{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000543},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000314","490:4900000760","490:4900001001","494:4940008157","490:4900000549","490:4900000762","494:4940007953","490:4900000462","490:4900000380","490:4900000318","490:4900000871","494:4940007851","490:4900000547","490:4900000753","494:4940007641","490:4900000996","494:4940007746","494:4940007533","490:4900000877","494:4940006890","494:4940007952","494:4940007849","490:4900000383","494:4940007748","490:4900012804"],"twin_admin_codes":[490,490,490,494,490,490,494,490,490,490,490,494,490,490,494,490,494,494,490,494,494,494,490,494,490],"twin_sims":[0.6294363716944242,0.5542601147174643,0.4746786922341148,0.42216402633218664,0.4070980949346863,0.3667069408025221,0.30296377405731867,0.28616272924796343,0.2860913839598493,0.22531632767227228,0.21283979043757772,0.19514375423961344,0.17043843818495352,0.16981507085838485,0.16976125977422687,0.16829646278121,0.16444174214253157,0.15900757974396973,0.1563662190757969,0.13921389797853145,0.13397257839355292,0.13360930626073192,0.12306682793258736,0.11379731347742629,0.08543875522339152],"twin_dists":[0.12496740318496935,0.14109429228373224,0.15854447825575063,0.17056247385590248,0.17411912712659636,0.18396319087179297,0.20070899561295685,0.2054476995527112,0.20546817017970206,0.2242169310333159,0.22846214777241047,0.23478338901129803,0.2443146657489098,0.24456750552228887,0.24458936268887774,0.24518626026352594,0.24677512285254413,0.2490614394568595,0.25019331253050486,0.2579075609139402,0.26040531928453353,0.2605811346769724,0.26584820625549505,0.2707711050485135,0.28807294137380207],"n_dims_used":45,"mean_confidence":0.9084430270724826},"coverage":{"mean_confidence":0.9084430270724826,"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}}