{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:CFGXUZ66ZOM2E3ULALMIDZRNU3","short_pith_number":"pith:CFGXUZ66","canonical_record":{"source":{"id":"1604.00196","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-04-01T10:46:29Z","cross_cats_sorted":["physics.plasm-ph"],"title_canon_sha256":"1c7f6b0971fbdb20ad756021037f85ee9e98f6dd27af3ea6803973a9f3e3c3cc","abstract_canon_sha256":"c08e456c79c414b4e6841613ed92afc40d7eee09616029074399fb288e0ecb4b"},"schema_version":"1.0"},"canonical_sha256":"114d7a67decb99a26e8b02d881e62da6d37fe463eead966a9f711ccbcc6a68ba","source":{"kind":"arxiv","id":"1604.00196","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1604.00196","created_at":"2026-05-18T01:12:19Z"},{"alias_kind":"arxiv_version","alias_value":"1604.00196v1","created_at":"2026-05-18T01:12:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.00196","created_at":"2026-05-18T01:12:19Z"},{"alias_kind":"pith_short_12","alias_value":"CFGXUZ66ZOM2","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_16","alias_value":"CFGXUZ66ZOM2E3UL","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_8","alias_value":"CFGXUZ66","created_at":"2026-05-18T12:30:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:CFGXUZ66ZOM2E3ULALMIDZRNU3","target":"record","payload":{"canonical_record":{"source":{"id":"1604.00196","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-04-01T10:46:29Z","cross_cats_sorted":["physics.plasm-ph"],"title_canon_sha256":"1c7f6b0971fbdb20ad756021037f85ee9e98f6dd27af3ea6803973a9f3e3c3cc","abstract_canon_sha256":"c08e456c79c414b4e6841613ed92afc40d7eee09616029074399fb288e0ecb4b"},"schema_version":"1.0"},"canonical_sha256":"114d7a67decb99a26e8b02d881e62da6d37fe463eead966a9f711ccbcc6a68ba","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:12:19.729950Z","signature_b64":"AA+Te8uGgTG7fegrFVBVoOuq376QTsiFacrhs9DJyULBj6dSMZUBWITB6nVX7yfmcdvBj/WdjOyB+bov23YzBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"114d7a67decb99a26e8b02d881e62da6d37fe463eead966a9f711ccbcc6a68ba","last_reissued_at":"2026-05-18T01:12:19.729579Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:12:19.729579Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1604.00196","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:12:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1S/6GgpggxidANrwr4ryOFZzBkiPeAcNUtp4/Ib0V9+ITjALfx/zPYr4nvbgd8PTGLnaqad+puLrqVZMoqepBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T19:53:16.969287Z"},"content_sha256":"255bd3dd2bb198b3c317646636e8b195629cdcdd3b7e54d5d6718277a29cbd8c","schema_version":"1.0","event_id":"sha256:255bd3dd2bb198b3c317646636e8b195629cdcdd3b7e54d5d6718277a29cbd8c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:CFGXUZ66ZOM2E3ULALMIDZRNU3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Pair production by Schwinger and Breit-Wheeler processes in bi-frequent fields","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.plasm-ph"],"primary_cat":"hep-ph","authors_text":"A. D. Panferov, A. I. Titov, A. Otto, D. Blaschke, D. Seipt B. K\\\"ampfer, S. A. Smolyansky, T. Nousch","submitted_at":"2016-04-01T10:46:29Z","abstract_excerpt":"Counter-propagating and suitably polarized light (laser) beams can provide conditions for pair production. Here, we consider in more detail the following two situations: (i) In the homogeneity regions of anti-nodes of linearly polarized ultra-high intensity laser beams, the Schwinger process is dynamically assisted by a second high-frequency field, e.g. by a XFEL beam. (ii) A high-energy probe photon beam colliding with a superposition of co-propagating intense laser and XFEL beams gives rise to the laser assisted Breit-Wheeler process. Prospects of such bi-frequent field constellations with