{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003015},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002563","490:4900003410","490:4900004237","490:4900003816","490:4900003542","490:4900002414","494:4940008944","490:4900003155","490:4900002707","490:4900003002","490:4900002706","490:4900003144","490:4900003022","490:4900002109","490:4900002859","490:4900002856","490:4900003548","490:4900003555","490:4900003010","490:4900002712","490:4900003676","490:4900002570","490:4900004925","490:4900009474","490:4900004515"],"twin_admin_codes":[490,490,490,490,490,490,494,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.5264556484040782,0.41242660959015687,0.4072270473333772,0.39656202732087964,0.3932452313157849,0.3092669074148603,0.2878371006623659,0.2860663004286672,0.2366513722974319,0.22441375057627452,0.19340246182356224,0.18369723980748817,0.16534740653662847,0.16327750789726908,0.1622446454239687,0.1434299239193322,0.1390684817628013,0.1351430489388151,0.1320488667428679,0.1294609143310607,0.12210500066920557,0.12118547972128657,0.11255689797558716,0.11141461841372469,0.10874644454625308],"twin_dists":[0.14711841060180034,0.17285479526406244,0.17408844389778383,0.17664103048616323,0.17744123997362962,0.19897098654976894,0.20496815957544,0.20547536795804014,0.22049362231565833,0.22451868299490632,0.23542644370011995,0.23908664263570908,0.24639942470572784,0.24726028828338284,0.24769280912911662,0.25594888824818346,0.2579759022156186,0.2598412625898539,0.2613404657389475,0.2626148370050057,0.2663455614339209,0.2668238401400086,0.2714529911261165,0.27208607361675896,0.2735846259895793],"n_dims_used":45,"mean_confidence":0.9215097215440539},"coverage":{"mean_confidence":0.9215097215440539,"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}}