{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004920},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004638","490:4900007550","490:4900004918","490:4900004780","490:4900005060","490:4900005059","490:4900006208","490:4900004777","490:4900006084","490:4900004636","490:4900005837","490:4900005178","490:4900007433","490:4900005057","490:4900004919","490:4900005443","490:4900001104","490:4900004779","490:4900004637","490:4900003667","490:4900003380","490:4900005966","490:4900003947","490:4900004081","490:4900004778"],"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":[0.506207514364165,0.37826752104642375,0.3230057868000347,0.21223545463155022,0.1324825461015967,0.12873755277477986,0.08448399664421133,0.08330343137388521,0.07890924097578712,0.07621170288193314,0.06511935169485597,0.05900456374597756,0.05444875238908495,0.054375782959249344,0.049234041928672534,0.045417174033957015,0.043430233451017174,0.03866641722108961,0.03588799520568345,0.035787837877577326,0.031918132289195884,0.030691356953899056,0.02829025219490825,0.021425331176429023,0.02139216698632483],"twin_dists":[0.15154840020339375,0.18109492911283256,0.1952515125423658,0.22867198224679344,0.26112875696312743,0.2629744737515595,0.2887301854563992,0.2895511157595164,0.2926909337466517,0.2946886315025702,0.30355829898706865,0.3089888735129033,0.31334466030863256,0.3134168407557527,0.31871791846448033,0.322960272531483,0.3252882495309907,0.33125805305192785,0.33503350898060097,0.3351741812650967,0.34088433656261535,0.34281817847932733,0.3468032079583759,0.3600677985682322,0.36014035866322985],"n_dims_used":45,"mean_confidence":0.922989484998915},"coverage":{"mean_confidence":0.922989484998915,"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}}