{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900013374},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012923","490:4900013338","490:4900013196","490:4900013375","490:4900012976","490:4900013116","490:4900013362","490:4900013051","494:4940005049","490:4900013018","490:4900013183","490:4900013047","494:4940007529","469:4690007238","487:4870006694","490:4900000639","496:4960010610","484:4840005944","490:4900013299","490:4900012862","490:4900013151","490:4900012306","466:4660011613","477:4770003269","476:4760002977"],"twin_admin_codes":[490,490,490,490,490,490,490,490,494,490,490,490,494,469,487,490,496,484,490,490,490,490,466,477,476],"twin_sims":[0.15385762011086207,0.12242560979838339,0.05091606044355678,0.022688841238456794,0.019963483451980246,0.017486583373157165,0.013816806515813764,0.013436276706212585,0.012242030609932739,0.011626225699303733,0.011380145655565726,0.007782255664011521,0.007678683547191794,0.007441797324305606,0.007054419114651306,0.006485728967130978,0.006253738807276931,0.00577016025001581,0.005556743657192847,0.005194323088028382,0.004510447262264208,0.0044306239527912485,0.004046859236897325,0.003656724742570985,0.0031460339995989504],"twin_dists":[0.25128130093884626,0.26617944577319125,0.3169350972830198,0.3573735313865691,0.3633632157261578,0.36946136426702375,0.38006297254791765,0.3813003921037064,0.3853960633140678,0.38764834179513125,0.38857808730737164,0.40473812552499505,0.40529610444071434,0.40659812536590867,0.4088097768931112,0.4122630732148126,0.4137506750337563,0.41701868406353887,0.41854027862597154,0.421249614879534,0.4268648201104226,0.42756980621648616,0.4311290834055982,0.43507710598350047,0.44087033104215634],"n_dims_used":45,"mean_confidence":0.9117630004882813},"coverage":{"mean_confidence":0.9117630004882813,"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}}