{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:7BPEVRFCSZODLKXNGRFTK4DLWQ","short_pith_number":"pith:7BPEVRFC","canonical_record":{"source":{"id":"2212.11908","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2022-12-22T17:45:58Z","cross_cats_sorted":[],"title_canon_sha256":"6f376cade727ca37809474b52afc49758d9e1d59daa8311cddbc286cd74b5e02","abstract_canon_sha256":"8e868623218b2390b3857f106f4922bb6d95b0ed48045db6e425c95cbfef5edd"},"schema_version":"1.0"},"canonical_sha256":"f85e4ac4a2965c35aaed344b35706bb419c742aa2347877a397872151f87e8cc","source":{"kind":"arxiv","id":"2212.11908","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2212.11908","created_at":"2026-07-05T06:09:32Z"},{"alias_kind":"arxiv_version","alias_value":"2212.11908v2","created_at":"2026-07-05T06:09:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2212.11908","created_at":"2026-07-05T06:09:32Z"},{"alias_kind":"pith_short_12","alias_value":"7BPEVRFCSZOD","created_at":"2026-07-05T06:09:32Z"},{"alias_kind":"pith_short_16","alias_value":"7BPEVRFCSZODLKXN","created_at":"2026-07-05T06:09:32Z"},{"alias_kind":"pith_short_8","alias_value":"7BPEVRFC","created_at":"2026-07-05T06:09:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:7BPEVRFCSZODLKXNGRFTK4DLWQ","target":"record","payload":{"canonical_record":{"source":{"id":"2212.11908","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2022-12-22T17:45:58Z","cross_cats_sorted":[],"title_canon_sha256":"6f376cade727ca37809474b52afc49758d9e1d59daa8311cddbc286cd74b5e02","abstract_canon_sha256":"8e868623218b2390b3857f106f4922bb6d95b0ed48045db6e425c95cbfef5edd"},"schema_version":"1.0"},"canonical_sha256":"f85e4ac4a2965c35aaed344b35706bb419c742aa2347877a397872151f87e8cc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:09:32.981241Z","signature_b64":"+9Vs/ZBWA14h4cTzS2GKBt28alD+ZozmN+1WsxNuh4WGYqtuctgT4sKLFVfqlzgowZlvq8R+Zya1HlUMYJ8bDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f85e4ac4a2965c35aaed344b35706bb419c742aa2347877a397872151f87e8cc","last_reissued_at":"2026-07-05T06:09:32.980804Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:09:32.980804Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2212.11908","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T06:09:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5owOvEvrr+2AlA6mzq5tcmRHsw+gT6O+0k5z+dd7v6NFQkKIwRSsCNTkw4Z6yNXxYV7lWQB+u/o4Ux0TZhJCCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T16:25:18.765664Z"},"content_sha256":"a5c45acf05ee6474fb88216e14f72c2bbac8785c907352395ad330ab9bfae9e2","schema_version":"1.0","event_id":"sha256:a5c45acf05ee6474fb88216e14f72c2bbac8785c907352395ad330ab9bfae9e2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:7BPEVRFCSZODLKXNGRFTK4DLWQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Generation and characterization of frequency tuneable sub-15 fs pulses in a gas-filled hollow-core fiber pumped by a Yb:KGW laser","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Christian Brahms, Federico Belli, Fei Yu, John C. Travers, Jonathan Knight, Mohammed Sabbah","submitted_at":"2022-12-22T17:45:58Z","abstract_excerpt":"We investigate soliton self-compression and photoionization effects in an argon-filled antiresonant hollow-core photonic crystal fiber pumped with a commercial Yb:KGW laser. Before the onset of photoionization, we demonstrate self-compression of our 220~fs pump laser to 13~fs in a single and compact stage. By using the plasma driven soliton self-frequency blueshift, we also demonstrate a tuneable source from 1030 to ~700 nm. We fully characterize the compressed pulses using sum-frequency generation time-domain ptychography, experimentally revealing the full time-frequency plasma-soliton dynami"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2212.11908","kind":"arxiv","version":2},"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/2212.11908/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":"2026-07-05T06:09:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GHPdah5nWg+n4CGcftCNJCYLY38U+GQgZSlp63uknwEcLR54pXja+vhsjht0NwRsNdTfx16tD2oOjZmu4LyXBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T16:25:18.766457Z"},"content_sha256":"c62d33ba648bc7827b498e05000e8b23eee2e72e25b2663f190c465afde88c02","schema_version":"1.0","event_id":"sha256:c62d33ba648bc7827b498e05000e8b23eee2e72e25b2663f190c465afde88c02"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7BPEVRFCSZODLKXNGRFTK4DLWQ/bundle.json","state_url":"https://pith.science/pith/7BPEVRFCSZODLKXNGRFTK4DLWQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7BPEVRFCSZODLKXNGRFTK4DLWQ/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":"2026-08-17T16:25:18Z","links":{"resolver":"https://pith.science/pith/7BPEVRFCSZODLKXNGRFTK4DLWQ","bundle":"https://pith.science/pith/7BPEVRFCSZODLKXNGRFTK4DLWQ/bundle.json","state":"https://pith.science/pith/7BPEVRFCSZODLKXNGRFTK4DLWQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7BPEVRFCSZODLKXNGRFTK4DLWQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:7BPEVRFCSZODLKXNGRFTK4DLWQ","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":"8e868623218b2390b3857f106f4922bb6d95b0ed48045db6e425c95cbfef5edd","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2022-12-22T17:45:58Z","title_canon_sha256":"6f376cade727ca37809474b52afc49758d9e1d59daa8311cddbc286cd74b5e02"},"schema_version":"1.0","source":{"id":"2212.11908","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2212.11908","created_at":"2026-07-05T06:09:32Z"},{"alias_kind":"arxiv_version","alias_value":"2212.11908v2","created_at":"2026-07-05T06:09:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2212.11908","created_at":"2026-07-05T06:09:32Z"},{"alias_kind":"pith_short_12","alias_value":"7BPEVRFCSZOD","created_at":"2026-07-05T06:09:32Z"},{"alias_kind":"pith_short_16","alias_value":"7BPEVRFCSZODLKXN","created_at":"2026-07-05T06:09:32Z"},{"alias_kind":"pith_short_8","alias_value":"7BPEVRFC","created_at":"2026-07-05T06:09:32Z"}],"graph_snapshots":[{"event_id":"sha256:c62d33ba648bc7827b498e05000e8b23eee2e72e25b2663f190c465afde88c02","target":"graph","created_at":"2026-07-05T06:09:32Z","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/2212.11908/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We investigate soliton self-compression and photoionization effects in an argon-filled antiresonant hollow-core photonic crystal fiber pumped with a commercial Yb:KGW laser. Before the onset of photoionization, we demonstrate self-compression of our 220~fs pump laser to 13~fs in a single and compact stage. By using the plasma driven soliton self-frequency blueshift, we also demonstrate a tuneable source from 1030 to ~700 nm. We fully characterize the compressed pulses using sum-frequency generation time-domain ptychography, experimentally revealing the full time-frequency plasma-soliton dynami","authors_text":"Christian Brahms, Federico Belli, Fei Yu, John C. Travers, Jonathan Knight, Mohammed Sabbah","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2022-12-22T17:45:58Z","title":"Generation and characterization of frequency tuneable sub-15 fs pulses in a gas-filled hollow-core fiber pumped by a Yb:KGW laser"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2212.11908","kind":"arxiv","version":2},"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:a5c45acf05ee6474fb88216e14f72c2bbac8785c907352395ad330ab9bfae9e2","target":"record","created_at":"2026-07-05T06:09:32Z","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":"8e868623218b2390b3857f106f4922bb6d95b0ed48045db6e425c95cbfef5edd","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2022-12-22T17:45:58Z","title_canon_sha256":"6f376cade727ca37809474b52afc49758d9e1d59daa8311cddbc286cd74b5e02"},"schema_version":"1.0","source":{"id":"2212.11908","kind":"arxiv","version":2}},"canonical_sha256":"f85e4ac4a2965c35aaed344b35706bb419c742aa2347877a397872151f87e8cc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f85e4ac4a2965c35aaed344b35706bb419c742aa2347877a397872151f87e8cc","first_computed_at":"2026-07-05T06:09:32.980804Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:09:32.980804Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+9Vs/ZBWA14h4cTzS2GKBt28alD+ZozmN+1WsxNuh4WGYqtuctgT4sKLFVfqlzgowZlvq8R+Zya1HlUMYJ8bDA==","signature_status":"signed_v1","signed_at":"2026-07-05T06:09:32.981241Z","signed_message":"canonical_sha256_bytes"},"source_id":"2212.11908","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a5c45acf05ee6474fb88216e14f72c2bbac8785c907352395ad330ab9bfae9e2","sha256:c62d33ba648bc7827b498e05000e8b23eee2e72e25b2663f190c465afde88c02"],"state_sha256":"cc4a3508567bce5c189d60f513d0a398386afdb2e654fa036ef8ec37dcfe2bda"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RibqugMRQEpelhygWNoSq3K4wTbf8kbgfptz6gEFZIlbB3ZgXZ4Br16jhTzbbndBekDRguHTcFYXymw2pMLtDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-17T16:25:18.771949Z","bundle_sha256":"4d43dcc489a7aef47a667ac806e632f915d24889e075ff738b22a313403bf023"}}