{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001789},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001523","490:4900002405","490:4900002551","490:4900001263","490:4900002416","490:4900002853","490:4900002558","490:4900001938","490:4900001947","490:4900010207","490:4900002700","490:4900002423","490:4900007855","490:4900002257","490:4900001944","490:4900002407","490:4900003976","490:4900001796","490:4900001950","490:4900003003","490:4900003968","490:4900004115","490:4900011944","490:4900002701","490:4900002860"],"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":[0.2617436862252811,0.2586456170769092,0.24801125908056829,0.24388675098828147,0.20701948630774275,0.19041622714085313,0.18817867942346558,0.18224736738163463,0.17009540776280213,0.16763666174635386,0.1557455193383813,0.15415544239210632,0.1489046614874287,0.14886431493398028,0.1386887576337091,0.1368575211907893,0.13240935834863113,0.12538609351477584,0.12484190223317698,0.12389725575546615,0.11547260145403994,0.11424248323858838,0.11281729898166269,0.11161403768480967,0.11102893661925635],"twin_dists":[0.21264460110624242,0.213586989493214,0.21687726085594736,0.21817764267280976,0.23050013021426133,0.2365386986317529,0.2373801060519623,0.2396450257000174,0.2444537176976588,0.2454563469305904,0.2504613166557999,0.251151458124002,0.2534682236897494,0.2534862565955584,0.25815461319091765,0.25902162574545196,0.2611644483189884,0.2646609792517651,0.2649380411960107,0.2654211720833285,0.2698591835763869,0.2705277803949175,0.2713093639492191,0.2719751902381743,0.27230096037681667],"n_dims_used":45,"mean_confidence":0.9190487331814237},"coverage":{"mean_confidence":0.9190487331814237,"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}}