{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005400},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900005254","490:4900005114","490:4900005133","490:4900005907","490:4900005119","490:4900005396","490:4900007271","490:4900004869","490:4900007021","490:4900006049","490:4900004977","490:4900007386","490:4900004979","490:4900006174","490:4900007514","490:4900006409","490:4900006770","490:4900005003","490:4900004866","490:4900007641","490:4900004852","490:4900004728","490:4900004585","490:4900008762","490:4900001317"],"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":[0.604102773691246,0.6005677684250842,0.5760410937308887,0.569557987499203,0.5685581025931777,0.5660769869450236,0.5366880058853919,0.5134222406010388,0.48804254943304204,0.4671226403057265,0.459250870664115,0.44748428955554803,0.4447525908173041,0.4412936638183757,0.4411785749338804,0.43633616724629987,0.43391764508825836,0.4338959631812553,0.42058759266940116,0.40945169967667727,0.40029162798906587,0.39337361836366613,0.38859466507030427,0.3789665461240809,0.3760716353005258],"twin_dists":[0.13039436561242776,0.1311513433467974,0.13640856296286857,0.13780101479573992,0.138015921673261,0.13854938120504182,0.14489457497940472,0.14996501842529444,0.15556260539534458,0.16024253428277832,0.16202160171064003,0.16470152292141005,0.16532742966513897,0.16612208262903663,0.16614856446172938,0.16726526163231883,0.1678248276791028,0.16782984978656393,0.17093204712757015,0.1735597800160857,0.17574489005529714,0.177410207387447,0.1785685383613889,0.18092288473789564,0.1816363898162958],"n_dims_used":45,"mean_confidence":0.913907708062066},"coverage":{"mean_confidence":0.913907708062066,"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}}