{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":487,"cluster_id":4870000869},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["497:4970003558","487:4870000954","487:4870001041","665:6650001653","665:6650002587","497:4970003559","665:6650002055","487:4870000308","487:4870001610","487:4870000961","487:4870001418","487:4870000866","487:4870001704","497:4970003491","665:6650003183","487:4870001040","487:4870000871","497:4970003449","487:4870002227","487:4870000553","497:4970003566","497:4970003477","497:4970003079","487:4870001602","665:6650003418"],"twin_admin_codes":[497,487,487,665,665,497,665,487,487,487,487,487,487,497,665,487,487,497,487,487,497,497,497,487,665],"twin_sims":[0.4838428471151042,0.4681725687593381,0.4417554904428399,0.30436949789757173,0.264834553750945,0.26126919443889424,0.2534794443622631,0.24972711159440586,0.22988103825588047,0.2259917737391694,0.2219916145047298,0.22181447154646713,0.2088641654205832,0.20340116346312132,0.19207859543364222,0.18786586296793442,0.1836670980729327,0.1824234083883221,0.17703335445615104,0.17369829992009392,0.14802972540469994,0.14800873766826506,0.13892094697368434,0.13864891311448901,0.1338562559052797],"twin_dists":[0.15649688408837753,0.16000603399968813,0.16601584378396372,0.20031958653773826,0.2117113471056612,0.21278847859911723,0.21517443782971848,0.21634037481846555,0.22270300023021827,0.2239916392260404,0.22533247278498741,0.2253922212831771,0.2298500436327015,0.23178685415095984,0.23591804392595764,0.23749829467361971,0.23909821929114983,0.2395770609421581,0.2416794354597929,0.24300314086436395,0.2538600879667865,0.25386950887266435,0.2580452937263364,0.25817338653918015,0.2604615776754175],"n_dims_used":43,"mean_confidence":0.8903602777525436},"coverage":{"mean_confidence":0.8903602777525436,"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}}