{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001548},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002142","490:4900001986","490:4900001985","490:4900002581","490:4900004130","490:4900002886","490:4900002296","490:4900002288","490:4900004282","490:4900002297","490:4900004402","490:4900001544","490:4900002444","490:4900004550","490:4900001680","490:4900005237","490:4900004407","490:4900002898","490:4900001976","490:4900004544","490:4900001973","490:4900004283","490:4900002298","490:4900004143","490:4900005377"],"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":[0.8324024317461226,0.7922613897156829,0.7139786179222681,0.6902870988082805,0.6627989276379207,0.639415585121324,0.6376752875079577,0.6213080726882514,0.616171539500001,0.6083528614769504,0.6003861785902538,0.5334698394392812,0.5188956438043332,0.4956949086598361,0.47844150846346734,0.47445216859698885,0.46041710961313964,0.4530927552587454,0.45266186303901174,0.4516210342490471,0.45004166369028503,0.44933750360546865,0.4474361864807026,0.44134646759957175,0.4315708575834847],"twin_dists":[0.07866562409839456,0.08863187383404347,0.10660824860614151,0.11182000017012579,0.11779030494037208,0.12282593130722969,0.12319963675829941,0.1267096164812554,0.1278099416905788,0.1294843038400183,0.13119023046382638,0.14559303578563695,0.14876752480687225,0.1538664270088285,0.15770221222643868,0.15859525261716784,0.16175735123510307,0.16342096123794153,0.163519135495343,0.16375641994958878,0.16411686745771895,0.16427772460247517,0.16471253207554462,0.16610993343256175,0.16836899378088507],"n_dims_used":45,"mean_confidence":0.9198571099175348},"coverage":{"mean_confidence":0.9198571099175348,"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}}