{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000298},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["495:4950001169","480:4800001107","495:4950001168","497:4970000681","480:4800001066","497:4970000679","480:4800001233","490:4900004611","490:4900006915","490:4900004342","490:4900007163","491:4910005138","490:4900007040","471:4710000131","490:4900004343","480:4800002235","490:4900004059","497:4970000545","480:4800000269","480:4800002503","471:4710000737","497:4970000752","480:4800001067","497:4970000609","490:4900004748"],"twin_admin_codes":[495,480,495,497,480,497,480,490,490,490,490,491,490,471,490,480,490,497,480,480,471,497,480,497,490],"twin_sims":[0.07541584867032432,0.002182986493424119,0.0014345839496228577,0.00042684283978606776,0.0003348929195382865,0.00009220860472936059,0.00004429557168688377,0.00003698132654791758,0.000030443645012434265,0.00002909011031082802,0.000021720943432127063,0.000020940799205153726,0.000020044441624678097,0.000019192232845835104,0.000015389046156023866,0.000015226160692028333,0.000013561050049909419,0.000012949709946230279,0.00001120152928130046,0.000008891697967731185,0.0000085054796850765,0.00000827254128719994,0.000008209174514547335,0.000004666539494852921,0.0000033094670113937984],"twin_dists":[0.29528888073073456,0.45463719106045253,0.4699547544473254,0.5116162961941327,0.519553133854993,0.5598616981450696,0.5815310793285047,0.5867423315680793,0.5923083521742103,0.5936020616640806,0.6018455384472157,0.6028697931601475,0.6040925413457757,0.605304424998118,0.6114276402799637,0.6117211196873003,0.6149062235210335,0.6161702621746467,0.6201274961080298,0.6263773285413893,0.627572012640868,0.628317919090107,0.6285243088885145,0.6435039772349458,0.6524489769041734],"n_dims_used":42,"mean_confidence":0.8901657831101191},"coverage":{"mean_confidence":0.8901657831101191,"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}}