{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005371},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900005241","490:4900005497","490:4900002437","490:4900004691","490:4900005245","490:4900002285","490:4900005109","490:4900001411","490:4900004966","490:4900005243","490:4900005379","490:4900004690","490:4900005504","490:4900005104","490:4900005240","490:4900012358","490:4900001669","490:4900005360","490:4900005238","490:4900004688","490:4900001671","490:4900001822","490:4900002732","490:4900005376","490:4900001674"],"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":[0.5155561024004246,0.4861220004101133,0.4832474937393872,0.4281921994184583,0.4096796028159564,0.3682206825811181,0.3342522660067729,0.32212727546006525,0.31492337787888824,0.308563869562896,0.2903325612086983,0.2868863169474139,0.2818006718112496,0.28000939629225774,0.27441365616403424,0.27389789654366986,0.27251855440474176,0.25697907955129046,0.24676759506558832,0.24562614126862312,0.2425206617573752,0.24047922279042633,0.23769625354752852,0.23624002884719864,0.22217564584193972],"twin_dists":[0.14949779408280284,0.1559895490498789,0.15662953059226659,0.16915453926277044,0.17350569299425916,0.18358509570887804,0.19227208664137352,0.19548664912139807,0.19742852274152733,0.19916382200678248,0.2042565464601367,0.2052402582040511,0.20670497123198836,0.20722467455781446,0.20886132369934185,0.2090131971502418,0.2094202309475406,0.21409686919470675,0.21726789084428885,0.21762753204754848,0.21861146900056688,0.21926272283642465,0.22015634677524754,0.22062666589794208,0.2252704346180329],"n_dims_used":45,"mean_confidence":0.9217203776041667},"coverage":{"mean_confidence":0.9217203776041667,"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}}