{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003257},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001246","490:4900002990","490:4900003398","490:4900004357","490:4900003810","490:4900003255","490:4900003803","490:4900003648","490:4900003535","490:4900003792","490:4900002994","490:4900003522","490:4900003662","490:4900002698","490:4900003261","490:4900002697","490:4900003262","490:4900002986","490:4900002991","490:4900003391","490:4900003127","490:4900004217","490:4900003529","490:4900003949","490:4900004354"],"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":[0.4624636137767402,0.4521738540944992,0.4243676137907901,0.41724086971910834,0.4120794161422973,0.3492139519648697,0.2961035425692728,0.29147466940199485,0.2745005794378991,0.27423659124807725,0.2442934685958925,0.24124266425535498,0.23370826310639933,0.23253033906832132,0.22228629987495116,0.21645451901516125,0.20302795155628717,0.19232596894374268,0.18350122454224266,0.17762022610969463,0.17557264774715095,0.17464042242885638,0.15863642961196384,0.1554304126513306,0.12294905793839649],"twin_dists":[0.16129422050907363,0.163630364873943,0.1700468425955755,0.17171859126825606,0.17293695721921953,0.18839148345458068,0.20262468601028336,0.20393207576504674,0.20883574503629704,0.2089134434622046,0.21804878549753667,0.21901875403308738,0.2214488873989745,0.2218334236277987,0.22523314893470203,0.22721539344506653,0.2319204627887588,0.23582600618129781,0.23916195097343723,0.2414483434896982,0.2422569928911799,0.24262738272908532,0.24921965255095543,0.2505976715075994,0.26590894500966283],"n_dims_used":45,"mean_confidence":0.9163972642686632},"coverage":{"mean_confidence":0.9163972642686632,"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}}