{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000532},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000632","490:4900000529","494:4940007946","490:4900012303","490:4900000382","494:4940007633","490:4900000982","490:4900000638","490:4900012232","494:4940004966","490:4900000744","494:4940008250","494:4940008258","494:4940005053","490:4900000758","490:4900000648","494:4940008259","490:4900000633","490:4900003157","494:4940001389","487:4870000031","494:4940008917","490:4900012709","490:4900000980","494:4940007962"],"twin_admin_codes":[490,490,494,490,490,494,490,490,490,494,490,494,494,494,490,490,494,490,490,494,487,494,490,490,494],"twin_sims":[0.17240871846343175,0.07348530450880751,0.06880117616077283,0.06815776656071755,0.0671791191712113,0.06690665715135431,0.06476207711004381,0.05953329133869297,0.04227869053498961,0.041893701214829195,0.041130110735305286,0.03615702089286984,0.03579512612369723,0.033427532464703924,0.03106432354333077,0.029721457655708616,0.028509317790953538,0.027366932104650812,0.026253148396800072,0.025989365262817025,0.025591992600796625,0.024709142282717173,0.02455898161330928,0.024524346451439236,0.024434965976572794],"twin_dists":[0.24351984828729406,0.2967664620606544,0.30048670528123805,0.30101365857802526,0.3018229886379381,0.30205002003625314,0.3038638426114432,0.3085015074570982,0.3266787217228667,0.32715070353619935,0.3280977510309502,0.3346573034567891,0.33516393354807367,0.3385903054534373,0.34222335366315604,0.34439452392910413,0.3464278367456812,0.3484133288634103,0.3504190499333919,0.3509048031923113,0.3516446547414002,0.3533245856098921,0.353615467451407,0.35368277881583576,0.35385686517195025],"n_dims_used":45,"mean_confidence":0.9111935933430989},"coverage":{"mean_confidence":0.9111935933430989,"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}}