{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900007861},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008863","490:4900009090","490:4900009699","490:4900008636","490:4900008739","490:4900008740","490:4900008407","490:4900010293","490:4900008864","490:4900008191","490:4900008526","490:4900008188","490:4900009700","490:4900008187","490:4900008633","490:4900008748","490:4900011353","490:4900008852","490:4900010194","490:4900009815","490:4900008066","490:4900008972","490:4900007957","490:4900008412","490:4900008958"],"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":[0.48702377877445585,0.4868636976782196,0.46994248619245566,0.42137515372006196,0.4026407170551396,0.39602615817082976,0.35506830075471085,0.31565875205804267,0.3067771608878889,0.2973656020672841,0.29451992715939596,0.2904214802035406,0.27946864512751624,0.26476335085477554,0.2595698433512838,0.24581635555965486,0.2456939340107514,0.2444681533986042,0.23741566515121243,0.22782744088571333,0.22465619735672007,0.2238323075687706,0.22380442792265845,0.21823915372445282,0.21336178739881978],"twin_dists":[0.1557890171536668,0.15582460670550083,0.1596077621759384,0.17074734139152978,0.17518240329297882,0.17677010446033659,0.18689702353947002,0.1972291553891259,0.1996550364067104,0.2022703236387401,0.20307059659869403,0.20423125750438972,0.20738195908098345,0.2117327692521177,0.2133051135787506,0.21756752611572003,0.21760614238722875,0.21799348396878476,0.2202468222936608,0.2233816093620816,0.2244375483853557,0.2247135003927201,0.22472285016483232,0.22660502495082482,0.2282812269447101],"n_dims_used":45,"mean_confidence":0.9093958536783854},"coverage":{"mean_confidence":0.9093958536783854,"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}}