{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":470,"cluster_id":4700003774},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["470:4700004462","470:4700004460","470:4700004464","470:4700003606","470:4700004456","470:4700003939","470:4700004461","470:4700003936","470:4700003947","470:4700004463","470:4700004122","470:4700003950","470:4700004123","470:4700004286","470:4700004116","470:4700003778","470:4700004281","470:4700004288","470:4700001775","470:4700003934","470:4700003941","470:4700003765","470:4700003771","470:4700003097","470:4700003601"],"twin_admin_codes":[470,470,470,470,470,470,470,470,470,470,470,470,470,470,470,470,470,470,470,470,470,470,470,470,470],"twin_sims":[0.7867831874188774,0.763429939740288,0.7496406849348421,0.7471302929321901,0.7195862940136464,0.6928209503741973,0.6808937534001244,0.6450271097735029,0.6250236498162154,0.6211713816689293,0.6007994356622041,0.5888194214301951,0.575678081693419,0.5446423018832602,0.5328230122868577,0.48417529708892854,0.48128264433974993,0.48100556005113154,0.4774289135564284,0.4611017149357445,0.45195300434129293,0.4466491629271532,0.43457186960395133,0.43206122557166676,0.4302689300741491],"twin_dists":[0.08994266517412514,0.0954261879546696,0.0985953996538453,0.09916760147512962,0.10536316602297048,0.11126593475662953,0.11386800768967428,0.12162008034850724,0.1259134045568494,0.12673890306352867,0.13110173257933003,0.13366800943623336,0.13648648969500113,0.14317164927906834,0.14573352384109092,0.15642283536528367,0.15706766878154899,0.15712950062091094,0.15792865845304646,0.16160234186926467,0.16368071661946043,0.16489271864858235,0.16767333911501445,0.16825519024387772,0.16867139694301606],"n_dims_used":42,"mean_confidence":0.9092587970551991},"coverage":{"mean_confidence":0.9092587970551991,"n_dims_used":42,"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}}