{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001054},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001119","491:4910000999","491:4910001120","491:4910001055","491:4910001184","491:4910001185","491:4910001394","491:4910001328","491:4910001512","491:4910001318","491:4910001133","491:4910002615","491:4910000990","491:4910001250","491:4910001447","491:4910001004","491:4910001132","491:4910001572","491:4910001134","491:4910001384","491:4910001513","491:4910001316","491:4910000989","490:4900006684","491:4910002813"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,490,491],"twin_sims":[0.6490284329602287,0.2613309442637054,0.14731855752133702,0.1286908747913569,0.12228614292233082,0.10972244966485366,0.0878711057291486,0.06680864031100585,0.06555551947331228,0.053998242112089145,0.04962709982003731,0.04943475463566891,0.04864326861570546,0.04640389030027582,0.04012103805591646,0.03864065277166065,0.036895066857467775,0.034031154778564665,0.02889447802321236,0.02686614300172027,0.02591357662569853,0.024155956187153285,0.023996031638650748,0.021713448902959114,0.02086891940860925],"twin_dists":[0.1207593561564819,0.21276974527241477,0.25417986578881596,0.2629977332568663,0.26625166628320657,0.27303319741238213,0.2864245857242433,0.3021318777585432,0.303187136328044,0.31379158614502084,0.3182968124982081,0.3185025343779154,0.31935615358902725,0.3218357918756699,0.329372272027751,0.3312919913973101,0.3336372914363676,0.3376975858665887,0.3457738297567395,0.3493062841982075,0.35104515369203987,0.3544038604744573,0.35471986127257055,0.3594415022644295,0.3612983278927409],"n_dims_used":45,"mean_confidence":0.8959187825520833},"coverage":{"mean_confidence":0.8959187825520833,"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}}