{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000619},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000517","490:4900001065","490:4900001093","490:4900001060","490:4900000145","490:4900000521","490:4900001740","490:4900000283","490:4900000274","490:4900000503","496:4960009380","496:4960006105","496:4960008267","490:4900000623","490:4900000617","490:4900002498","490:4900000615","490:4900000833","490:4900000955","490:4900000020","490:4900000475","490:4900002031","490:4900000157","496:4960009181","487:4870002206"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,496,496,496,490,490,490,490,490,490,490,490,490,490,496,487],"twin_sims":[0.696318371116552,0.6311896439064907,0.5985977547476008,0.5931298016262309,0.541861380917091,0.5412524917099703,0.5226025323203671,0.5162496332278488,0.5023392833463769,0.46610355490706706,0.4542791979048753,0.41514171933765215,0.4124964796726318,0.4062833984683545,0.4052119251731482,0.4010051810131526,0.38655126359042236,0.3759469854632007,0.37509356901311336,0.37361176290220044,0.3694308213284186,0.3613348440267039,0.35864606114917563,0.35417246995934226,0.35287344459666],"twin_dists":[0.1104999574099109,0.12459139425123524,0.13157323164901297,0.13274443509135087,0.1437734701339717,0.1439053152511673,0.14795823274353154,0.14934604318218744,0.1523997864000821,0.1604722615352735,0.16315082013195573,0.17221330812758442,0.17283826442794173,0.1743130777078618,0.17456842151299684,0.17557387305238467,0.17906586261075164,0.18166717212246505,0.1818780577785998,0.18224478300369548,0.18328339133999572,0.1853113888615559,0.18598999516564285,0.18712487047097942,0.1874557979457081],"n_dims_used":45,"mean_confidence":0.9177754720052084},"coverage":{"mean_confidence":0.9177754720052084,"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}}