{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004025},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001291","490:4900002905","490:4900002781","490:4900000682","490:4900003065","490:4900003349","490:4900001557","490:4900004321","490:4900000710","490:4900002181","490:4900003332","490:4900001200","490:4900004442","490:4900000825","490:4900003864","490:4900001025","490:4900000674","490:4900000916","490:4900001840","490:4900002910","490:4900000275","490:4900004288","490:4900001558","490:4900004156","490:4900000425"],"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":[0.6793225317144861,0.5603311853213973,0.5521796793825977,0.5410601864254327,0.5290873589844958,0.5272146647440494,0.5210799022215797,0.4978602824669826,0.49768072881154674,0.4966671223426784,0.4959749777559308,0.4935679209352619,0.47457410322392074,0.4602689760186507,0.45779109565631515,0.4545963797268787,0.45415834017357776,0.4518488570170824,0.44615393941280146,0.4397569407775957,0.43678520883680283,0.4278394822531177,0.42296962572215413,0.4191402155344797,0.41676681584318426],"twin_dists":[0.11420971518319827,0.13978589235618055,0.14154314611988894,0.14394696155778453,0.1465455881012039,0.14695313789817838,0.14829049234357597,0.1533878505677756,0.1534275117524956,0.15365148119055794,0.15380449440957994,0.1543371051540439,0.15856792046999532,0.16179090263215115,0.16235270105602165,0.16307864486927262,0.16317832636935553,0.16370446442877787,0.16500616027790868,0.1664759033460751,0.16716150433770044,0.16923669262914712,0.17037383624293015,0.1712718807115428,0.1718302202411785],"n_dims_used":45,"mean_confidence":0.903179931640625},"coverage":{"mean_confidence":0.903179931640625,"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}}