{"id":"W1900162227","doi":"10.1017/s0033822200034639","title":"High-Precision Radiocarbon Measurements of Tree-Ring Dated Wood from New Zealand: 195 Bc–Ad 995","year":2011,"lang":"en","type":"article","venue":"Radiocarbon","topic":"Archaeology and ancient environmental studies","field":"Earth and Planetary Sciences","cited_by":29,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"Marsden Fund; Queen's University; University of Waikato; Queen's University Belfast; University of Auckland; Lamont-Doherty Earth Observatory, Columbia University; Australian Nuclear Science and Technology Organisation","keywords":"Radiocarbon dating; Offset (computer science); Geology; Southern Hemisphere; Accelerator mass spectrometry; Northern Hemisphere; Physical geography; Geodesy; Paleontology; Geography; Climatology","routes":{"ca_aff":false,"ca_fund":true,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":["insufficient_payload"],"consensus_categories":[],"category_scores_codex":[0.0002604352,0.0002362285,0.0003746939,0.00008620628,0.0001221745,0.000006164108,0.000337579,0.0001209484,0.001277189],"category_scores_gemma":[0.00003038162,0.0001971888,0.00008705955,0.0001631867,0.0002161425,0.0001518351,0.00005676732,0.0001686093,0.0001287569],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00001551724,"about_ca_system_score_gemma":0.00002336124,"about_ca_topic_candidate":true,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.02572727,"about_ca_topic_score_gemma":0.003890602,"domain_scores_codex":[0.9983109,0.0001104154,0.0003530225,0.0004272808,0.0004110153,0.0003873796],"domain_scores_gemma":[0.9992617,0.00007893249,0.0001630063,0.0003080735,0.000009174963,0.0001790736],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0002367076,0.00005092432,0.9386169,0.00000458435,0.0001360099,0.00001578182,0.001519991,0.0001328215,0.002038992,0.000006047983,0.0003616691,0.05687952],"study_design_scores_gemma":[0.001048666,0.0002790031,0.9788351,0.00005016807,0.00007108602,0.000002637252,0.00008690186,0.0004371521,0.01665576,0.001844601,0.0004469143,0.0002419764],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.989853,0.003176717,0.0000817835,0.00006259108,0.0005958723,0.0001720874,0.00003507987,0.00005055762,0.005972336],"genre_scores_gemma":[0.9955787,0.000381747,0.003132325,0.00006282624,0.0001057655,0.000001187643,0.0001354385,0.000008337487,0.0005936843],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.05663755,"threshold_uncertainty_score":0.9996358,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03505487383128399,"score_gpt":0.1998324576911404,"score_spread":0.1647775838598564,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}