{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002182},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001317","490:4900000898","490:4900001880","490:4900004031","490:4900001866","490:4900002926","490:4900001451","490:4900002001","490:4900000929","490:4900005001","490:4900001025","490:4900000682","490:4900004043","490:4900004321","490:4900002781","490:4900000479","490:4900002465","490:4900004869","490:4900002908","490:4900001198","490:4900003084","490:4900005003","490:4900001318","490:4900003081","490:4900003615"],"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":[0.6775675718036381,0.6641475998766244,0.614384296897799,0.6074891748633742,0.5896551646910637,0.565014014097612,0.5610867138649571,0.5517301299295073,0.5091739478166069,0.508567755027923,0.4973298339349908,0.4904633062041231,0.48761320351238574,0.485802483553372,0.469955148790497,0.46034906086075156,0.4598790443644999,0.459742202116323,0.45471750466820676,0.4499305039563883,0.4497532369113553,0.44826766120203165,0.43624091770145496,0.4333950895370372,0.43257897230168657],"twin_dists":[0.11459110831484086,0.1174988584006429,0.12819271856702721,0.12966924332033808,0.1334889100938783,0.13877801459822434,0.13962320620008647,0.14164017118075134,0.15089667008895782,0.15102977061834674,0.15350503181231048,0.15502518776081134,0.1556580057724833,0.15606062857499203,0.15960491463604148,0.16177276340491,0.16187923825360345,0.16191024499679219,0.16305108754483455,0.1641422543360854,0.16418274378558242,0.16452229873058066,0.16728727580975228,0.16794589352900943,0.16813508934995297],"n_dims_used":45,"mean_confidence":0.9164412604437934},"coverage":{"mean_confidence":0.9164412604437934,"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}}