{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910000020},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910000135","491:4910000042","491:4910000242","491:4910000224","491:4910000059","490:4900000628","490:4900000853","491:4910000143","491:4910000415","491:4910000071","491:4910000325","491:4910000555","491:4910000371","491:4910000422","491:4910000081","491:4910000576","497:4970002414","491:4910000019","494:4940007080","491:4910000046","491:4910000523","491:4910000258","491:4910000286","491:4910000620","491:4910000102"],"twin_admin_codes":[491,491,491,491,491,490,490,491,491,491,491,491,491,491,491,491,497,491,494,491,491,491,491,491,491],"twin_sims":[0.5724930952000044,0.2635374913928292,0.22628699629354607,0.18814707516593848,0.12539606320276797,0.12249276513205808,0.11778503448349371,0.10973238566168111,0.1033581658876288,0.09930096320392645,0.09881372878555633,0.09692061992824928,0.09210053967157047,0.08418655691677901,0.08344186393197904,0.07366387028447201,0.0707966543906288,0.06906611296867213,0.06735690865653275,0.064023852098895,0.059922024670553665,0.055082131280373044,0.049890432088542755,0.04759958824678784,0.047190539398393364],"twin_dists":[0.13717040662569452,0.21210214732520596,0.2238933095500181,0.23739204054850876,0.26465591194887067,0.2661446929031295,0.2686169916186689,0.27302760327700215,0.276700024975547,0.27913045927125224,0.2794275311658719,0.28059279958009803,0.2836426973794117,0.28893614920123606,0.2894543749412905,0.2966284857760937,0.298877487593461,0.30027088611323266,0.30167524819304203,0.30449956820133206,0.30814545095407664,0.312721471984886,0.31801624177745386,0.32049966786675343,0.32095356500787753],"n_dims_used":44,"mean_confidence":0.8875937895341353},"coverage":{"mean_confidence":0.8875937895341353,"n_dims_used":44,"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}}