{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011100},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012047","490:4900012179","490:4900010304","490:4900012115","490:4900012177","490:4900010221","490:4900010841","490:4900010303","490:4900010028","490:4900008008","490:4900009823","490:4900008789","490:4900012165","490:4900012178","490:4900010025","490:4900012110","490:4900011081","490:4900009948","490:4900010482","490:4900012104","490:4900011250","490:4900011386","490:4900010392","490:4900011755","490:4900007786"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.28109717473353507,0.21209220972034246,0.1987808252834103,0.19626219815622548,0.1626236627685598,0.15807462489936894,0.15423056706606877,0.1508671381589355,0.15086194030348135,0.13927466622898005,0.1350043000719784,0.12721546601827652,0.126444036652298,0.12105622148502042,0.12020405122298511,0.1126792958668378,0.10929008968283468,0.10577957411598932,0.10053235027910008,0.09976964271668648,0.0983411340262919,0.09545754614095907,0.09532111327811718,0.08492915472793397,0.0808055474526232],"twin_dists":[0.2069088376022707,0.22872177834557558,0.23345295417012932,0.23437244890731973,0.24753386093677465,0.24945965128460681,0.2511187347391977,0.2525954081141002,0.25259770879978694,0.2578790174273941,0.25990793445881116,0.263736236628976,0.26412495433194966,0.26689129411148876,0.2673373844853697,0.2713854492860625,0.2732770040061184,0.2752847670963657,0.2783847265826749,0.2788457762180625,0.27971677626926794,0.28150568042667945,0.2815913671837854,0.28842301126710207,0.29131919593456906],"n_dims_used":44,"mean_confidence":0.8916326002641157},"coverage":{"mean_confidence":0.8916326002641157,"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}}