{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004818},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900007730","490:4900004971","490:4900003845","490:4900004817","490:4900004135","490:4900007501","490:4900004680","490:4900007616","490:4900005891","490:4900001832","490:4900004957","490:4900004830","490:4900006987","490:4900002600","490:4900006636","490:4900007621","490:4900003035","490:4900003700","490:4900003179","490:4900003988","490:4900006756","490:4900007613","490:4900003848","490:4900003987","490:4900004959"],"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":[0.7763174853084069,0.6208284316652122,0.560073064212096,0.5334868353734389,0.5286910253218272,0.522038342988369,0.5068553052253758,0.5024264663133292,0.4883259252875408,0.447626009970449,0.44591625878909724,0.4452583051854876,0.44076317464440073,0.4257591735298248,0.398912355759305,0.39687258947928894,0.38098937399607435,0.3785158095592266,0.378163816292074,0.377248831843315,0.3746125226682479,0.37128956970777016,0.37089125312306753,0.3654199646627254,0.3647649792257062],"twin_dists":[0.0924198590491663,0.12681238002075793,0.13984147981047695,0.14558934481282157,0.14663181514218898,0.14808132077896743,0.151405993993836,0.15238057816233214,0.15549965340454566,0.16466909055041545,0.16506062316008055,0.16521144644733307,0.1662441700078065,0.16972179801232437,0.17607585273614992,0.17656626254267221,0.1804258890158882,0.18103380257683477,0.18112046611631977,0.18134592617279907,0.1819970315688531,0.18282093574753827,0.18291993978051316,0.18428526165421874,0.18444939340955468],"n_dims_used":45,"mean_confidence":0.9225294325086806},"coverage":{"mean_confidence":0.9225294325086806,"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}}