{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002715},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003677","490:4900002560","490:4900001128","490:4900001256","490:4900002413","490:4900003541","490:4900003544","490:4900002411","490:4900002716","490:4900002412","490:4900001255","490:4900002865","490:4900002857","490:4900002562","490:4900002717","490:4900003006","490:4900003014","490:4900002866","490:4900002258","490:4900002561","490:4900003678","490:4900003162","490:4900002864","490:4900003679","490:4900002867"],"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":[0.8193546625720421,0.7799333497901058,0.6823450984508005,0.5610290938898249,0.3981457396058619,0.3529309651641107,0.328818900122898,0.32637683394148126,0.30279751025696217,0.3022773011993127,0.2792574170361592,0.2715281024917221,0.26648422521353976,0.2574088528609137,0.2524475189466679,0.2035643656912988,0.1798258736271013,0.1719386808878447,0.15185396270234452,0.14862610863811165,0.146415005025028,0.13831016197544438,0.13053005848249088,0.12772565122831894,0.12468910747564119],"twin_dists":[0.08198326273993019,0.09156783424469173,0.11355216008074595,0.13963561232568658,0.17626003123543468,0.18744113117184716,0.19370448977737423,0.19435252784955112,0.20075512281890986,0.20089954164525348,0.20744344775128537,0.2097132885676111,0.21121602743149098,0.2139651801255967,0.21549397820879096,0.2317284811449827,0.2405846453553173,0.24370886963060104,0.25215966977514,0.253592796511923,0.25458779928647096,0.2583331572752527,0.26208605541752283,0.26348013794143527,0.26501599789859676],"n_dims_used":44,"mean_confidence":0.9193994348699396},"coverage":{"mean_confidence":0.9193994348699396,"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}}