{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:PSQDTDIMNJRMRRA7PQZXVLQRKF","short_pith_number":"pith:PSQDTDIM","canonical_record":{"source":{"id":"1509.02901","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-09-09T19:36:56Z","cross_cats_sorted":["hep-ph","physics.optics"],"title_canon_sha256":"abed7f6a6793f67ce27f6681aa827aa5f4b2adb8fcb367fcf6003f9e8fe00edd","abstract_canon_sha256":"10bbb9691c1fe4b272818380ae17162798ed6497826d3647fe7fbacea7177647"},"schema_version":"1.0"},"canonical_sha256":"7ca0398d0c6a62c8c41f7c337aae1151567de2ab5ff608a255afa55e7de94f18","source":{"kind":"arxiv","id":"1509.02901","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.02901","created_at":"2026-05-18T01:18:43Z"},{"alias_kind":"arxiv_version","alias_value":"1509.02901v1","created_at":"2026-05-18T01:18:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.02901","created_at":"2026-05-18T01:18:43Z"},{"alias_kind":"pith_short_12","alias_value":"PSQDTDIMNJRM","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_16","alias_value":"PSQDTDIMNJRMRRA7","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_8","alias_value":"PSQDTDIM","created_at":"2026-05-18T12:29:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:PSQDTDIMNJRMRRA7PQZXVLQRKF","target":"record","payload":{"canonical_record":{"source":{"id":"1509.02901","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-09-09T19:36:56Z","cross_cats_sorted":["hep-ph","physics.optics"],"title_canon_sha256":"abed7f6a6793f67ce27f6681aa827aa5f4b2adb8fcb367fcf6003f9e8fe00edd","abstract_canon_sha256":"10bbb9691c1fe4b272818380ae17162798ed6497826d3647fe7fbacea7177647"},"schema_version":"1.0"},"canonical_sha256":"7ca0398d0c6a62c8c41f7c337aae1151567de2ab5ff608a255afa55e7de94f18","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:18:43.179768Z","signature_b64":"Wc1dM/nIggNjCK3kAozCltZcfVDxA4msuKWxbMRFwDmO3aTfr6NEBO3g6at/UyeHbtjVDPtwM1WjKHDe3MjPAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7ca0398d0c6a62c8c41f7c337aae1151567de2ab5ff608a255afa55e7de94f18","last_reissued_at":"2026-05-18T01:18:43.179155Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:18:43.179155Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1509.02901","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":"2026-05-18T01:18:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/2TmntiEEF5pyOCs7aGcxFQSrqlnxjcIk9wSTVNPbjq45omAnECVZveUiRxiiAZ8zv6im+Du4Jn6/s3pud5ZCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T22:56:27.599682Z"},"content_sha256":"32545a578085d23f1233b4719633389af70383eb4a50da1ca0312c76d0ec7e29","schema_version":"1.0","event_id":"sha256:32545a578085d23f1233b4719633389af70383eb4a50da1ca0312c76d0ec7e29"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:PSQDTDIMNJRMRRA7PQZXVLQRKF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Assisted dynamical Schwinger effect: pair production in a pulsed bifrequent field","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph","physics.optics"],"primary_cat":"quant-ph","authors_text":"A.D. Panferov, A. Otto, B. Kaempfer, D. Blaschke, L. Juchnowski, S.A. Smolyansky","submitted_at":"2015-09-09T19:36:56Z","abstract_excerpt":"Electron-positron pair production by the superposition of two laser pulses with different frequencies and amplitudes is analyzed as a particular realization of the assisted dynamic Schwinger effect. It is demonstrated that, within a non-perturbative kinetic equation framework, an amplification effect is conceivable for certain parameters. When both pulses have wavelengths longer than the Compton wavelength, the residual net density of produced pairs is determined by the resultant field strength. The number of pairs starts to grow rapidly if the wavelength of the high-frequency laser component "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.02901","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":"2026-05-18T01:18:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MrEhadTyOhh4yMIn4byDKa9c34ICz6DUjQ6YBu87/J0l/R0ndYUsOsyg5pIbkXlkdud7E82lFdY7aGXhoTzwAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T22:56:27.600404Z"},"content_sha256":"b85675cc425d94dbb84a84928d2e5741d479bff6593f6948ec771bebbeadcae3","schema_version":"1.0","event_id":"sha256:b85675cc425d94dbb84a84928d2e5741d479bff6593f6948ec771bebbeadcae3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PSQDTDIMNJRMRRA7PQZXVLQRKF/bundle.json","state_url":"https://pith.science/pith/PSQDTDIMNJRMRRA7PQZXVLQRKF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PSQDTDIMNJRMRRA7PQZXVLQRKF/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":"2026-05-28T22:56:27Z","links":{"resolver":"https://pith.science/pith/PSQDTDIMNJRMRRA7PQZXVLQRKF","bundle":"https://pith.science/pith/PSQDTDIMNJRMRRA7PQZXVLQRKF/bundle.json","state":"https://pith.science/pith/PSQDTDIMNJRMRRA7PQZXVLQRKF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PSQDTDIMNJRMRRA7PQZXVLQRKF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:PSQDTDIMNJRMRRA7PQZXVLQRKF","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":"10bbb9691c1fe4b272818380ae17162798ed6497826d3647fe7fbacea7177647","cross_cats_sorted":["hep-ph","physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-09-09T19:36:56Z","title_canon_sha256":"abed7f6a6793f67ce27f6681aa827aa5f4b2adb8fcb367fcf6003f9e8fe00edd"},"schema_version":"1.0","source":{"id":"1509.02901","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.02901","created_at":"2026-05-18T01:18:43Z"},{"alias_kind":"arxiv_version","alias_value":"1509.02901v1","created_at":"2026-05-18T01:18:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.02901","created_at":"2026-05-18T01:18:43Z"},{"alias_kind":"pith_short_12","alias_value":"PSQDTDIMNJRM","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_16","alias_value":"PSQDTDIMNJRMRRA7","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_8","alias_value":"PSQDTDIM","created_at":"2026-05-18T12:29:37Z"}],"graph_snapshots":[{"event_id":"sha256:b85675cc425d94dbb84a84928d2e5741d479bff6593f6948ec771bebbeadcae3","target":"graph","created_at":"2026-05-18T01:18:43Z","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":"Electron-positron pair production by the superposition of two laser pulses with different frequencies and amplitudes is analyzed as a particular realization of the assisted dynamic Schwinger effect. It is demonstrated that, within a non-perturbative kinetic equation framework, an amplification effect is conceivable for certain parameters. When both pulses have wavelengths longer than the Compton wavelength, the residual net density of produced pairs is determined by the resultant field strength. The number of pairs starts to grow rapidly if the wavelength of the high-frequency laser component ","authors_text":"A.D. Panferov, A. Otto, B. Kaempfer, D. Blaschke, L. Juchnowski, S.A. Smolyansky","cross_cats":["hep-ph","physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-09-09T19:36:56Z","title":"Assisted dynamical Schwinger effect: pair production in a pulsed bifrequent field"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.02901","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":"sha256:32545a578085d23f1233b4719633389af70383eb4a50da1ca0312c76d0ec7e29","target":"record","created_at":"2026-05-18T01:18:43Z","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":"10bbb9691c1fe4b272818380ae17162798ed6497826d3647fe7fbacea7177647","cross_cats_sorted":["hep-ph","physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-09-09T19:36:56Z","title_canon_sha256":"abed7f6a6793f67ce27f6681aa827aa5f4b2adb8fcb367fcf6003f9e8fe00edd"},"schema_version":"1.0","source":{"id":"1509.02901","kind":"arxiv","version":1}},"canonical_sha256":"7ca0398d0c6a62c8c41f7c337aae1151567de2ab5ff608a255afa55e7de94f18","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7ca0398d0c6a62c8c41f7c337aae1151567de2ab5ff608a255afa55e7de94f18","first_computed_at":"2026-05-18T01:18:43.179155Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:18:43.179155Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Wc1dM/nIggNjCK3kAozCltZcfVDxA4msuKWxbMRFwDmO3aTfr6NEBO3g6at/UyeHbtjVDPtwM1WjKHDe3MjPAw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:18:43.179768Z","signed_message":"canonical_sha256_bytes"},"source_id":"1509.02901","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:32545a578085d23f1233b4719633389af70383eb4a50da1ca0312c76d0ec7e29","sha256:b85675cc425d94dbb84a84928d2e5741d479bff6593f6948ec771bebbeadcae3"],"state_sha256":"94a17635e6bc6f29fe887d2106b139ab3f86004d6565ca78ee195b670dbf7901"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pDBnCAq+YuMLzM1OiNgDepn/ga6Z0SNkv1z5GkCALllfuVuR1qI7oBczyXt4nqdA8Ak9P0wpmqQYcTwo+mB/Bw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T22:56:27.604029Z","bundle_sha256":"952264daa36637ce7e83259e7c50820ca5dbbea65d29628df8a66310e1a99a09"}}