{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001921},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001866","491:4910002015","491:4910002016","491:4910001812","490:4900006427","491:4910002210","491:4910001868","497:4970000327","491:4910001970","490:4900002217","491:4910001460","491:4910002115","491:4910001865","490:4900002518","490:4900002216","497:4970000272","490:4900002830","491:4910001918","490:4900005938","491:4910001391","491:4910002517","490:4900012360","491:4910002913","491:4910001752","497:4970002814"],"twin_admin_codes":[491,491,491,491,490,491,491,497,491,490,491,491,491,490,490,497,490,491,490,491,491,490,491,491,497],"twin_sims":[0.0033577981829374837,0.0018080802738359417,0.001515186400300313,0.0009073586874885873,0.0005469530924860183,0.00039623033573504254,0.00034619744920227766,0.00031915536017059816,0.00021929074892088006,0.00019059070984840765,0.00016125367861688668,0.00015997396900616567,0.00014974542507445218,0.0001330059090082415,0.00011826221951254454,0.00011655827481963491,0.00010341327527165045,0.00009960587141092734,0.00009580144100185241,0.0000813485691445922,0.00007357641866647517,0.00006732608504075277,0.0000635579761379238,0.00006279381416851458,0.00006242180254738782],"twin_dists":[0.4383709276900505,0.46157508331894775,0.4679886834384178,0.48611840931394135,0.5033754021808996,0.5140639864543538,0.5184742205988039,0.5211134316360647,0.533122101940225,0.5375417737474545,0.5427613719959477,0.5430089263322824,0.545057519143513,0.5487136993045407,0.5523134927407244,0.5527565348466206,0.5563959219621307,0.5575319615854465,0.5587088993069738,0.5636243708969331,0.5666215947636046,0.5692581987389488,0.570962222252557,0.571319448853013,0.5714948495464244],"n_dims_used":44,"mean_confidence":0.8948150981556285},"coverage":{"mean_confidence":0.8948150981556285,"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}}