{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005946},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900006439","490:4900004617","490:4900006197","490:4900005027","490:4900005024","490:4900005945","490:4900005026","490:4900006187","490:4900005295","490:4900007426","490:4900005033","490:4900004887","490:4900005822","490:4900007046","490:4900007893","490:4900004345","490:4900004200","490:4900005550","490:4900005035","490:4900006188","490:4900007666","491:4910001340","490:4900005944","490:4900006802","490:4900005159"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,491,490,490,490],"twin_sims":[0.040165731422483114,0.03949047886170102,0.03170898214677359,0.031155052555647343,0.028552437320754846,0.017177313120368364,0.016386604958090124,0.013171198179438197,0.009606421483699544,0.007016806255559429,0.006160255956643182,0.004910276322370191,0.003859823473527146,0.0032958396906588878,0.002709502678567691,0.0024366669022735377,0.00238977904041363,0.0023003432562345195,0.0021993376093308735,0.0020522219827804377,0.0019004768668176722,0.001889403071567858,0.0018738897080020167,0.0016120771294484307,0.0015879736830458969],"twin_dists":[0.32931525200624057,0.33018251607954313,0.3412094845492474,0.342079579740848,0.34635424315181645,0.3702751366159487,0.3724156776778436,0.38218082160136546,0.3958647447804941,0.4090302952561393,0.41436421899594034,0.4234953949823162,0.43297644653417877,0.4390869649675481,0.446548837061649,0.45053997623882974,0.4512668195955473,0.4526902612583246,0.45436024834720035,0.45692318673948873,0.45975019806654843,0.4599645497044583,0.460266789110955,0.4657492433471185,0.46629450112662657],"n_dims_used":45,"mean_confidence":0.8936937120225694},"coverage":{"mean_confidence":0.8936937120225694,"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}}