{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001510},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002696","490:4900001378","490:4900001376","490:4900001245","490:4900001516","490:4900001647","490:4900003130","490:4900004365","490:4900003266","490:4900002995","490:4900003661","490:4900002986","490:4900003536","490:4900003794","490:4900004493","490:4900001383","490:4900001642","490:4900003131","490:4900001509","490:4900003267","490:4900002996","490:4900002994","490:4900003654","490:4900003135","490:4900003670"],"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":[0.3493531545966872,0.33722028266199977,0.2371819199082688,0.23271411242735143,0.22135738196163846,0.22027741435120266,0.21806558305919024,0.19285868304074055,0.18347378937594627,0.1739839330521728,0.16474386002059666,0.15764626021055175,0.15621799747946566,0.1490843642806759,0.14381621291637384,0.14256095788570824,0.14134025634078415,0.12819382053379824,0.12221928981835009,0.12182760161076359,0.1190982947454746,0.11850664553576068,0.10954281194295258,0.09949223526373953,0.09885924181813668],"twin_dists":[0.1883557975362861,0.19149497953362765,0.22032224653883156,0.2217733462606253,0.225546540292109,0.22591199883974405,0.22666424078262623,0.23562808431939014,0.23917249598665166,0.24288906495681334,0.24664962899535692,0.24964306354782168,0.25025724051077936,0.25338794920003016,0.2557715782196524,0.2563490513354896,0.2569142646434952,0.2632458105487514,0.2662863072637081,0.26648955734613256,0.26791983733567787,0.26823318657439854,0.2731344041798422,0.27901415086736947,0.2793997328433041],"n_dims_used":45,"mean_confidence":0.914758809407552},"coverage":{"mean_confidence":0.914758809407552,"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}}