{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011828},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011631","490:4900011964","490:4900011831","490:4900011081","490:4900012165","490:4900012033","490:4900011294","490:4900012098","490:4900012177","490:4900011827","490:4900010999","490:4900011892","490:4900012093","490:4900010830","490:4900010662","490:4900011080","490:4900011755","490:4900012178","490:4900011441","490:4900008008","490:4900011710","490:4900012104","490:4900011624","490:4900011637","490:4900011762"],"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":[0.43956370712013365,0.3734188926027535,0.36338793538170255,0.32281116324765147,0.2975794525655918,0.2840772045378616,0.2125893889720102,0.20630029947776768,0.19806121190464807,0.1870623171671031,0.18173453130424536,0.1806710024417689,0.17465222545323805,0.16220437416483105,0.16018160434547457,0.15328062624393815,0.15210409446388223,0.14936839439569513,0.13975513179472757,0.13488347714141943,0.13402744738696823,0.12538872432767362,0.12492768150505637,0.11962545444366503,0.11812315099437412],"twin_dists":[0.16652042832721642,0.18229256811373212,0.1847949502750692,0.19530357340440713,0.2022103661662222,0.20604735628076037,0.22854904191303083,0.23075465071642035,0.23371484290635583,0.23780252488378378,0.23984328279232284,0.2402556960406171,0.24262268437288256,0.24770971346893916,0.24856274195019767,0.2515333804460829,0.25204955333128315,0.2532612163285424,0.25765366429777475,0.25996603441293176,0.260378795095248,0.2646596420562579,0.2648943079175592,0.267641644700109,0.2684369331904546],"n_dims_used":45,"mean_confidence":0.8908969455295139},"coverage":{"mean_confidence":0.8908969455295139,"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}}