{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:CGJEPXFLFS5534EYZEXWG27ORO","short_pith_number":"pith:CGJEPXFL","schema_version":"1.0","canonical_sha256":"119247dcab2cbbddf098c92f636bee8b8a129289ec4686d95eb852c1a14aeac0","source":{"kind":"arxiv","id":"1512.00928","version":1},"attestation_state":"computed","paper":{"title":"Next Generation Muon g-2 Experiments","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.ins-det"],"primary_cat":"hep-ex","authors_text":"David W. Hertzog","submitted_at":"2015-12-03T02:21:54Z","abstract_excerpt":"I report on the progress of two new muon anomalous magnetic moment experiments, which are in advanced design and construction phases. The goal of Fermilab E989 is to reduce the experimental uncertainty of $a_\\mu$ from Brookhaven E821 by a factor of 4; that is, $\\delta a_\\mu \\sim 16 \\times 10^{-11}$, a relative uncertainty of 140~ppb. The method follows the same magic-momentum storage ring concept used at BNL, and pioneered previously at CERN, but muon beam preparation, storage ring internal hardware, field measuring equipment, and detector and electronics systems are all new or upgraded signif"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1512.00928","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2015-12-03T02:21:54Z","cross_cats_sorted":["physics.ins-det"],"title_canon_sha256":"3a6f44fb540cf109e7add78002e3ba2147eb170a0dfb3a5167d93f5b6bac73cd","abstract_canon_sha256":"aef814c683f66ea7abdb19f3ce0807c5f2bbd8781a6da0b77baa240784ce6ef0"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:12:07.290618Z","signature_b64":"mliyr43HRNXhcJif0mLjXCtFV2fbaZPUZpSegJO7/g8H2SNKkmXeoFUenqNwHGbwD7LD4PDyqQLwiUyjbGP3DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"119247dcab2cbbddf098c92f636bee8b8a129289ec4686d95eb852c1a14aeac0","last_reissued_at":"2026-05-18T01:12:07.290262Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:12:07.290262Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Next Generation Muon g-2 Experiments","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.ins-det"],"primary_cat":"hep-ex","authors_text":"David W. Hertzog","submitted_at":"2015-12-03T02:21:54Z","abstract_excerpt":"I report on the progress of two new muon anomalous magnetic moment experiments, which are in advanced design and construction phases. The goal of Fermilab E989 is to reduce the experimental uncertainty of $a_\\mu$ from Brookhaven E821 by a factor of 4; that is, $\\delta a_\\mu \\sim 16 \\times 10^{-11}$, a relative uncertainty of 140~ppb. The method follows the same magic-momentum storage ring concept used at BNL, and pioneered previously at CERN, but muon beam preparation, storage ring internal hardware, field measuring equipment, and detector and electronics systems are all new or upgraded signif"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.00928","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1512.00928","created_at":"2026-05-18T01:12:07.290324+00:00"},{"alias_kind":"arxiv_version","alias_value":"1512.00928v1","created_at":"2026-05-18T01:12:07.290324+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.00928","created_at":"2026-05-18T01:12:07.290324+00:00"},{"alias_kind":"pith_short_12","alias_value":"CGJEPXFLFS55","created_at":"2026-05-18T12:29:14.074870+00:00"},{"alias_kind":"pith_short_16","alias_value":"CGJEPXFLFS5534EY","created_at":"2026-05-18T12:29:14.074870+00:00"},{"alias_kind":"pith_short_8","alias_value":"CGJEPXFL","created_at":"2026-05-18T12:29:14.074870+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/CGJEPXFLFS5534EYZEXWG27ORO","json":"https://pith.science/pith/CGJEPXFLFS5534EYZEXWG27ORO.json","graph_json":"https://pith.science/api/pith-number/CGJEPXFLFS5534EYZEXWG27ORO/graph.json","events_json":"https://pith.science/api/pith-number/CGJEPXFLFS5534EYZEXWG27ORO/events.json","paper":"https://pith.science/paper/CGJEPXFL"},"agent_actions":{"view_html":"https://pith.science/pith/CGJEPXFLFS5534EYZEXWG27ORO","download_json":"https://pith.science/pith/CGJEPXFLFS5534EYZEXWG27ORO.json","view_paper":"https://pith.science/paper/CGJEPXFL","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1512.00928&json=true","fetch_graph":"https://pith.science/api/pith-number/CGJEPXFLFS5534EYZEXWG27ORO/graph.json","fetch_events":"https://pith.science/api/pith-number/CGJEPXFLFS5534EYZEXWG27ORO/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/CGJEPXFLFS5534EYZEXWG27ORO/action/timestamp_anchor","attest_storage":"https://pith.science/pith/CGJEPXFLFS5534EYZEXWG27ORO/action/storage_attestation","attest_author":"https://pith.science/pith/CGJEPXFLFS5534EYZEXWG27ORO/action/author_attestation","sign_citation":"https://pith.science/pith/CGJEPXFLFS5534EYZEXWG27ORO/action/citation_signature","submit_replication":"https://pith.science/pith/CGJEPXFLFS5534EYZEXWG27ORO/action/replication_record"}},"created_at":"2026-05-18T01:12:07.290324+00:00","updated_at":"2026-05-18T01:12:07.290324+00:00"}