{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2008:X24SR6EAJZ4XSOC2USB7KA3ZQE","short_pith_number":"pith:X24SR6EA","schema_version":"1.0","canonical_sha256":"beb928f8804e7979385aa483f503798105223194818aa1cfebe70c57cf57a4b7","source":{"kind":"arxiv","id":"0812.3163","version":2},"attestation_state":"computed","paper":{"title":"New Strong-Field QED Effects at ELI: Nonperturbative Vacuum Pair Production","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph","math-ph","math.MP"],"primary_cat":"hep-th","authors_text":"Gerald V. Dunne","submitted_at":"2008-12-16T23:07:31Z","abstract_excerpt":"Since the work of Sauter, and Heisenberg, Euler and K\\\"ockel, it has been understood that vacuum polarization effects in quantum electrodynamics (QED) predict remarkable new phenomena such as light-light scattering and pair production from vacuum. However, these fundamental effects are difficult to probe experimentally because they are very weak, and they are difficult to analyze theoretically because they are highly nonlinear and/or nonperturbative. The Extreme Light Infrastructure (ELI) project offers the possibility of a new window into this largely unexplored world. I review these ideas, a"},"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":"0812.3163","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2008-12-16T23:07:31Z","cross_cats_sorted":["hep-ph","math-ph","math.MP"],"title_canon_sha256":"3985a46006aaa4f65abdbcf1f6d9c9f7ee3e79d4123d0f44fce332efe2d12182","abstract_canon_sha256":"8cbd05f6eb4b11e244cce68571dc05d485cc670646e146cac7d75bcc30a274a6"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:36:40.786511Z","signature_b64":"nHLl6nZMeJPXd505Sf9JsAukSoP+NE358UjNpbXKN71jbkjyZVjayF17cvD9TKpAWGWfqlzXwoPGNtkddFywAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"beb928f8804e7979385aa483f503798105223194818aa1cfebe70c57cf57a4b7","last_reissued_at":"2026-05-18T04:36:40.786038Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:36:40.786038Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"New Strong-Field QED Effects at ELI: Nonperturbative Vacuum Pair Production","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph","math-ph","math.MP"],"primary_cat":"hep-th","authors_text":"Gerald V. Dunne","submitted_at":"2008-12-16T23:07:31Z","abstract_excerpt":"Since the work of Sauter, and Heisenberg, Euler and K\\\"ockel, it has been understood that vacuum polarization effects in quantum electrodynamics (QED) predict remarkable new phenomena such as light-light scattering and pair production from vacuum. However, these fundamental effects are difficult to probe experimentally because they are very weak, and they are difficult to analyze theoretically because they are highly nonlinear and/or nonperturbative. The Extreme Light Infrastructure (ELI) project offers the possibility of a new window into this largely unexplored world. I review these ideas, a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0812.3163","kind":"arxiv","version":2},"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":"0812.3163","created_at":"2026-05-18T04:36:40.786118+00:00"},{"alias_kind":"arxiv_version","alias_value":"0812.3163v2","created_at":"2026-05-18T04:36:40.786118+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0812.3163","created_at":"2026-05-18T04:36:40.786118+00:00"},{"alias_kind":"pith_short_12","alias_value":"X24SR6EAJZ4X","created_at":"2026-05-18T12:25:58.018023+00:00"},{"alias_kind":"pith_short_16","alias_value":"X24SR6EAJZ4XSOC2","created_at":"2026-05-18T12:25:58.018023+00:00"},{"alias_kind":"pith_short_8","alias_value":"X24SR6EA","created_at":"2026-05-18T12:25:58.018023+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2508.14973","citing_title":"Classical constant electric fields and the Schwinger effect in de Sitter","ref_index":6,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/X24SR6EAJZ4XSOC2USB7KA3ZQE","json":"https://pith.science/pith/X24SR6EAJZ4XSOC2USB7KA3ZQE.json","graph_json":"https://pith.science/api/pith-number/X24SR6EAJZ4XSOC2USB7KA3ZQE/graph.json","events_json":"https://pith.science/api/pith-number/X24SR6EAJZ4XSOC2USB7KA3ZQE/events.json","paper":"https://pith.science/paper/X24SR6EA"},"agent_actions":{"view_html":"https://pith.science/pith/X24SR6EAJZ4XSOC2USB7KA3ZQE","download_json":"https://pith.science/pith/X24SR6EAJZ4XSOC2USB7KA3ZQE.json","view_paper":"https://pith.science/paper/X24SR6EA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0812.3163&json=true","fetch_graph":"https://pith.science/api/pith-number/X24SR6EAJZ4XSOC2USB7KA3ZQE/graph.json","fetch_events":"https://pith.science/api/pith-number/X24SR6EAJZ4XSOC2USB7KA3ZQE/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/X24SR6EAJZ4XSOC2USB7KA3ZQE/action/timestamp_anchor","attest_storage":"https://pith.science/pith/X24SR6EAJZ4XSOC2USB7KA3ZQE/action/storage_attestation","attest_author":"https://pith.science/pith/X24SR6EAJZ4XSOC2USB7KA3ZQE/action/author_attestation","sign_citation":"https://pith.science/pith/X24SR6EAJZ4XSOC2USB7KA3ZQE/action/citation_signature","submit_replication":"https://pith.science/pith/X24SR6EAJZ4XSOC2USB7KA3ZQE/action/replication_record"}},"created_at":"2026-05-18T04:36:40.786118+00:00","updated_at":"2026-05-18T04:36:40.786118+00:00"}