{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:RVFGDTYWFGFGFKRRJELVFQ5WLF","short_pith_number":"pith:RVFGDTYW","schema_version":"1.0","canonical_sha256":"8d4a61cf16298a62aa31491752c3b6595670fa159556a66c2563a5a003f3aef4","source":{"kind":"arxiv","id":"1409.4070","version":1},"attestation_state":"computed","paper":{"title":"Enhancing and controlling single-atom high-harmonic generation spectra: a time-dependent density-functional scheme","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.atom-ph"],"primary_cat":"physics.optics","authors_text":"Alberto Castro, Angel Rubio, E. K. U. Gross","submitted_at":"2014-09-14T16:06:25Z","abstract_excerpt":"High harmonic generation (HHG) provides a flexible framework for the development of coherent light sources in the extreme-ultraviolet and soft x-ray regimes. However it suffers from low conversion efficiencies as the control of the HHG spectral and temporal characteristics requires manipulating electron trajectories on attosecond time scale. The phase matching mechanism has been employed to selectively enhance specific quantum paths leading to HHG. A few important fundamental questions remain open, among those how much of the enhancement can be achieved by the single-emitter and what is the ro"},"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":"1409.4070","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-09-14T16:06:25Z","cross_cats_sorted":["physics.atom-ph"],"title_canon_sha256":"ca76cacfd2ad6190e63733f994af80d67746b00af00a3dcdb775c47ab48dc053","abstract_canon_sha256":"da27e98c61f930cef0135b5bf4fa2db370b80e4d03d12b5e732dd3beb0946a51"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:42:53.124873Z","signature_b64":"8BoCAhg0j6DKAn5GlsGocgWXOWGcRnOkC7rpheIIS96CZYjrZQ/NdpynFGdbCHGuRWUqz+pxZKcL/hKU2lA5Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8d4a61cf16298a62aa31491752c3b6595670fa159556a66c2563a5a003f3aef4","last_reissued_at":"2026-05-18T02:42:53.124498Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:42:53.124498Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Enhancing and controlling single-atom high-harmonic generation spectra: a time-dependent density-functional scheme","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.atom-ph"],"primary_cat":"physics.optics","authors_text":"Alberto Castro, Angel Rubio, E. K. U. Gross","submitted_at":"2014-09-14T16:06:25Z","abstract_excerpt":"High harmonic generation (HHG) provides a flexible framework for the development of coherent light sources in the extreme-ultraviolet and soft x-ray regimes. However it suffers from low conversion efficiencies as the control of the HHG spectral and temporal characteristics requires manipulating electron trajectories on attosecond time scale. The phase matching mechanism has been employed to selectively enhance specific quantum paths leading to HHG. A few important fundamental questions remain open, among those how much of the enhancement can be achieved by the single-emitter and what is the ro"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.4070","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":"1409.4070","created_at":"2026-05-18T02:42:53.124558+00:00"},{"alias_kind":"arxiv_version","alias_value":"1409.4070v1","created_at":"2026-05-18T02:42:53.124558+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.4070","created_at":"2026-05-18T02:42:53.124558+00:00"},{"alias_kind":"pith_short_12","alias_value":"RVFGDTYWFGFG","created_at":"2026-05-18T12:28:46.137349+00:00"},{"alias_kind":"pith_short_16","alias_value":"RVFGDTYWFGFGFKRR","created_at":"2026-05-18T12:28:46.137349+00:00"},{"alias_kind":"pith_short_8","alias_value":"RVFGDTYW","created_at":"2026-05-18T12:28:46.137349+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/RVFGDTYWFGFGFKRRJELVFQ5WLF","json":"https://pith.science/pith/RVFGDTYWFGFGFKRRJELVFQ5WLF.json","graph_json":"https://pith.science/api/pith-number/RVFGDTYWFGFGFKRRJELVFQ5WLF/graph.json","events_json":"https://pith.science/api/pith-number/RVFGDTYWFGFGFKRRJELVFQ5WLF/events.json","paper":"https://pith.science/paper/RVFGDTYW"},"agent_actions":{"view_html":"https://pith.science/pith/RVFGDTYWFGFGFKRRJELVFQ5WLF","download_json":"https://pith.science/pith/RVFGDTYWFGFGFKRRJELVFQ5WLF.json","view_paper":"https://pith.science/paper/RVFGDTYW","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1409.4070&json=true","fetch_graph":"https://pith.science/api/pith-number/RVFGDTYWFGFGFKRRJELVFQ5WLF/graph.json","fetch_events":"https://pith.science/api/pith-number/RVFGDTYWFGFGFKRRJELVFQ5WLF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/RVFGDTYWFGFGFKRRJELVFQ5WLF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/RVFGDTYWFGFGFKRRJELVFQ5WLF/action/storage_attestation","attest_author":"https://pith.science/pith/RVFGDTYWFGFGFKRRJELVFQ5WLF/action/author_attestation","sign_citation":"https://pith.science/pith/RVFGDTYWFGFGFKRRJELVFQ5WLF/action/citation_signature","submit_replication":"https://pith.science/pith/RVFGDTYWFGFGFKRRJELVFQ5WLF/action/replication_record"}},"created_at":"2026-05-18T02:42:53.124558+00:00","updated_at":"2026-05-18T02:42:53.124558+00:00"}