{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:OHUXKZPSYXWYBLA3M3QZ47R7UN","short_pith_number":"pith:OHUXKZPS","canonical_record":{"source":{"id":"1303.5786","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2013-03-22T22:18:33Z","cross_cats_sorted":["physics.comp-ph"],"title_canon_sha256":"bdaa3ddfeed2bcd1439acbd613362eefdfc4c20fc41230aa18f0e29b337fb8b0","abstract_canon_sha256":"1aa93651961621882a0061ab9b1c1d755fe709187176a87286b07593b44a49c3"},"schema_version":"1.0"},"canonical_sha256":"71e97565f2c5ed80ac1b66e19e7e3fa34a51c5f9959f75d718d7463a4089e194","source":{"kind":"arxiv","id":"1303.5786","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.5786","created_at":"2026-05-18T03:25:34Z"},{"alias_kind":"arxiv_version","alias_value":"1303.5786v1","created_at":"2026-05-18T03:25:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.5786","created_at":"2026-05-18T03:25:34Z"},{"alias_kind":"pith_short_12","alias_value":"OHUXKZPSYXWY","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_16","alias_value":"OHUXKZPSYXWYBLA3","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_8","alias_value":"OHUXKZPS","created_at":"2026-05-18T12:27:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:OHUXKZPSYXWYBLA3M3QZ47R7UN","target":"record","payload":{"canonical_record":{"source":{"id":"1303.5786","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2013-03-22T22:18:33Z","cross_cats_sorted":["physics.comp-ph"],"title_canon_sha256":"bdaa3ddfeed2bcd1439acbd613362eefdfc4c20fc41230aa18f0e29b337fb8b0","abstract_canon_sha256":"1aa93651961621882a0061ab9b1c1d755fe709187176a87286b07593b44a49c3"},"schema_version":"1.0"},"canonical_sha256":"71e97565f2c5ed80ac1b66e19e7e3fa34a51c5f9959f75d718d7463a4089e194","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:25:34.522425Z","signature_b64":"luVQ/qPshFPVaGIObAaQ8bZaQb2p+n1jUhWsZxHNv/vhrajTGvNZQNHkSmRxgP6z6phxrd2nmYxrmo9c+9R3Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"71e97565f2c5ed80ac1b66e19e7e3fa34a51c5f9959f75d718d7463a4089e194","last_reissued_at":"2026-05-18T03:25:34.521879Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:25:34.521879Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1303.5786","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":"2026-05-18T03:25:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"728OZq4Cs38aGl51HaugJZgEZNh1L8sKP6D9e+6mRBLcJN3D6eRADWZwFTeq2SLMMeoJ6Ale1j+ogygqpsFxDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T00:39:56.008279Z"},"content_sha256":"a147aa89472d7f0b5b474726bba5d38561846a1f2c648997309b65fd3bc98b70","schema_version":"1.0","event_id":"sha256:a147aa89472d7f0b5b474726bba5d38561846a1f2c648997309b65fd3bc98b70"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:OHUXKZPSYXWYBLA3M3QZ47R7UN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Mid-infrared femtosecond laser pulse filamentation in hollow waveguides: a comparison of simulation methods","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.comp-ph"],"primary_cat":"physics.optics","authors_text":"Jonathan Andreasen, Miroslav Kolesik","submitted_at":"2013-03-22T22:18:33Z","abstract_excerpt":"This work compares computational methods for laser pulse propagation in hollow waveguides filled with rare gases at high pressures, with applications in extreme nonlinear optics in the mid-infrared wavelength region. As the wavelength of light \\lambda=2\\pi/k increases with respect to the transverse size R of a leaky waveguide, the loss of light out of the waveguide upon propagation, in general, increases. The now standard numerical approach for studying such structures is based on expansion of the propagating field into approximate leaky waveguide modes. We compare this approach to a new metho"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.5786","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":"2026-05-18T03:25:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"H7jK6V8deyKTLTdH2ZnF2kzKsHYZycZ/lMBdtgEn2cbu4nG2Svx5hPSa3nrsvZrJazXiRCgCtwM4kkngh0k3AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T00:39:56.008660Z"},"content_sha256":"9e2cd1cfad832331904930e5cd0ef057402a65e68b8e2ec3123535204ff15bd9","schema_version":"1.0","event_id":"sha256:9e2cd1cfad832331904930e5cd0ef057402a65e68b8e2ec3123535204ff15bd9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OHUXKZPSYXWYBLA3M3QZ47R7UN/bundle.json","state_url":"https://pith