{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001414},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001473","480:4800001584","480:4800001237","480:4800001356","480:4800002369","480:4800001646","480:4800002270","480:4800001927","480:4800001875","480:4800001530","480:4800001427","480:4800001923","480:4800001925","480:4800001698","480:4800001820","480:4800001486","480:4800001483","480:4800002332","480:4800001364","480:4800002150","480:4800001480","480:4800002513","480:4800002380","480:4800001310","480:4800002519"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.8221856965536801,0.7594808624417106,0.7325334648824332,0.7171073925548336,0.6901471591394703,0.6830737315719616,0.6682315963021518,0.6334849137451662,0.5923296538883032,0.5787551242710129,0.5783464922692199,0.5756686414102675,0.5551495122823286,0.5420965918072029,0.5030891959747809,0.4987200296503448,0.4944631990912729,0.4731464702122876,0.46818919052227326,0.45871581463661937,0.4586943878832502,0.45300845497192677,0.4489292685036033,0.44733288241092906,0.4457824390991159],"twin_dists":[0.08127051080811518,0.0963385371685809,0.10246862535361491,0.10591416436702801,0.11185057921635859,0.11339351418662046,0.11661549681401853,0.12409901006065163,0.13291585631133485,0.13582609176957017,0.13591377473289695,0.13648851627471437,0.1409024838764695,0.1437225463296942,0.15223459465835576,0.15319799901935383,0.15413891879808403,0.15888807581044762,0.16000229134446295,0.1621429167368004,0.1621477759505607,0.1634401654615098,0.1643710244082372,0.16473617636922194,0.16509129188732316],"n_dims_used":43,"mean_confidence":0.9130488550940226},"coverage":{"mean_confidence":0.9130488550940226,"n_dims_used":43,"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}}