{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:MS6ZONBWX5FUJREEUBDBAYP23Z","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":"9960c6c081298ac36bc3e42cf0c46f050fa2b2bc21cc611d2905bd48a6e0b0f3","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"physics.optics","submitted_at":"2021-08-06T11:07:33Z","title_canon_sha256":"bbc79e2f5b5f3d171db2aae7a4e84a5f2a25f3b06a0e1213adc57801db951cbb"},"schema_version":"1.0","source":{"id":"2108.03053","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2108.03053","created_at":"2026-07-05T03:03:45Z"},{"alias_kind":"arxiv_version","alias_value":"2108.03053v1","created_at":"2026-07-05T03:03:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2108.03053","created_at":"2026-07-05T03:03:45Z"},{"alias_kind":"pith_short_12","alias_value":"MS6ZONBWX5FU","created_at":"2026-07-05T03:03:45Z"},{"alias_kind":"pith_short_16","alias_value":"MS6ZONBWX5FUJREE","created_at":"2026-07-05T03:03:45Z"},{"alias_kind":"pith_short_8","alias_value":"MS6ZONBW","created_at":"2026-07-05T03:03:45Z"}],"graph_snapshots":[{"event_id":"sha256:019f48eb0e52d21b7303664a2f7e19e1bbd1da402c0b8255e9b9f9fdd8d855e2","target":"graph","created_at":"2026-07-05T03:03:45Z","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/2108.03053/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The formation of an electron-hole plasma during the interaction of intense femtosecond laser pulses with transparent solids lies at the heart of femtosecond laser processing. Advanced micro- and nanomachining applications require improved control over the excitation characteristics. Here, we relate the emission of low-order harmonics to the strong laser-field-induced plasma formation. Together with a measurement of the total plasma density we identify the contribution of two competing ionization mechanisms - strong-field and electron-impact ionization.","authors_text":"Alexandre Mermillod-Blondin, Anton Husakou, Arnaud Rouzee, Benjamin Liewehr, Bj\\\"orn Kruse, Christian Peltz, Marc. J. J. Vrakking, Mikhail Ivanov, Peter J\\\"urgens, Thomas Fennel, Tobias Witting","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"physics.optics","submitted_at":"2021-08-06T11:07:33Z","title":"Characterization of laser-induced ionization dynamics in solid dielectrics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2108.03053","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:a053421dbb2a06cc41c42ba0c7125833266836f4d12eef91fe64a93825218283","target":"record","created_at":"2026-07-05T03:03:45Z","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":"9960c6c081298ac36bc3e42cf0c46f050fa2b2bc21cc611d2905bd48a6e0b0f3","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"physics.optics","submitted_at":"2021-08-06T11:07:33Z","title_canon_sha256":"bbc79e2f5b5f3d171db2aae7a4e84a5f2a25f3b06a0e1213adc57801db951cbb"},"schema_version":"1.0","source":{"id":"2108.03053","kind":"arxiv","version":1}},"canonical_sha256":"64bd973436bf4b44c484a0461061fade7869be46f4e194f733d8940bbd5a681f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"64bd973436bf4b44c484a0461061fade7869be46f4e194f733d8940bbd5a681f","first_computed_at":"2026-07-05T03:03:45.292457Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:03:45.292457Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"o4nIyE+xmkdmAR8BvoVIfksIv29ueX1b0dYVQ+BT3oo+sr7HmQe5qMZFyB2JYlec/Ex4E9tYZnIcIABqE2ZiAA==","signature_status":"signed_v1","signed_at":"2026-07-05T03:03:45.292868Z","signed_message":"canonical_sha256_bytes"},"source_id":"2108.03053","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a053421dbb2a06cc41c42ba0c7125833266836f4d12eef91fe64a93825218283","sha256:019f48eb0e52d21b7303664a2f7e19e1bbd1da402c0b8255e9b9f9fdd8d855e2"],"state_sha256":"fc300fe38b00f19e9c52eb7aab9a4c6184bcce1fc3f113e603d261414fdf75da"}