{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000121},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["495:4950000430","495:4950000536","495:4950000068","495:4950000535","480:4800000095","495:4950000040","495:4950000133","495:4950000588","495:4950000388","495:4950000132","495:4950000589","495:4950000528","480:4800000096","495:4950000476","495:4950000051","495:4950000538","495:4950000810","495:4950000586","495:4950000623","495:4950000763","495:4950000530","495:4950000627","495:4950000429","495:4950000230","495:4950000767"],"twin_admin_codes":[495,495,495,495,480,495,495,495,495,495,495,495,480,495,495,495,495,495,495,495,495,495,495,495,495],"twin_sims":[0.7009233498314343,0.6543553304666052,0.6249255101938863,0.6242943550761507,0.5171779722063421,0.4953381661547683,0.45806236934174027,0.4242570563263477,0.4178278453092507,0.41497527164329273,0.387757238881575,0.3841959470261839,0.38110277546809307,0.37863779885327564,0.3773070341561312,0.367169807233299,0.35965411193547997,0.34973482869605904,0.3456754255759478,0.3439381839764431,0.34162767645776776,0.318549033960146,0.2656522564489125,0.2508224134646097,0.24321588042403017],"twin_dists":[0.10948915995216962,0.11961218269386585,0.12593443853807915,0.126069707220955,0.14914299180204535,0.15394532922620277,0.1622911433824404,0.17007268592923336,0.17158044696004793,0.17225258165834614,0.17877220187656012,0.17964064982456296,0.18039806476184622,0.18100377697257447,0.1813315767011453,0.1838474955082402,0.18573527558921016,0.1882579899899582,0.1893011447048691,0.1897495448122106,0.19034778105081482,0.19644810510555508,0.21146558955071532,0.21599889073042902,0.21839049293288634],"n_dims_used":42,"mean_confidence":0.8927637736002604},"coverage":{"mean_confidence":0.8927637736002604,"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}}