{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:QPMFUWMVGTD7HAEQOOM545NGY4","short_pith_number":"pith:QPMFUWMV","schema_version":"1.0","canonical_sha256":"83d85a599534c7f380907399de75a6c71ef489e63f099c099ee2faef5904a66f","source":{"kind":"arxiv","id":"1506.09186","version":1},"attestation_state":"computed","paper":{"title":"Nonperturbative pair production in interpolating fields","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"hep-th","authors_text":"Anton Ilderton, Greger Torgrimsson, Jonatan W{\\aa}rdh","submitted_at":"2015-06-30T18:12:26Z","abstract_excerpt":"We compare the effects of timelike, lightlike and spacelike one-dimensional inhomogeneities on the probability of nonperturbative pair production in strong fields. Using interpolating coordinates we give a unifying picture in which the effect of the inhomogeneity is encoded in branch cuts and poles circulated by complex worldline instantons. For spacelike inhomogeneities the length of the cut is related to the existence of critical points, while for lightlike inhomogeneities the cut contracts to a pole and the instantons become contractable to points, leading to simplifications particular to t"},"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":"1506.09186","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2015-06-30T18:12:26Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"d2105eda3dfecff098273ad9c3dc50f74072a659f37144581eead1fb3c260b26","abstract_canon_sha256":"07756b6191098e68b5a1895577ebb5af9b1b9087bee356b6761048cb6dd389eb"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:33:42.693125Z","signature_b64":"+jYvURWZ5DCGms1mlzdNMXUy5Axo9Bm9BS//OFKpx8YvIKgf9N/bwqEFVFvv/Fn3vPkoxzjJrrr6QBllC0W6BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"83d85a599534c7f380907399de75a6c71ef489e63f099c099ee2faef5904a66f","last_reissued_at":"2026-05-18T01:33:42.692519Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:33:42.692519Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Nonperturbative pair production in interpolating fields","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"hep-th","authors_text":"Anton Ilderton, Greger Torgrimsson, Jonatan W{\\aa}rdh","submitted_at":"2015-06-30T18:12:26Z","abstract_excerpt":"We compare the effects of timelike, lightlike and spacelike one-dimensional inhomogeneities on the probability of nonperturbative pair production in strong fields. Using interpolating coordinates we give a unifying picture in which the effect of the inhomogeneity is encoded in branch cuts and poles circulated by complex worldline instantons. For spacelike inhomogeneities the length of the cut is related to the existence of critical points, while for lightlike inhomogeneities the cut contracts to a pole and the instantons become contractable to points, leading to simplifications particular to t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.09186","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":"1506.09186","created_at":"2026-05-18T01:33:42.692618+00:00"},{"alias_kind":"arxiv_version","alias_value":"1506.09186v1","created_at":"2026-05-18T01:33:42.692618+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.09186","created_at":"2026-05-18T01:33:42.692618+00:00"},{"alias_kind":"pith_short_12","alias_value":"QPMFUWMVGTD7","created_at":"2026-05-18T12:29:37.295048+00:00"},{"alias_kind":"pith_short_16","alias_value":"QPMFUWMVGTD7HAEQ","created_at":"2026-05-18T12:29:37.295048+00:00"},{"alias_kind":"pith_short_8","alias_value":"QPMFUWMV","created_at":"2026-05-18T12:29:37.295048+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/QPMFUWMVGTD7HAEQOOM545NGY4","json":"https://pith.science/pith/QPMFUWMVGTD7HAEQOOM545NGY4.json","graph_json":"https://pith.science/api/pith-number/QPMFUWMVGTD7HAEQOOM545NGY4/graph.json","events_json":"https://pith.science/api/pith-number/QPMFUWMVGTD7HAEQOOM545NGY4/events.json","paper":"https://pith.science/paper/QPMFUWMV"},"agent_actions":{"view_html":"https://pith.science/pith/QPMFUWMVGTD7HAEQOOM545NGY4","download_json":"https://pith.science/pith/QPMFUWMVGTD7HAEQOOM545NGY4.json","view_paper":"https://pith.science/paper/QPMFUWMV","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1506.09186&json=true","fetch_graph":"https://pith.science/api/pith-number/QPMFUWMVGTD7HAEQOOM545NGY4/graph.json","fetch_events":"https://pith.science/api/pith-number/QPMFUWMVGTD7HAEQOOM545NGY4/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/QPMFUWMVGTD7HAEQOOM545NGY4/action/timestamp_anchor","attest_storage":"https://pith.science/pith/QPMFUWMVGTD7HAEQOOM545NGY4/action/storage_attestation","attest_author":"https://pith.science/pith/QPMFUWMVGTD7HAEQOOM545NGY4/action/author_attestation","sign_citation":"https://pith.science/pith/QPMFUWMVGTD7HAEQOOM545NGY4/action/citation_signature","submit_replication":"https://pith.science/pith/QPMFUWMVGTD7HAEQOOM545NGY4/action/replication_record"}},"created_at":"2026-05-18T01:33:42.692618+00:00","updated_at":"2026-05-18T01:33:42.692618+00:00"}