{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003926},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003770","490:4900003246","490:4900003783","490:4900004206","491:4910002162","490:4900003237","490:4900003782","490:4900003501","491:4910002068","490:4900003639","490:4900003502","490:4900003632","490:4900004067","490:4900003634","490:4900003113","490:4900005170","490:4900003367","491:4910001403","490:4900003238","490:4900004193","490:4900005294","490:4900006075","490:4900006076","490:4900003240","490:4900005288"],"twin_admin_codes":[490,490,490,490,491,490,490,490,491,490,490,490,490,490,490,490,490,491,490,490,490,490,490,490,490],"twin_sims":[0.5654269000761408,0.4841899472430776,0.39829039454917464,0.33691602973652485,0.3171610627060629,0.28189345256960213,0.2742178160443616,0.2478836931133555,0.22287504801458452,0.20087735929554165,0.18183733233481553,0.17883816059200544,0.15151774700392823,0.1505950248647832,0.15035052927716502,0.11930819944728371,0.1148402325896178,0.10950277923731866,0.0920612693666795,0.088568923855674,0.08341700721994202,0.07909681142417457,0.0780661285696449,0.07469013927774029,0.07454890322228909],"twin_dists":[0.13868920123968068,0.15641957260577355,0.17622526569331542,0.19157447040115783,0.19682267947021578,0.20667810731095207,0.20891897122861008,0.2169172708750485,0.22503497394965657,0.23269367353839668,0.23980350933416242,0.2409704840009869,0.2523078934317719,0.2527159299413634,0.2528243563574911,0.2678089538437369,0.2702022024271379,0.27315697585374843,0.2836680575034863,0.2859583899157805,0.2894717361088617,0.29255407868643696,0.29330933165612044,0.2958406952268804,0.29594859085327563],"n_dims_used":44,"mean_confidence":0.8987564607100054},"coverage":{"mean_confidence":0.8987564607100054,"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}}