{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002480},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003897","490:4900003216","490:4900002922","490:4900003214","490:4900003356","490:4900003888","490:4900002608","490:4900002495","493:4930004598","493:4930004880","490:4900001333","490:4900001863","490:4900002020","490:4900004302","490:4900003225","490:4900002491","490:4900002482","490:4900002164","490:4900002328","490:4900003623","490:4900002017","490:4900002776","490:4900004573","490:4900001202","490:4900003330"],"twin_admin_codes":[490,490,490,490,490,490,490,490,493,493,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.5896977839491956,0.5826595998019974,0.5328468132007191,0.5047575949545747,0.4808660422539515,0.46818528706924917,0.4544882355243798,0.4467021882351954,0.4462906551243033,0.44055672798552314,0.43189314500090514,0.4252955419632308,0.4239249715499021,0.39948347238280857,0.3950633959948902,0.3914333161560159,0.38521842150640984,0.3779759838866356,0.37292203848371097,0.3643500033754333,0.3598137269524096,0.3549197268057103,0.3451804535462649,0.3438913949517024,0.34079048015414803],"twin_dists":[0.1334797771782347,0.1349885382356341,0.14572835376554588,0.15186731715451662,0.15716063852947057,0.16000317026514174,0.16310325119489916,0.16488057489058466,0.1649748378139097,0.16629169734438246,0.16829419212905156,0.16983004533140184,0.17015032921710746,0.17593874763195466,0.17700220568408706,0.17787970375776768,0.17939092168358986,0.18116672798073521,0.18241572359483768,0.18455345843833224,0.18569497672737575,0.1869347914598681,0.1894287801615336,0.18976163815188996,0.19056508068402894],"n_dims_used":45,"mean_confidence":0.9130061679416233},"coverage":{"mean_confidence":0.9130061679416233,"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}}