{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890004781},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890004872","489:4890004730","489:4890004720","489:4890004773","489:4890004761","489:4890004723","489:4890004514","489:4890004825","489:4890004342","489:4890004457","489:4890004350","489:4890004255","489:4890004497","489:4890004407","489:4890004252","489:4890004197","489:4890004559","489:4890004513","489:4890004032","489:4890004498","489:4890004648","489:4890004512","489:4890004137","489:4890004191","489:4890004248"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489],"twin_sims":[0.900952290098824,0.848640761930357,0.8475559736833949,0.8346980606559955,0.822227258098358,0.8150042284620634,0.8126866223737167,0.8088287047501478,0.8052483132820936,0.7996827285125091,0.7961843099343106,0.7957668023825666,0.7876756613538108,0.7865547820327382,0.7865501351265138,0.7802817471863858,0.7793324786671328,0.778031444952679,0.7755246294678698,0.7737622527491405,0.7702785954910514,0.7695717019920019,0.7690422495532514,0.7681700398772981,0.7647094066845979],"twin_dists":[0.05931809452783157,0.074407838576148,0.0746972289542249,0.07807287324923698,0.08126001892307093,0.0830713561812338,0.0836475793932189,0.08460166484348547,0.08548160484202941,0.08683937324645961,0.08768684021310016,0.08778767914584693,0.08972980696010774,0.0899970984984628,0.08999820576640949,0.09148553034755706,0.09170969414723222,0.09201647990505388,0.09260616280314182,0.09301962562370103,0.0938342977060861,0.09399919372451225,0.09412260813067694,0.09432575139245138,0.09512973796596967],"n_dims_used":45,"mean_confidence":0.9207295735677083},"coverage":{"mean_confidence":0.9207295735677083,"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}}