{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011989},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011266","490:4900011664","490:4900011119","490:4900011034","490:4900010531","490:4900012137","490:4900011789","490:4900011612","490:4900011530","490:4900011796","490:4900011731","490:4900011035","490:4900011738","490:4900011734","490:4900011922","490:4900012122","490:4900011462","490:4900011657","490:4900011864","490:4900011920","490:4900011471","490:4900011194","490:4900012145","490:4900011544","490:4900011729"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.4806537894350819,0.4660141836231765,0.44976091033047266,0.4461048709310197,0.41152160150114975,0.39196110945220114,0.3844023640060164,0.3743747734030417,0.3693953714706096,0.3631032148808817,0.35698556233480544,0.34359683113571654,0.3390658441379462,0.3258038466023264,0.32255100460051567,0.3212010306859941,0.3083097796292934,0.30529547951884106,0.30491563092500523,0.29747723847063334,0.29283125630578966,0.2922116242734421,0.28898387998294406,0.27730592699492046,0.27648535626998955],"twin_dists":[0.15720801510611399,0.1604924162969967,0.16418099098132857,0.16501740307857277,0.17306902509024613,0.17775188611300122,0.17959020924699523,0.1820558600918959,0.18329222247100224,0.18486648089284272,0.1864103803472822,0.18983779277795262,0.19101362441873876,0.19450496626240593,0.19537319194044947,0.19573495000774718,0.19923357814880469,0.20006364353655143,0.20016857992188777,0.20223902087182924,0.203547652391475,0.2037231094220433,0.20464068488931111,0.2080128718374269,0.20825303536924333],"n_dims_used":45,"mean_confidence":0.9153920491536458},"coverage":{"mean_confidence":0.9153920491536458,"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}}