{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000475},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001065","490:4900003893","490:4900003898","490:4900004184","496:4960008773","490:4900000274","490:4900002180","490:4900001060","490:4900003892","490:4900000953","490:4900000020","490:4900004597","490:4900002176","490:4900001740","490:4900002498","490:4900004323","490:4900001600","496:4960008267","490:4900003753","490:4900000326","490:4900001193","496:4960006105","490:4900000685","490:4900002004","490:4900000503"],"twin_admin_codes":[490,490,490,490,496,490,490,490,490,490,490,490,490,490,490,490,490,496,490,490,490,496,490,490,490],"twin_sims":[0.6232408407994356,0.581294407956116,0.5804930145229092,0.5379503982822259,0.5236613482002787,0.5223808272210406,0.508825456762289,0.5043229839688519,0.49940056328171417,0.4862217247280476,0.4739056296723424,0.4640726127557927,0.4578822018227275,0.45601187476438304,0.44712790115361556,0.44584250036416967,0.43734150413172357,0.42836226917902764,0.4189985837382479,0.41030396633045757,0.40539968263843773,0.40198894865744506,0.4008683049397019,0.39838021742812485,0.3981768912770692],"twin_dists":[0.12629547708151365,0.13528133623733293,0.1354532391117208,0.144620816083707,0.14772731519036583,0.14800659804400915,0.15097318253182,0.1519629597852177,0.15304778716558884,0.15596736737553527,0.15871779002428643,0.16093060492587355,0.16233202569754404,0.16275677041102082,0.16478309871505378,0.16507752664388092,0.16703302319141258,0.16911493727428953,0.1713051615492872,0.17335758387090303,0.17452365512083826,0.1753383195277845,0.17560666739498412,0.17620368107928439,0.17625254393324355],"n_dims_used":45,"mean_confidence":0.9167817857530381},"coverage":{"mean_confidence":0.9167817857530381,"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}}