{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000166},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000106","480:4800000132","480:4800000133","480:4800000001","480:4800000255","480:4800000167","480:4800000204","480:4800000107","480:4800000135","480:4800000136","480:4800000137","480:4800000226","480:4800000002","480:4800000196","480:4800000164","480:4800000131","480:4800000010","480:4800000165","480:4800000171","480:4800000244","480:4800000024","480:4800000041","480:4800000162","480:4800000227","480:4800000168"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.5743047989350496,0.5466701306460943,0.5435464356605679,0.520257381576892,0.5167952964506826,0.4903817190158161,0.41300690368177867,0.4021006967503371,0.38756904971337625,0.3629873929515381,0.3617032453338296,0.34672439179403697,0.32904283416924446,0.3278067645387048,0.32286806192052336,0.31811914483315357,0.29872166495776953,0.2924025875934268,0.292252575977116,0.29151616166087785,0.27083290316104575,0.2580858101326183,0.25279592100969145,0.24476734768422498,0.24146971841553988],"twin_dists":[0.13678133077229065,0.14273314996954725,0.14340874006503995,0.14847007193325126,0.14922668201275388,0.1550432874719491,0.17271753815711877,0.17531157902188388,0.17881799836690265,0.18489558707923787,0.18521861100581813,0.18903097331221833,0.19364519861133364,0.1939727514089931,0.19528835147344117,0.19656402156707903,0.20189055058135688,0.2036690121132327,0.20371150659498125,0.20392030214435747,0.2099193798012011,0.21375803143208544,0.21538600115539863,0.21789882454364698,0.2189462922046259],"n_dims_used":42,"mean_confidence":0.9031317574637276},"coverage":{"mean_confidence":0.9031317574637276,"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}}