{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:Y2A7HESRO7EHY6ZN3PQG3IWAE5","short_pith_number":"pith:Y2A7HESR","canonical_record":{"source":{"id":"2305.06506","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2023-05-11T01:08:12Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"2e648b99929ad244ea9c0758a53d567b5dadf9eba5aef169b9fe014cda144210","abstract_canon_sha256":"05a65b560973ec70b1d48c2cd1b21e436c81e0bc5c17a97a462173f8c5333fc0"},"schema_version":"1.0"},"canonical_sha256":"c681f3925177c87c7b2ddbe06da2c027669ca118c70b5bd11f9e499f9add84c0","source":{"kind":"arxiv","id":"2305.06506","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2305.06506","created_at":"2026-07-05T07:32:18Z"},{"alias_kind":"arxiv_version","alias_value":"2305.06506v1","created_at":"2026-07-05T07:32:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2305.06506","created_at":"2026-07-05T07:32:18Z"},{"alias_kind":"pith_short_12","alias_value":"Y2A7HESRO7EH","created_at":"2026-07-05T07:32:18Z"},{"alias_kind":"pith_short_16","alias_value":"Y2A7HESRO7EHY6ZN","created_at":"2026-07-05T07:32:18Z"},{"alias_kind":"pith_short_8","alias_value":"Y2A7HESR","created_at":"2026-07-05T07:32:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:Y2A7HESRO7EHY6ZN3PQG3IWAE5","target":"record","payload":{"canonical_record":{"source":{"id":"2305.06506","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2023-05-11T01:08:12Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"2e648b99929ad244ea9c0758a53d567b5dadf9eba5aef169b9fe014cda144210","abstract_canon_sha256":"05a65b560973ec70b1d48c2cd1b21e436c81e0bc5c17a97a462173f8c5333fc0"},"schema_version":"1.0"},"canonical_sha256":"c681f3925177c87c7b2ddbe06da2c027669ca118c70b5bd11f9e499f9add84c0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:32:18.309939Z","signature_b64":"6BOXPX721ElwHdqR6QJD1sSXwn58wllvg4qQX+N7M5KNLqxtGWy5ZjgUP5Gf1v4tWKp7e10AOb1zMnDN+IfjBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c681f3925177c87c7b2ddbe06da2c027669ca118c70b5bd11f9e499f9add84c0","last_reissued_at":"2026-07-05T07:32:18.309381Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:32:18.309381Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2305.06506","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":"2026-07-05T07:32:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oDfz75n1PnOCxO2W7GpRVrhxtAROQ03dHIyPXWFMdo35FM5NCZf0PRpyYUpQchALHijwMduSHnhTEpAioMr0Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T09:07:44.959231Z"},"content_sha256":"07696e443d80b24b150546a6baa9a9513ac3e306e6558e3565a20a9f495204f9","schema_version":"1.0","event_id":"sha256:07696e443d80b24b150546a6baa9a9513ac3e306e6558e3565a20a9f495204f9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:Y2A7HESRO7EHY6ZN3PQG3IWAE5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Far-field model of two-color laser driven terahertz radiation including field element interference and plasma response","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"physics.plasm-ph","authors_text":"Nan Li, Wei-Min Wang","submitted_at":"2023-05-11T01:08:12Z","abstract_excerpt":"The two-color laser field scheme for broad-band terahertz (THz) radiation from air has been intensively and broadly investigated due to the simplicity in technology and relative high yield efficiency. Experiments showed that the detected THz angular distribution is usually conical with a dip in the laser propagation axis which is unfavorable for its application, and the formation of an oscillating tail in the THz waveform has not yet been well understood. Here, we develop an electric field element interference model in which each local current source has a phase velocity determined by the lase"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2305.06506","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2305.06506/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T07:32:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RYG65z6z5WrmJ+8QFPPd3G9MKFKhkK/aYEcUiqlClZnTjQNWgnRhJxqb/v0tm8V6qqPOSvAWBJLGpXMckmNgAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T09:07:44.959886Z"},"content_sha256":"6230d4389cc509ab4de7b7f5d9a3720787e174a8a107900a92dc317b20c6b0ae","schema_version":"1.0","event_id":"sha256:6230d4389cc509ab4de7b7f5d9a3720787e174a8a107900a92dc317b20c6b0ae"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Y2A7HESRO7EHY6ZN3PQG3IWAE5/bundle.json","state_url":"https://pith.