{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000390},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["488:4880001447","467:4670001849","474:4740004984","493:4930006342","480:4800005050","487:4870010582","466:4660007490","496:4960007301","490:4900003302","472:4720006554","490:4900010119","467:4670001847","472:4720004224","490:4900003195","487:4870011101","472:4720005901","487:4870002165","490:4900006898","490:4900005388","466:4660011358","487:4870003946","479:4790001957","480:4800003802","496:4960007682","466:4660000350"],"twin_admin_codes":[488,467,474,493,480,487,466,496,490,472,490,467,472,490,487,472,487,490,490,466,487,479,480,496,466],"twin_sims":[0.020131804971495807,0.010743306646566244,0.00804696948228223,0.007609811889664614,0.004767892916619119,0.003464693844952255,0.002902807670605517,0.002810594737287527,0.0026763657218353653,0.002574672273211154,0.0019396348141350506,0.0019007161307351232,0.0018347529622652929,0.0013560841337021657,0.0012824778679229269,0.0011081557567350607,0.0009713745928460899,0.0009063732692445005,0.0009021381888267782,0.0008870036810369366,0.000728376800216863,0.000688931641885694,0.0006675222088231399,0.0006134379718386947,0.000613201194200751],"twin_dists":[0.36297325696376265,0.3910698455808369,0.4033417222665185,0.4056708903282183,0.42466577472934947,0.43716342786131407,0.4439381590039038,0.44516303247739086,0.4470134007271475,0.44847272209581196,0.45900133791481285,0.4597455794146261,0.46103962882146465,0.4719701784662032,0.47396043280950445,0.4791315435584227,0.48374710609497,0.4861561114811306,0.48631858050314286,0.4869050277196145,0.4936833885988508,0.49558200122914436,0.49665531904209775,0.49951664091576875,0.49952967696289724],"n_dims_used":45,"mean_confidence":0.9071973164876302},"coverage":{"mean_confidence":0.9071973164876302,"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}}