{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002540},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002391","490:4900002539","490:4900001786","490:4900001787","490:4900002242","490:4900001935","490:4900001788","490:4900002241","490:4900002089","494:4940004438","490:4900002088","494:4940003837","494:4940004079","490:4900001933","490:4900007044","490:4900006555","490:4900007167","490:4900012534","490:4900013016","490:4900004895","490:4900013015","494:4940004200","490:4900007041","494:4940005574","490:4900012977"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,494,490,494,494,490,490,490,490,490,490,490,490,494,490,494,490],"twin_sims":[0.6546352340186998,0.6122648644837863,0.5860824000175421,0.5515522520397406,0.2788581031262111,0.22537943578024594,0.21253756029286563,0.07076081016071918,0.033649296269005,0.016058148949355724,0.012994614412726261,0.012663057666360122,0.008376645012778402,0.00666149474766982,0.00636788720024712,0.006057172078492923,0.005915732013935537,0.005283854434566593,0.004918092904985959,0.0037318051508837893,0.003321648591834689,0.003254904973195722,0.0030988541541140894,0.002509701254196252,0.0016244059751173807],"twin_dists":[0.11955185958732459,0.1286466035420866,0.13425465478810233,0.14167856556227568,0.2075597656739565,0.22419586264202523,0.22856703611926046,0.2989060668027469,0.33826074560102404,0.3733316103790466,0.38277606401458164,0.38391330639537713,0.40165909596123994,0.41116758729560765,0.41301261305195136,0.4150505872136135,0.4160096969540319,0.42056477148083493,0.4234320376279634,0.43428844783407117,0.43878721859107367,0.4395668052290022,0.44144805777728785,0.4494329688096166,0.4654732456867332],"n_dims_used":44,"mean_confidence":0.9147049296985973},"coverage":{"mean_confidence":0.9147049296985973,"n_dims_used":44,"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}}