{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:4W23JE5GIYWRZKOFW5VPY2ZWWE","short_pith_number":"pith:4W23JE5G","schema_version":"1.0","canonical_sha256":"e5b5b493a6462d1ca9c5b76afc6b36b123b3926df09d170ee12dc1cdb728f7ae","source":{"kind":"arxiv","id":"1805.11531","version":1},"attestation_state":"computed","paper":{"title":"Tracing the phase of focused broadband laser pulses","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"A. M. Sayler, Dominik Hoff, Gerhard G. Paulus, Lothar Maisenbacher, Michael Kr\\\"uger, Peter Hommelhoff","submitted_at":"2018-05-29T15:06:20Z","abstract_excerpt":"Precise knowledge of the behaviour of the phase of light in a focused beam is fundamental to understanding and controlling laser-driven processes. More than a hundred years ago an axial phase anomaly for focused monochromatic light beams was discovered and is now commonly known as the Gouy phase. Recent theoretical work has brought into question the validity of applying this monochromatic phase formulation to the broadband pulses becoming ubiquitous today. Based on electron back-scattering at sharp nanometre-scale metal tips, a method is available to measure light fields with sub-wavelength sp"},"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":"1805.11531","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-05-29T15:06:20Z","cross_cats_sorted":[],"title_canon_sha256":"0b7dcfd4e4d6848a38d86924ef10826cf392104346027f05f4e4a05d63c5b7f1","abstract_canon_sha256":"185aa6d0179ef9087eb9a04f110668f9a52a9f8c20005b71873da7aa1dec08e5"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:14:42.161732Z","signature_b64":"IBuqUnpf91Zp5T7HBvh6lQhLtG69aC7Gv530WMBIB7uQdGj15hcABOAStCu+/dYSwnuBx9aOVCAFjsJqMZSCBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e5b5b493a6462d1ca9c5b76afc6b36b123b3926df09d170ee12dc1cdb728f7ae","last_reissued_at":"2026-05-18T00:14:42.161022Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:14:42.161022Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Tracing the phase of focused broadband laser pulses","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"A. M. Sayler, Dominik Hoff, Gerhard G. Paulus, Lothar Maisenbacher, Michael Kr\\\"uger, Peter Hommelhoff","submitted_at":"2018-05-29T15:06:20Z","abstract_excerpt":"Precise knowledge of the behaviour of the phase of light in a focused beam is fundamental to understanding and controlling laser-driven processes. More than a hundred years ago an axial phase anomaly for focused monochromatic light beams was discovered and is now commonly known as the Gouy phase. Recent theoretical work has brought into question the validity of applying this monochromatic phase formulation to the broadband pulses becoming ubiquitous today. Based on electron back-scattering at sharp nanometre-scale metal tips, a method is available to measure light fields with sub-wavelength sp"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.11531","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":"1805.11531","created_at":"2026-05-18T00:14:42.161131+00:00"},{"alias_kind":"arxiv_version","alias_value":"1805.11531v1","created_at":"2026-05-18T00:14:42.161131+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.11531","created_at":"2026-05-18T00:14:42.161131+00:00"},{"alias_kind":"pith_short_12","alias_value":"4W23JE5GIYWR","created_at":"2026-05-18T12:32:05.422762+00:00"},{"alias_kind":"pith_short_16","alias_value":"4W23JE5GIYWRZKOF","created_at":"2026-05-18T12:32:05.422762+00:00"},{"alias_kind":"pith_short_8","alias_value":"4W23JE5G","created_at":"2026-05-18T12:32:05.422762+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/4W23JE5GIYWRZKOFW5VPY2ZWWE","json":"https://pith.science/pith/4W23JE5GIYWRZKOFW5VPY2ZWWE.json","graph_json":"https://pith.science/api/pith-number/4W23JE5GIYWRZKOFW5VPY2ZWWE/graph.json","events_json":"https://pith.science/api/pith-number/4W23JE5GIYWRZKOFW5VPY2ZWWE/events.json","paper":"https://pith.science/paper/4W23JE5G"},"agent_actions":{"view_html":"https://pith.science/pith/4W23JE5GIYWRZKOFW5VPY2ZWWE","download_json":"https://pith.science/pith/4W23JE5GIYWRZKOFW5VPY2ZWWE.json","view_paper":"https://pith.science/paper/4W23JE5G","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1805.11531&json=true","fetch_graph":"https://pith.science/api/pith-number/4W23JE5GIYWRZKOFW5VPY2ZWWE/graph.json","fetch_events":"https://pith.science/api/pith-number/4W23JE5GIYWRZKOFW5VPY2ZWWE/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4W23JE5GIYWRZKOFW5VPY2ZWWE/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4W23JE5GIYWRZKOFW5VPY2ZWWE/action/storage_attestation","attest_author":"https://pith.science/pith/4W23JE5GIYWRZKOFW5VPY2ZWWE/action/author_attestation","sign_citation":"https://pith.science/pith/4W23JE5GIYWRZKOFW5VPY2ZWWE/action/citation_signature","submit_replication":"https://pith.science/pith/4W23JE5GIYWRZKOFW5VPY2ZWWE/action/replication_record"}},"created_at":"2026-05-18T00:14:42.161131+00:00","updated_at":"2026-05-18T00:14:42.161131+00:00"}