{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000272},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000271","480:4800000273","480:4800000274","480:4800000362","480:4800001027","480:4800000303","480:4800000870","475:4750010104","480:4800000786","480:4800000393","480:4800000880","480:4800000871","480:4800000787","480:4800001029","480:4800001028","480:4800000784","480:4800001073","480:4800000788","480:4800000827","480:4800000872","491:4910002076","480:4800001203","480:4800000879","475:4750010101","491:4910002325"],"twin_admin_codes":[480,480,480,480,480,480,480,475,480,480,480,480,480,480,480,480,480,480,480,480,491,480,480,475,491],"twin_sims":[0.6015439954154889,0.2541791024284405,0.10200000986535653,0.058207445419123885,0.04804931059052874,0.04800253420082415,0.04675048616326098,0.046593199087398576,0.04546343924743579,0.04499315069154284,0.043881849948293895,0.043579114528913665,0.04252954802613578,0.04096211195321666,0.040954567620675404,0.03956827511868618,0.03922081943801564,0.0388353432052667,0.03851520101673661,0.03848353629436271,0.03740065451758035,0.03661801831803726,0.036531714728973666,0.03647522381497062,0.03588233638936635],"twin_dists":[0.130942289929418,0.21495825577119732,0.2775051829137588,0.30973047631906436,0.32000438478565174,0.32005571912164904,0.32144555451924883,0.32162234519621896,0.32290709260878425,0.3234497970970792,0.32475138196438236,0.3251107481099122,0.32637312385461065,0.32830809979528314,0.32831756300174897,0.33008196224713426,0.33053235959139726,0.33103600733444655,0.3314575175082087,0.33149936934306135,0.3329484948272184,0.3340181367105797,0.33413727366863016,0.33421538545217766,0.3350414479648759],"n_dims_used":42,"mean_confidence":0.9104539780389695},"coverage":{"mean_confidence":0.9104539780389695,"n_dims_used":42,"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}}