{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001689},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001287","480:4800001522","480:4800001736","480:4800002021","480:4800001737","480:4800001577","480:4800002075","480:4800001914","480:4800001960","480:4800001336","480:4800002120","480:4800001897","480:4800001859","480:4800002389","480:4800001799","480:4800001802","480:4800002074","480:4800001970","480:4800001524","480:4800002016","480:4800002435","480:4800002020","480:4800001675","480:4800001912","480:4800001953"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.5497241419122683,0.46717066729434303,0.46025352488212024,0.4459619330891329,0.43972741616986794,0.43619498662063394,0.4321558011280089,0.42543171496062115,0.39859361695603496,0.3880792043982403,0.3776209063827369,0.36739985691405624,0.3622428707149115,0.3620186886047628,0.3342781416778103,0.33398476774652736,0.32994599894737203,0.32115095116087056,0.3166214914304294,0.3068204588002575,0.266317393885548,0.26356380103546057,0.25779680993000276,0.2534226840858842,0.2523151913570531],"twin_dists":[0.14207327310216428,0.16023171205507203,0.16179440244574886,0.16505015635025097,0.16648270592284714,0.16729789213300839,0.1682332473639855,0.16979824698945148,0.17615240966443738,0.1786938747744598,0.18125421173858533,0.18379002083377521,0.18508279888713414,0.18513920822264665,0.1922652955499994,0.1923423085441466,0.19340629201097476,0.195748386364835,0.196968544201726,0.1996431131834089,0.2112660322087366,0.212094208401676,0.21384642339092003,0.2151919923790397,0.21553501414523804],"n_dims_used":43,"mean_confidence":0.9216429244640262},"coverage":{"mean_confidence":0.9216429244640262,"n_dims_used":43,"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}}