{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002412},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001256","490:4900002411","490:4900002258","490:4900002560","490:4900003677","490:4900001128","490:4900003014","490:4900002715","490:4900001255","490:4900002716","490:4900010265","490:4900003289","490:4900002263","490:4900003541","490:4900002413","490:4900003295","490:4900010274","490:4900010175","490:4900003162","490:4900003544","490:4900003156","494:4940008964","490:4900002857","490:4900003290","490:4900002259"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494,490,490,490],"twin_sims":[0.4995094377245969,0.47859628349225336,0.45182413366243734,0.44954816425733846,0.38764318431226286,0.34795847267728186,0.308855683848988,0.3022773011993127,0.29707132466270675,0.19995568377124776,0.19369705232276774,0.18974736527589034,0.18618077400933503,0.18299439802518405,0.17020889755580673,0.14334533801554727,0.1432250529819529,0.13500942864716214,0.11827884473181909,0.11800969488553884,0.11157314947716561,0.10980031380877112,0.10658855528716282,0.10500309747173539,0.10432550315489525],"twin_dists":[0.15302376100865583,0.1576676135603901,0.16371010217838083,0.16422959174854831,0.1787999562000748,0.18871367566051456,0.1990837499932993,0.20089954164525348,0.20235287192856113,0.23302679120494574,0.23531737019842383,0.23678948947485762,0.23813734242850199,0.23935693517054413,0.2444076908421745,0.25598776122357003,0.2560430697228582,0.2599054691513494,0.26835415375584654,0.26849730832333085,0.27199791289328196,0.27298936906837873,0.2748175536006185,0.2757358281279984,0.2761315733169076],"n_dims_used":45,"mean_confidence":0.9210236443413629},"coverage":{"mean_confidence":0.9210236443413629,"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}}