{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004019},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003479","490:4900002628","490:4900002907","490:4900002321","490:4900004294","490:4900002318","490:4900002461","490:4900002458","490:4900001696","490:4900003610","490:4900001598","490:4900001720","490:4900001700","490:4900003056","490:4900002617","490:4900003073","490:4900004014","496:4960008014","490:4900002150","490:4900002614","490:4900003460","490:4900003346","490:4900002763","490:4900001430","490:4900004305"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,496,490,490,490,490,490,490,490],"twin_sims":[0.7406144739491252,0.6847833241034237,0.5481854145786975,0.5324856773555331,0.5256262964448283,0.5179495218671459,0.5155516047721118,0.5031969852805761,0.49324146748851594,0.48882177692876067,0.46152461214837204,0.45957083862905984,0.4560715263585329,0.44745182497161745,0.44393775930911866,0.4436373712978378,0.43554053101062623,0.43256361478110755,0.4293645720951081,0.4274082745919488,0.425490514396614,0.4175894144840933,0.4038230125310674,0.4012881354493615,0.39837691799247377],"twin_dists":[0.1006464544668096,0.11302107497451663,0.14240566692940285,0.1458068054344635,0.14729905874645316,0.1489743012981799,0.14949877836811143,0.15221085620813932,0.15440939771967777,0.15538952644385598,0.1615066295859647,0.1619490784628578,0.1627432140160296,0.16470895290893525,0.1655144137843521,0.16558337880736143,0.16744920867037832,0.16813865097456807,0.1688816744511086,0.16933716550247563,0.1697845177861699,0.17163655148179413,0.17489986385970763,0.17550609564010436,0.17620447390081373],"n_dims_used":45,"mean_confidence":0.9173285590277778},"coverage":{"mean_confidence":0.9173285590277778,"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}}