768,0.18696897531183723,0.18781612489537663,0.18973148189557776,0.190258183644165,0.1904912800094728,0.19183071910026672],"n_dims_used":45,"mean_confidence":0.9148017883300781},"coverage":{"mean_confidence":0.9148017883300781,"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}}