{"id":"W4281488796","doi":"10.1007/s12520-022-01570-x","title":"The obsidian beads from Middle Chalcolithic Tel Tsaf (ca. 5,200–4,700 cal. BC), Jordan Valley, Israel: technology, provenance, and socio-economic significance","year":2022,"lang":"en","type":"article","venue":"Archaeological and Anthropological Sciences","topic":"Archaeology and ancient environmental studies","field":"Earth and Planetary Sciences","cited_by":6,"is_retracted":false,"has_abstract":false,"ca_institutions":"McMaster University; University of Toronto","funders":"Rust Family Foundation","keywords":"Chalcolithic; Provenance; Archaeology; Geography; Ancient history; Geology; Bronze Age; History; Geochemistry","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":["sts","insufficient_payload"],"consensus_categories":["sts"],"category_scores_codex":[0.0008150133,0.0002786159,0.000364359,0.00005807329,0.006781016,0.00003956339,0.0007220102,0.0001454614,0.002201366],"category_scores_gemma":[0.00009727693,0.0001530006,0.00007447729,0.0002748828,0.03543827,0.0001385235,0.0009568303,0.0005499097,0.00006723207],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00002867535,"about_ca_system_score_gemma":0.00004558299,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.005382197,"about_ca_topic_score_gemma":0.002758708,"domain_scores_codex":[0.9972622,0.0003054632,0.0003332207,0.0009317011,0.0003105766,0.000856774],"domain_scores_gemma":[0.9986501,0.000838543,0.0001458923,0.0001643527,0.000008116242,0.0001930225],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00005336953,0.0000547954,0.9351094,0.000003174454,0.00002047736,0.00004040734,0.0003454538,0.0001064422,0.0000220903,0.03844716,0.0001664803,0.02563074],"study_design_scores_gemma":[0.0003565604,0.002340475,0.680335,0.00001013477,0.00001686011,0.00006668677,0.02099049,0.001965637,0.00003796325,0.2662096,0.0272288,0.0004417344],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9551926,0.01297975,0.00003052842,0.02821666,0.000311838,0.0003223863,0.0001504032,0.00007580014,0.002720017],"genre_scores_gemma":[0.9903127,0.007766009,0.0006844735,0.0007292276,0.00008893088,0.00004356052,0.00001827974,0.000002949175,0.000353897],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.2547744,"threshold_uncertainty_score":0.9987108,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02241949164471239,"score_gpt":0.228613191531183,"score_spread":0.2061936998864707,"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."}}