{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800003787},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800003593","480:4800003356","480:4800003308","480:4800002932","494:4940003516","480:4800003580","480:4800003791","480:4800003085","480:4800003312","480:4800003315","480:4800003171","480:4800003096","480:4800003602","480:4800003007","480:4800003667","480:4800003406","480:4800003361","480:4800003415","480:4800003528","494:4940003055","494:4940003394","494:4940002616","480:4800003541","494:4940004114","480:4800003425"],"twin_admin_codes":[480,480,480,480,494,480,480,480,480,480,480,480,480,480,480,480,480,480,480,494,494,494,480,494,480],"twin_sims":[0.5784598018662038,0.5413878575147166,0.41641566977775735,0.3257979822191826,0.3014241431403722,0.2746751152361131,0.2703316649208263,0.26629754347228746,0.2659562597477567,0.26093850433183546,0.2541202772444944,0.2394576183218726,0.23880839829739023,0.23854728039347137,0.23583268174776517,0.22187049802376538,0.21983985401299524,0.218584102711027,0.21485920116178578,0.21124577861938632,0.20217096200048457,0.18622564073075043,0.1803468258645543,0.1492103610533437,0.14818572282618878],"twin_dists":[0.13588946058158885,0.14387600160435712,0.17191294229632645,0.19450652719911052,0.2011367063428803,0.20878439988156997,0.2100681740789823,0.21127198332049235,0.2113743426539996,0.21288884888354306,0.2149764171546755,0.2195899793187956,0.21979841964676808,0.2198823588426403,0.22075856618040107,0.22537332068382027,0.22606040961849697,0.22648743504025856,0.22776388759019733,0.22901648871173122,0.23222790165058685,0.23812027480976575,0.24038174613744132,0.2533317081002965,0.2537900952433681],"n_dims_used":43,"mean_confidence":0.9194846929505814},"coverage":{"mean_confidence":0.9194846929505814,"n_dims_used":43,"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}}