{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001928},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003798","490:4900002383","490:4900004487","490:4900002529","490:4900003122","490:4900004086","490:4900002527","490:4900001927","490:4900002084","490:4900002977","490:4900003789","490:4900002549","490:4900003123","490:4900003516","490:4900002377","490:4900002535","490:4900002984","490:4900004364","490:4900003137","490:4900003650","490:4900004085","490:4900001112","490:4900002389","490:4900002675","490:4900002234"],"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":[0.5909562267414882,0.5447798991349728,0.5418939632047662,0.4598852400420893,0.44922225156881207,0.43064103117996355,0.43025790694636884,0.407799147376565,0.3904181004211675,0.36876534823558577,0.32036956038904246,0.3087171399423801,0.2991710942721754,0.2721873918203388,0.2502748128258692,0.21710419059506877,0.21140675385981303,0.2089291254998882,0.19781493708313425,0.19703719040204073,0.1889785686708642,0.17355083918287859,0.16730486819440976,0.1652957413031013,0.15700579337405862],"twin_dists":[0.13321011991956364,0.14314188609813278,0.14376641573676566,0.16187783446831286,0.16430406157466101,0.1685849298551093,0.16867395890906733,0.17395236900711494,0.17812578887095523,0.18344924190574624,0.19595818602043855,0.19912176015161465,0.20176490852455034,0.20951814313227768,0.21616949771501753,0.2269928068573681,0.22896037877626713,0.22982722236600764,0.23380462065693944,0.23408865125555037,0.23707851573600391,0.24306208605545904,0.24559245444792285,0.2464208170322838,0.2499179705511281],"n_dims_used":45,"mean_confidence":0.9152320014105902},"coverage":{"mean_confidence":0.9152320014105902,"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}}