{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800004817},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800004730","480:4800004387","480:4800004986","480:4800004304","480:4800004057","480:4800004216","480:4800004731","480:4800004729","480:4800004819","480:4800005583","480:4800004821","480:4800004474","480:4800004901","480:4800004822","480:4800004299","480:4800004305","480:4800004392","480:4800004906","480:4800005334","480:4800004481","480:4800004818","480:4800005166","480:4800004820","480:4800004303","480:4800004654"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.9418295262235818,0.8933043841811276,0.8739998670304941,0.8520416594899747,0.8140975223963769,0.8118788006604233,0.8056419476386358,0.8042175600640779,0.786869185101537,0.7720787354511285,0.7653751938292073,0.7595511894984526,0.7304189915078712,0.7132502166246223,0.6831186333662277,0.6784888757540949,0.6606303426849574,0.5924129924281116,0.5869364246836735,0.5846000451534974,0.56180464026478,0.5518825596410334,0.5411772466690566,0.5258672935318025,0.5103243946353442],"twin_dists":[0.044963962078688226,0.06169459211192895,0.06740349645632093,0.07349561714952499,0.0832970684337642,0.08384788033761809,0.08538511596579193,0.08573397464564865,0.08992216585776769,0.09341375331471771,0.09497530712745524,0.09632232393306747,0.10294336358407147,0.10676962330372872,0.11338373596129708,0.11439092332446482,0.118258666952811,0.13289800163710203,0.1340715877969565,0.13457245042982297,0.1394686441842066,0.14160727127669306,0.14392161025371975,0.14724655862722952,0.15064418151213463],"n_dims_used":42,"mean_confidence":0.9180694761730376},"coverage":{"mean_confidence":0.9180694761730376,"n_dims_used":42,"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}}