{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":487,"cluster_id":4870001327},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["487:4870001049","487:4870002585","487:4870001333","487:4870002584","665:6650003908","487:4870001144","487:4870001145","487:4870001329","487:4870001325","487:4870000486","489:4890002628","487:4870001514","487:4870001236","480:4800000568","665:6650001941","487:4870001696","665:6650000538","487:4870001420","487:4870004811","492:4920005011","487:4870001232","489:4890002712","487:4870000785","500:5000001908","480:4800000585"],"twin_admin_codes":[487,487,487,487,665,487,487,487,487,487,489,487,487,480,665,487,665,487,487,492,487,489,487,500,480],"twin_sims":[0.26231942231208294,0.1984498804482377,0.14759736538743073,0.09759377882378428,0.07453624294704425,0.07310560289032744,0.07146177110668722,0.049806760338592736,0.04846368393624545,0.04549072868997349,0.039765838894015575,0.03083501504832798,0.02911417763589131,0.025367662792720198,0.025273126716652414,0.02456018577943077,0.024117595820241713,0.023647367328347196,0.021643479258947444,0.0189543129405052,0.018648946014351294,0.01850941621688321,0.018254812085558625,0.017567121995311852,0.01655997333172437],"twin_dists":[0.2124702432778869,0.2335733133645066,0.2540543637726584,0.2801764184061001,0.29595827057968593,0.29706075779624486,0.2983492960579701,0.31810525686758556,0.3195514476706921,0.3228757458056831,0.3298273544718166,0.34258833666624233,0.34540412386349695,0.3520667169062056,0.3522455467683095,0.3536131287042162,0.35447949263275313,0.3554151725215892,0.3595929314307406,0.3657632558210502,0.36651149368868746,0.3668569537960683,0.3674932383868934,0.36925151713452825,0.3719387072000478],"n_dims_used":43,"mean_confidence":0.8904684199843296},"coverage":{"mean_confidence":0.8904684199843296,"n_dims_used":43,"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}}