.science/pith/OHUXKZPSYXWYBLA3M3QZ47R7UN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OHUXKZPSYXWYBLA3M3QZ47R7UN/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":"2026-05-27T00:39:56Z","links":{"resolver":"https://pith.science/pith/OHUXKZPSYXWYBLA3M3QZ47R7UN","bundle":"https://pith.science/pith/OHUXKZPSYXWYBLA3M3QZ47R7UN/bundle.json","state":"https://pith.science/pith/OHUXKZPSYXWYBLA3M3QZ47R7UN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OHUXKZPSYXWYBLA3M3QZ47R7UN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:OHUXKZPSYXWYBLA3M3QZ47R7UN","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":"1aa93651961621882a0061ab9b1c1d755fe709187176a87286b07593b44a49c3","cross_cats_sorted":["physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2013-03-22T22:18:33Z","title_canon_sha256":"bdaa3ddfeed2bcd1439acbd613362eefdfc4c20fc41230aa18f0e29b337fb8b0"},"schema_version":"1.0","source":{"id":"1303.5786","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.5786","created_at":"2026-05-18T03:25:34Z"},{"alias_kind":"arxiv_version","alias_value":"1303.5786v1","created_at":"2026-05-18T03:25:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.5786","created_at":"2026-05-18T03:25:34Z"},{"alias_kind":"pith_short_12","alias_value":"OHUXKZPSYXWY","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_16","alias_value":"OHUXKZPSYXWYBLA3","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_8","alias_value":"OHUXKZPS","created_at":"2026-05-18T12:27:54Z"}],"graph_snapshots":[{"event_id":"sha256:9e2cd1cfad832331904930e5cd0ef057402a65e68b8e2ec3123535204ff15bd9","target":"graph","created_at":"2026-05-18T03:25:34Z","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":"This work compares computational methods for laser pulse propagation in hollow waveguides filled with rare gases at high pressures, with applications in extreme nonlinear optics in the mid-infrared wavelength region. As the wavelength of light \\lambda=2\\pi/k increases with respect to the transverse size R of a leaky waveguide, the loss of light out of the waveguide upon propagation, in general, increases. The now standard numerical approach for studying such structures is based on expansion of the propagating field into approximate leaky waveguide modes. We compare this approach to a new metho","authors_text":"Jonathan Andreasen, Miroslav Kolesik","cross_cats":["physics.comp-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2013-03-22T22:18:33Z","title":"Mid-infrared femtosecond laser pulse filamentation in hollow waveguides: a comparison of simulation methods"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.5786","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:a147aa89472d7f0b5b474726bba5d38561846a1f2c648997309b65fd3bc98b70","target":"record","created_at":"2026-05-18T03:25:34Z","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":"1aa93651961621882a0061ab9b1c1d755fe709187176a87286b07593b44a49c3","cross_cats_sorted":["physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2013-03-22T22:18:33Z","title_canon_sha256":"bdaa3ddfeed2bcd1439acbd613362eefdfc4c20fc41230aa18f0e29b337fb8b0"},"schema_version":"1.0","source":{"id":"1303.5786","kind":"arxiv","version":1}},"canonical_sha256":"71e97565f2c5ed80ac1b66e19e7e3fa34a51c5f9959f75d718d7463a4089e194","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"71e97565f2c5ed80ac1b66e19e7e3fa34a51c5f9959f75d718d7463a4089e194","first_computed_at":"2026-05-18T03:25:34.521879Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:25:34.521879Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"luVQ/qPshFPVaGIObAaQ8bZaQb2p+n1jUhWsZxHNv/vhrajTGvNZQNHkSmRxgP6z6phxrd2nmYxrmo9c+9R3Bg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:25:34.522425Z","signed_message":"canonical_sha256_bytes"},"source_id":"1303.5786","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a147aa89472d7f0b5b474726bba5d38561846a1f2c648997309b65fd3bc98b70","sha256:9e2cd1cfad832331904930e5cd0ef057402a65e68b8e2ec3123535204ff15bd9"],"state_sha256":"c8a878a049089f8e798ef8cbae5581ecc3dee26a03433417d21eeae464b3d829"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"i6uVcUzSvBIy0x0mgHJYl7lbS5QZ94QMSMz3aZhYgb1QbX+WqCyLTLxdfMvyukdorxAPvVnDyvSSgK3sk1jICA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T00:39:56.016748Z","bundle_sha256":"28e0bdd86aa7c3a600184daa0202fcd4716652f43f83ed93f5a70cc1f4fe6215"}}