{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003074},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002327","490:4900001596","490:4900001699","490:4900003755","490:4900003895","490:4900002178","490:4900002017","490:4900001333","490:4900003896","490:4900003754","490:4900003471","490:4900001733","490:4900001732","490:4900002767","490:4900003338","490:4900002778","487:4870004560","490:4900002021","490:4900001863","490:4900001165","490:4900003466","490:4900004149","490:4900004302","490:4900002303","490:4900003330"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,487,490,490,490,490,490,490,490,490],"twin_sims":[0.8618877872657261,0.7582601100717099,0.7488353598374988,0.7317886390447762,0.7090218252350616,0.7082962907990221,0.6996212249144166,0.6952650724258749,0.6879187777133053,0.6859722288452079,0.683199222610436,0.6816201404692562,0.6775777478063878,0.6718784994440038,0.6717668456233559,0.6575141573586107,0.6520454450862195,0.6509398346491178,0.6483587223909621,0.6436005365049752,0.6428925155958205,0.6398699447144831,0.6354946840647995,0.6323577535614122,0.6262011451022322],"twin_dists":[0.07080963671321207,0.0966197752992746,0.0987791118912372,0.10263594637071116,0.10770486922092086,0.10786508680557987,0.10977524514990816,0.1107307939538437,0.11233722795832561,0.11276189367752708,0.11336618560743676,0.11370995398266118,0.11458889765305799,0.11582558315950787,0.11584978323734257,0.1189311366724349,0.12010982149690502,0.12034790629671367,0.12090347322690263,0.12192676496348748,0.12207894104026065,0.12272834420639532,0.12366773253809028,0.12434083019940396,0.12566101861456416],"n_dims_used":45,"mean_confidence":0.9180271572536892},"coverage":{"mean_confidence":0.9180271572536892,"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}}