{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003075},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003490","490:4900001997","490:4900002920","490:4900003738","490:4900002485","490:4900003888","490:4900003356","490:4900002487","490:4900003222","490:4900002612","490:4900002918","490:4900002784","490:4900002488","490:4900002159","490:4900002626","490:4900003198","490:4900000918","487:4870001945","490:4900003747","490:4900001332","490:4900001584","487:4870002122","490:4900002309","490:4900001586","490:4900008540"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,487,490,490,490,487,490,490,490],"twin_sims":[0.6875975922520292,0.6275990622764572,0.6274987512712842,0.6143017681067511,0.580697379307187,0.5713135569719321,0.5633349689037896,0.5522159006416639,0.547385719548818,0.5291677891648593,0.5138146176244446,0.5076273749122577,0.48829222316561005,0.47527469418702484,0.4698532868196826,0.46201018751175643,0.4473547664562708,0.4401284014056162,0.43970211787748886,0.43497406162412455,0.42833398259600924,0.41789634610435894,0.41535565780844536,0.41471502015528533,0.409261026085452],"twin_dists":[0.11240732644286586,0.12536134496826762,0.12538285038217956,0.12821039314054505,0.1354094000541715,0.13742378870036567,0.13913926754160258,0.14153532912696726,0.14257847772842044,0.14652809126523106,0.14987906856200484,0.15123632988945696,0.15550713975689467,0.15841092484966673,0.15962782188839755,0.1613967698665339,0.16473116736413052,0.16639033272780512,0.16648853488345286,0.16758025508140398,0.16912152356481822,0.17156433074961053,0.17216283906336716,0.172314001932956,0.17360504172895144],"n_dims_used":45,"mean_confidence":0.9177214728461371},"coverage":{"mean_confidence":0.9177214728461371,"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}}