{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004083},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004222","490:4900003665","490:4900003516","490:4900003798","490:4900003137","490:4900002997","490:4900002234","490:4900002228","490:4900002535","490:4900004351","490:4900002079","490:4900002377","490:4900003117","490:4900002676","490:4900003121","490:4900003809","490:4900003138","490:4900004085","490:4900001928","490:4900002976","490:4900003948","490:4900002380","490:4900002383","490:4900004216","490:4900004504"],"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":[0.5624303147811025,0.39631050089321795,0.2659731769657546,0.2450694790873403,0.21653008900909257,0.199091302849714,0.1957067264090897,0.19556109639932034,0.165074931345419,0.15964427687766253,0.15309782650629705,0.15117973811095636,0.1265748544254709,0.12331991849948272,0.10546039128849584,0.10114488942135264,0.09953214736173617,0.09786241307797394,0.09052998052459195,0.09043509764016562,0.08693152914297397,0.08615926276024392,0.08252813713206475,0.08074965363735279,0.07831819157991197],"twin_dists":[0.1393339644416159,0.17670160527460824,0.21136926684170174,0.2178033115441061,0.22718947901644332,0.2333401643159024,0.23457633748444134,0.2346298580520315,0.24651229929948967,0.24879065460543762,0.25161338789022947,0.2524571515306597,0.26405890987145214,0.265717826779747,0.2754698700214018,0.2780164297766822,0.27898990327586265,0.28001088461836754,0.28466367636531215,0.28472580493957583,0.2870569635418372,0.28758081668587904,0.2900953013551113,0.29135925691313463,0.2931238908075685],"n_dims_used":45,"mean_confidence":0.9209044562445746},"coverage":{"mean_confidence":0.9209044562445746,"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}}