{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910000548},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001416","491:4910001284","492:4920006569","491:4910001088","492:4920005667","492:4920004440","492:4920006715","492:4920005078","492:4920004229","491:4910001847","492:4920003907","492:4920004699","492:4920006057","492:4920004604","492:4920002971","492:4920005186","492:4920005452","492:4920005759","480:4800000311","491:4910002335","487:4870011965","492:4920004901","492:4920003144","492:4920004802","491:4910001695"],"twin_admin_codes":[491,491,492,491,492,492,492,492,492,491,492,492,492,492,492,492,492,492,480,491,487,492,492,492,491],"twin_sims":[0.19220157381515388,0.16235228752393066,0.10076005876497623,0.08590687185735438,0.08065980157335856,0.07851245447770719,0.07306324824147448,0.07263946076587595,0.06913199493402472,0.058245780458818355,0.05630984515461455,0.056159130773354896,0.05553339276230532,0.052338704027613155,0.05119285730245613,0.050313304155664554,0.05000188917752921,0.049056902342795895,0.04690427431203458,0.04432230176868085,0.042583234559755705,0.041085188152157455,0.040392595621130574,0.039004128519299484,0.03668958049688121],"twin_dists":[0.23587227829331744,0.2476476400064019,0.2782476095977749,0.28775283176327926,0.29142370350704677,0.292981300085196,0.29709366224469613,0.2974237465104425,0.30021732276933827,0.3096946201987937,0.3115302058235032,0.31167528284414525,0.3122810789039286,0.315465057090695,0.3166464259032524,0.3175682582472057,0.31789785996119047,0.31890861547733845,0.3212731771977099,0.3242322390404497,0.32630791939247716,0.3281539268458645,0.3290266410149047,0.33081496119633186,0.33391953000555497],"n_dims_used":45,"mean_confidence":0.8988767835828994},"coverage":{"mean_confidence":0.8988767835828994,"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}}