{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010913},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010576","490:4900011072","490:4900011152","490:4900011956","490:4900010140","490:4900011074","490:4900010485","490:4900011083","490:4900011155","490:4900010839","491:4910005409","490:4900009637","490:4900010216","490:4900011889","490:4900011955","490:4900011954","490:4900008669","490:4900011233","490:4900010490","490:4900010914","490:4900010833","490:4900009839","490:4900009835","490:4900009934","490:4900011957"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,491,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.4587924120660103,0.4232845317042009,0.23437780571291622,0.17634317586773438,0.1744635498141765,0.16728958983611752,0.14583557836714894,0.13716390217169963,0.1243790241576181,0.1143806072512457,0.11327384452641558,0.11159523069910744,0.10913191020079392,0.10880842731054535,0.10226073768831477,0.09928664304773398,0.09825820094239883,0.09820487417735861,0.09555632669611736,0.0946218459878847,0.09454541124899181,0.09029720746298885,0.08818763993272515,0.08648655248913184,0.0843298467034443],"twin_dists":[0.1621255464415948,0.1703001394073601,0.22123088021289372,0.24195190476185902,0.24269781645854321,0.24559872657819684,0.2548503782017315,0.2588759654260571,0.2651744274771584,0.27045243174901373,0.27105816654315085,0.2719856409777666,0.27336638752069475,0.27354949292571884,0.27734996896138076,0.27913917410874095,0.2797676467076777,0.2798003746806984,0.2814437013748085,0.2820320647167157,0.28208039138298474,0.2848161864428241,0.2862127537420474,0.2873583512073553,0.28883685506638973],"n_dims_used":45,"mean_confidence":0.8868750678168402},"coverage":{"mean_confidence":0.8868750678168402,"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}}