{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004179},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004034","490:4900002786","490:4900002637","490:4900003892","490:4900002176","490:4900002638","490:4900003753","490:4900003894","490:4900002615","490:4900004182","490:4900004445","490:4900002466","490:4900000464","490:4900001847","490:4900008643","490:4900001316","490:4900002004","490:4900006037","490:4900004184","490:4900000777","490:4900000953","490:4900001573","490:4900003893","490:4900000685","490:4900002469"],"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":[0.7435563896163417,0.6862713783520432,0.6684168399613312,0.6566874849866917,0.633136476348225,0.629191734005681,0.6002913440202176,0.5907114271949673,0.5896622622605329,0.575015349650432,0.5600931652403613,0.5573041528877154,0.5417529070899033,0.5301202946921095,0.5076346062770668,0.49659174173561055,0.48152859395400965,0.48019700477586874,0.47145405015766584,0.4670586549817723,0.4632176022326569,0.456749165745425,0.45248119640250534,0.4292506745331929,0.41445472592892907],"twin_dists":[0.09997985234548407,0.11269665606539095,0.11657539885641063,0.1191094271664616,0.12417376786432481,0.12501986166992768,0.1312105391991201,0.13326257290846652,0.13348738914747338,0.1366287684653818,0.13983715084424822,0.14043800186140556,0.14379695638529755,0.14632092575799363,0.15123474110132287,0.15366814270878534,0.15701279413125716,0.15730999575066398,0.15926802705592386,0.16025695309715154,0.16112377256986865,0.16258925911696748,0.16356030874748703,0.1689081702445216,0.1723754489483426],"n_dims_used":45,"mean_confidence":0.9177703857421875},"coverage":{"mean_confidence":0.9177703857421875,"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}}