r"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.00196","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:12:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3gbzhdkPOdINanTUYnt73Qkdbl53tMqJzAP2Tvqj4lhtj5YfxNZNO+h5QiG7ptiRBWp12Niqw3mSycAjJRcRDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T19:53:16.969931Z"},"content_sha256":"0f87888d4ca53ece947b0ed592763570a7b5b05af2ca749b76fb58e1a5e94ce6","schema_version":"1.0","event_id":"sha256:0f87888d4ca53ece947b0ed592763570a7b5b05af2ca749b76fb58e1a5e94ce6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CFGXUZ66ZOM2E3ULALMIDZRNU3/bundle.json","state_url":"https://pith.science/pith/CFGXUZ66ZOM2E3ULALMIDZRNU3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CFGXUZ66ZOM2E3ULALMIDZRNU3/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-29T19:53:16Z","links":{"resolver":"https://pith.science/pith/CFGXUZ66ZOM2E3ULALMIDZRNU3","bundle":"https://pith.science/pith/CFGXUZ66ZOM2E3ULALMIDZRNU3/bundle.json","state":"https://pith.science/pith/CFGXUZ66ZOM2E3ULALMIDZRNU3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CFGXUZ66ZOM2E3ULALMIDZRNU3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:CFGXUZ66ZOM2E3ULALMIDZRNU3","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"c08e456c79c414b4e6841613ed92afc40d7eee09616029074399fb288e0ecb4b","cross_cats_sorted":["physics.plasm-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-04-01T10:46:29Z","title_canon_sha256":"1c7f6b0971fbdb20ad756021037f85ee9e98f6dd27af3ea6803973a9f3e3c3cc"},"schema_version":"1.0","source":{"id":"1604.00196","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1604.00196","created_at":"2026-05-18T01:12:19Z"},{"alias_kind":"arxiv_version","alias_value":"1604.00196v1","created_at":"2026-05-18T01:12:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.00196","created_at":"2026-05-18T01:12:19Z"},{"alias_kind":"pith_short_12","alias_value":"CFGXUZ66ZOM2","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_16","alias_value":"CFGXUZ66ZOM2E3UL","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_8","alias_value":"CFGXUZ66","created_at":"2026-05-18T12:30:09Z"}],"graph_snapshots":[{"event_id":"sha256:0f87888d4ca53ece947b0ed592763570a7b5b05af2ca749b76fb58e1a5e94ce6","target":"graph","created_at":"2026-05-18T01:12:19Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"Counter-propagating and suitably polarized light (laser) beams can provide conditions for pair production. Here, we consider in more detail the following two situations: (i) In the homogeneity regions of anti-nodes of linearly polarized ultra-high intensity laser beams, the Schwinger process is dynamically assisted by a second high-frequency field, e.g. by a XFEL beam. (ii) A high-energy probe photon beam colliding with a superposition of co-propagating intense laser and XFEL beams gives rise to the laser assisted Breit-Wheeler process. Prospects of such bi-frequent field constellations with r","authors_text":"A. D. Panferov, A. I. Titov, A. Otto, D. Blaschke, D. Seipt B. K\\\"ampfer, S. A. Smolyansky, T. Nousch","cross_cats":["physics.plasm-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-04-01T10:46:29Z","title":"Pair production by Schwinger and Breit-Wheeler processes in bi-frequent fields"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.00196","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:255bd3dd2bb198b3c317646636e8b195629cdcdd3b7e54d5d6718277a29cbd8c","target":"record","created_at":"2026-05-18T01:12:19Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"c08e456c79c414b4e6841613ed92afc40d7eee09616029074399fb288e0ecb4b","cross_cats_sorted":["physics.plasm-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-04-01T10:46:29Z","title_canon_sha256":"1c7f6b0971fbdb20ad756021037f85ee9e98f6dd27af3ea6803973a9f3e3c3cc"},"schema_version":"1.0","source":{"id":"1604.00196","kind":"arxiv","version":1}},"canonical_sha256":"114d7a67decb99a26e8b02d881e62da6d37fe463eead966a9f711ccbcc6a68ba","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"114d7a67decb99a26e8b02d881e62da6d37fe463eead966a9f711ccbcc6a68ba","first_computed_at":"2026-05-18T01:12:19.729579Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:12:19.729579Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"AA+Te8uGgTG7fegrFVBVoOuq376QTsiFacrhs9DJyULBj6dSMZUBWITB6nVX7yfmcdvBj/WdjOyB+bov23YzBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:12:19.729950Z","signed_message":"canonical_sha256_bytes"},"source_id":"1604.00196","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:255bd3dd2bb198b3c317646636e8b195629cdcdd3b7e54d5d6718277a29cbd8c","sha256:0f87888d4ca53ece947b0ed592763570a7b5b05af2ca749b76fb58e1a5e94ce6"],"state_sha256":"64ce16030b9b04e995bd60763b36b2670ea7592f8b040886b2723fd076af6eec"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"j3bPB9W9NsqtVr9CXov78X7mhz16gEg0gBbfAQe09pTsuLmv3FRW9n/mofcWtG87SaVSIkP35TtRqSYDWh+5BQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-29T19:53:16.973576Z","bundle_sha256":"76c2839fd20190cd9d34d88bbd887a1646d68bfb72b1df92dbad6616d0f7dbd3"}}