{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001512},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001379","490:4900004219","490:4900003653","490:4900003514","490:4900003649","490:4900001251","490:4900003652","490:4900002697","490:4900001378","490:4900003132","490:4900002994","490:4900002698","490:4900002550","490:4900001376","490:4900003266","490:4900003662","490:4900003660","490:4900003131","490:4900002991","490:4900002990","490:4900003267","490:4900002395","490:4900001510","490:4900001650","490:4900001253"],"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":[0.6091445513664359,0.19371656074527432,0.14602463822708708,0.11770636924660939,0.08230185024530959,0.07592654921647071,0.0736246881370061,0.05644397018079038,0.056296788386063536,0.050676674859151644,0.04709076724349719,0.04577249102682391,0.04448587223493895,0.042054819458791755,0.03426834953268124,0.030344695100157932,0.029411378373963418,0.028917313904779578,0.02791618565432569,0.02671645353299748,0.026707592402400854,0.02657859048070437,0.025779554839942945,0.02338289649722492,0.02329863318330134],"twin_dists":[0.12931477949982823,0.23531015118848964,0.25476461717393967,0.26865894028036685,0.29025490432771983,0.29490311670331526,0.2966587383214528,0.3114013671875,0.31154276151125876,0.31718580734101953,0.3210647750923888,0.322553009437592,0.32404054777050234,0.32695273623790894,0.3373504797550011,0.3433766288024354,0.34490779402991145,0.34573528980688023,0.347449991569486,0.3495759788204846,0.34959198466262986,0.34982552053671384,0.35129421381788006,0.3559485331123992,0.35611956617870083],"n_dims_used":45,"mean_confidence":0.9128529866536458},"coverage":{"mean_confidence":0.9128529866536458,"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}}