science/pith/Y2A7HESRO7EHY6ZN3PQG3IWAE5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Y2A7HESRO7EHY6ZN3PQG3IWAE5/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":"2026-08-06T09:07:44Z","links":{"resolver":"https://pith.science/pith/Y2A7HESRO7EHY6ZN3PQG3IWAE5","bundle":"https://pith.science/pith/Y2A7HESRO7EHY6ZN3PQG3IWAE5/bundle.json","state":"https://pith.science/pith/Y2A7HESRO7EHY6ZN3PQG3IWAE5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Y2A7HESRO7EHY6ZN3PQG3IWAE5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:Y2A7HESRO7EHY6ZN3PQG3IWAE5","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":"05a65b560973ec70b1d48c2cd1b21e436c81e0bc5c17a97a462173f8c5333fc0","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2023-05-11T01:08:12Z","title_canon_sha256":"2e648b99929ad244ea9c0758a53d567b5dadf9eba5aef169b9fe014cda144210"},"schema_version":"1.0","source":{"id":"2305.06506","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2305.06506","created_at":"2026-07-05T07:32:18Z"},{"alias_kind":"arxiv_version","alias_value":"2305.06506v1","created_at":"2026-07-05T07:32:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2305.06506","created_at":"2026-07-05T07:32:18Z"},{"alias_kind":"pith_short_12","alias_value":"Y2A7HESRO7EH","created_at":"2026-07-05T07:32:18Z"},{"alias_kind":"pith_short_16","alias_value":"Y2A7HESRO7EHY6ZN","created_at":"2026-07-05T07:32:18Z"},{"alias_kind":"pith_short_8","alias_value":"Y2A7HESR","created_at":"2026-07-05T07:32:18Z"}],"graph_snapshots":[{"event_id":"sha256:6230d4389cc509ab4de7b7f5d9a3720787e174a8a107900a92dc317b20c6b0ae","target":"graph","created_at":"2026-07-05T07:32:18Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2305.06506/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The two-color laser field scheme for broad-band terahertz (THz) radiation from air has been intensively and broadly investigated due to the simplicity in technology and relative high yield efficiency. Experiments showed that the detected THz angular distribution is usually conical with a dip in the laser propagation axis which is unfavorable for its application, and the formation of an oscillating tail in the THz waveform has not yet been well understood. Here, we develop an electric field element interference model in which each local current source has a phase velocity determined by the lase","authors_text":"Nan Li, Wei-Min Wang","cross_cats":["physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2023-05-11T01:08:12Z","title":"Far-field model of two-color laser driven terahertz radiation including field element interference and plasma response"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2305.06506","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":"sha256:07696e443d80b24b150546a6baa9a9513ac3e306e6558e3565a20a9f495204f9","target":"record","created_at":"2026-07-05T07:32:18Z","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":"05a65b560973ec70b1d48c2cd1b21e436c81e0bc5c17a97a462173f8c5333fc0","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2023-05-11T01:08:12Z","title_canon_sha256":"2e648b99929ad244ea9c0758a53d567b5dadf9eba5aef169b9fe014cda144210"},"schema_version":"1.0","source":{"id":"2305.06506","kind":"arxiv","version":1}},"canonical_sha256":"c681f3925177c87c7b2ddbe06da2c027669ca118c70b5bd11f9e499f9add84c0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c681f3925177c87c7b2ddbe06da2c027669ca118c70b5bd11f9e499f9add84c0","first_computed_at":"2026-07-05T07:32:18.309381Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:32:18.309381Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6BOXPX721ElwHdqR6QJD1sSXwn58wllvg4qQX+N7M5KNLqxtGWy5ZjgUP5Gf1v4tWKp7e10AOb1zMnDN+IfjBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T07:32:18.309939Z","signed_message":"canonical_sha256_bytes"},"source_id":"2305.06506","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:07696e443d80b24b150546a6baa9a9513ac3e306e6558e3565a20a9f495204f9","sha256:6230d4389cc509ab4de7b7f5d9a3720787e174a8a107900a92dc317b20c6b0ae"],"state_sha256":"eb319ec34dc23e2342cb10fdf2eb53a63b40734a49bcda401f9f25509d9b7192"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tns3ZfTSXOQIdGLkvPps6pfhFGQPdZ7SxSj1hJ2COlff9IYb9Pl3+ggmDihjaXNXtPRjQL3Q2IrD2WW/sAedDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T09:07:44.966525Z","bundle_sha256":"2aeaa29a1cd794d8bcedbce1469afdc3df1c5bf6d0f138cff9a99b5c09641bf9"}}