{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:FR2JTXORJFLSFCUY74T4A4NBAD","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":"9215cdde2c4aa2431e5495da9562bd0d9fa605bacafe68822473cccfaf42facb","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2019-07-02T08:49:32Z","title_canon_sha256":"47355082aae68528089b56050c3fff48f1fc21924715e45788e9ef635342a67b"},"schema_version":"1.0","source":{"id":"1907.01239","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.01239","created_at":"2026-07-05T00:52:15Z"},{"alias_kind":"arxiv_version","alias_value":"1907.01239v1","created_at":"2026-07-05T00:52:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.01239","created_at":"2026-07-05T00:52:15Z"},{"alias_kind":"pith_short_12","alias_value":"FR2JTXORJFLS","created_at":"2026-07-05T00:52:15Z"},{"alias_kind":"pith_short_16","alias_value":"FR2JTXORJFLSFCUY","created_at":"2026-07-05T00:52:15Z"},{"alias_kind":"pith_short_8","alias_value":"FR2JTXOR","created_at":"2026-07-05T00:52:15Z"}],"graph_snapshots":[{"event_id":"sha256:fa51af25a5bcf2ffcc7efab27856d39477393a8dbdb3e329e5044882d20cfd95","target":"graph","created_at":"2026-07-05T00:52:15Z","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/1907.01239/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present a laser source delivering waveform-controlled 1.5-cycle pulses that can be focused to relativistic intensity at 1 kHz repetition rate. These pulses are generated by nonlinear compression of high-temporal-contrast sub-25\\,fs pulses from a kHz Ti:Sapphire double-chirped pulse amplifier in a stretched flexible hollow fiber compressor scaled for high peak power. The unique capabilities of this source are demonstrated by observing carrier-envelope phase effects in laser-wakefield acceleration of relativistic electrons for the first time.","authors_text":"Aline Vernier, Andreas Blumenstein, Domynikas Gustas, Frederik Boehle, Jean-Philippe Rousseau, J\\'er\\^ome Faure, Magali Lozano, Maimouna Bocoum, Marie Ouill\\'e, Peter Simon, Rodrigo Lopez-Martens, Stefan Haessler, Tamas Nagy, Zhao Cheng","cross_cats":["physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2019-07-02T08:49:32Z","title":"Relativistic near-single-cycle optics at 1 kHz"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.01239","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":"sha256:40a055ff95dd2d4b4953de0035c7d54a9d81fb378d4ee41838d9a3ae8e3b40a2","target":"record","created_at":"2026-07-05T00:52:15Z","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":"9215cdde2c4aa2431e5495da9562bd0d9fa605bacafe68822473cccfaf42facb","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2019-07-02T08:49:32Z","title_canon_sha256":"47355082aae68528089b56050c3fff48f1fc21924715e45788e9ef635342a67b"},"schema_version":"1.0","source":{"id":"1907.01239","kind":"arxiv","version":1}},"canonical_sha256":"2c7499ddd14957228a98ff27c071a100d39165e8d9ea452df1ed091131ec4d4c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2c7499ddd14957228a98ff27c071a100d39165e8d9ea452df1ed091131ec4d4c","first_computed_at":"2026-07-05T00:52:15.438715Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:52:15.438715Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"AnvKPygKcpdAfXMogFFa2p7hgIKg8+nE2kY6sITsvaxkzT4v2p6YWavHGkwojsxp7qOmbvNnORrWjKdEaY0wDg==","signature_status":"signed_v1","signed_at":"2026-07-05T00:52:15.439299Z","signed_message":"canonical_sha256_bytes"},"source_id":"1907.01239","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:40a055ff95dd2d4b4953de0035c7d54a9d81fb378d4ee41838d9a3ae8e3b40a2","sha256:fa51af25a5bcf2ffcc7efab27856d39477393a8dbdb3e329e5044882d20cfd95"],"state_sha256":"e69c04f480827d60c2fd58cda215cff8238e953bdbf9ea0e99404d68ef3ceb59"}