{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000403},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000490","490:4900000409","490:4900000825","490:4900000493","490:4900000275","490:4900000674","490:4900000682","496:4960008368","490:4900000497","490:4900000434","490:4900000325","490:4900000710","490:4900000276","490:4900000227","490:4900001025","490:4900004321","490:4900000425","490:4900000120","490:4900000279","490:4900001741","490:4900003349","490:4900001091","490:4900000772","490:4900000891","487:4870002865"],"twin_admin_codes":[490,490,490,490,490,490,490,496,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,487],"twin_sims":[0.8378857962502699,0.7585350159916989,0.709037543420394,0.6992815252027306,0.697978943337338,0.6876215677541534,0.6556298942453292,0.6541819121359418,0.6520844907546931,0.6422364236065288,0.6355516527397437,0.63284539343637,0.626247616065864,0.5452387776458307,0.5211029196255302,0.4915437936073749,0.47127584919488147,0.46485894581568016,0.46073361632229287,0.4559626284210264,0.45571725649335165,0.4550406204402193,0.44929371625632125,0.4492411770697737,0.44267621898380227],"twin_dists":[0.07724496681461965,0.09655647421834339,0.10770139739979351,0.10984984421679928,0.11013576202058213,0.11240209418699132,0.1193374586866856,0.1196495544364024,0.12010141207060826,0.12221993622537032,0.12365550560615106,0.12423621720637101,0.12565105731417175,0.14304263727941469,0.1482854679440328,0.15478557141365668,0.15930805997696185,0.1607530627274077,0.16168567715499468,0.16276796259871792,0.16282373468293093,0.16297758809022928,0.16428773042821873,0.16429973661476496,0.1658041673220824],"n_dims_used":45,"mean_confidence":0.9166589525010851},"coverage":{"mean_confidence":0.9166589525010851,"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}}