{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004752},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003509","490:4900004893","490:4900005943","491:4910002864","490:4900004754","490:4900004750","490:4900004341","490:4900004753","490:4900006069","490:4900004613","490:4900006793","490:4900006067","490:4900004612","490:4900004894","490:4900007045","490:4900004481","490:4900004742","490:4900010655","490:4900004748","490:4900004896","490:4900004203","490:4900006317","490:4900004202","490:4900003511","490:4900007040"],"twin_admin_codes":[490,490,490,491,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.06963832097723335,0.06107409499800517,0.055354245771901976,0.048319667670925964,0.033134541207182726,0.028412999583165188,0.027443685986935275,0.024442749183669267,0.019763996791564698,0.01894952452711309,0.014888729314607291,0.012505598706962422,0.010550656195328462,0.010012335182083356,0.007343482842626277,0.005373853578069236,0.0034501077058549656,0.0028665050090314536,0.002798503947928499,0.0020462378673445575,0.002018471752272774,0.0018363421093850814,0.0015504643773959653,0.0013795592724630862,0.001341154114809549],"twin_dists":[0.2998070483782629,0.3071012620963009,0.3124555556163703,0.31970849892046754,0.33902858661214097,0.34659257250953746,0.3482777152175162,0.35384168393802756,0.3638291073344155,0.3657749072490046,0.3767323217870385,0.38446265360964366,0.3918495249339032,0.39409738233491143,0.4071494562348027,0.4198868492955203,0.43732617535429635,0.44441606406986384,0.44532635315880253,0.45703097286378985,0.4575349200580737,0.4610079533672863,0.46715839703601286,0.47135640946446533,0.4723656604415917],"n_dims_used":45,"mean_confidence":0.9003987630208333},"coverage":{"mean_confidence":0.9003987630208333,"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}}