{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:IW23IMHIWE3EN2Z3DIO7RR3DZM","short_pith_number":"pith:IW23IMHI","schema_version":"1.0","canonical_sha256":"45b5b430e8b13646eb3b1a1df8c763cb34e65d4febf268a1a8adaefc99a33c00","source":{"kind":"arxiv","id":"2504.12774","version":1},"attestation_state":"computed","paper":{"title":"Phase field model of Coulomb explosion damage in solid induced by ultrashort laser","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.other","physics.comp-ph"],"primary_cat":"physics.optics","authors_text":"Lihong Ao, Qin Zhang","submitted_at":"2025-04-17T09:16:41Z","abstract_excerpt":"Much experimental evidence reveals that Coulomb explosion governs non-thermal material removal under femtosecond or even shorter laser pulses, and non-thermal laser damage has been a topic widely discussed. Nevertheless, there is still no continuum mechanical model capable of describing the evolution of such damage. In this study, we develop a model that characterizes solid damage through a phase field variable governed by Allen-Cahn dynamics. The parameter of the model is defined by a conceptual mechanism: during Coulomb explosion, electron pressure surpasses the interatomic barrier potential"},"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":"2504.12774","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2025-04-17T09:16:41Z","cross_cats_sorted":["cond-mat.other","physics.comp-ph"],"title_canon_sha256":"f884e7d0a00470de56466103e7b3dd2762352c2a657f05ff14e027fa80e1b675","abstract_canon_sha256":"d96f86d24312ebce821aa65531a72ff7489855e1c98c4f053fa7e8ea8af448d1"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:50:22.046178Z","signature_b64":"eBbUQocJ0BSaXThkQW0wkUAGgk6lOEtfqG8nnhrqIClS/BhmZ7ZqpxeSkpdSxJzuHOQV4hDGwft0yx2/601TBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"45b5b430e8b13646eb3b1a1df8c763cb34e65d4febf268a1a8adaefc99a33c00","last_reissued_at":"2026-07-05T10:50:22.045756Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:50:22.045756Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Phase field model of Coulomb explosion damage in solid induced by ultrashort laser","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.other","physics.comp-ph"],"primary_cat":"physics.optics","authors_text":"Lihong Ao, Qin Zhang","submitted_at":"2025-04-17T09:16:41Z","abstract_excerpt":"Much experimental evidence reveals that Coulomb explosion governs non-thermal material removal under femtosecond or even shorter laser pulses, and non-thermal laser damage has been a topic widely discussed. Nevertheless, there is still no continuum mechanical model capable of describing the evolution of such damage. In this study, we develop a model that characterizes solid damage through a phase field variable governed by Allen-Cahn dynamics. The parameter of the model is defined by a conceptual mechanism: during Coulomb explosion, electron pressure surpasses the interatomic barrier potential"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.12774","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2504.12774/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2504.12774","created_at":"2026-07-05T10:50:22.045826+00:00"},{"alias_kind":"arxiv_version","alias_value":"2504.12774v1","created_at":"2026-07-05T10:50:22.045826+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.12774","created_at":"2026-07-05T10:50:22.045826+00:00"},{"alias_kind":"pith_short_12","alias_value":"IW23IMHIWE3E","created_at":"2026-07-05T10:50:22.045826+00:00"},{"alias_kind":"pith_short_16","alias_value":"IW23IMHIWE3EN2Z3","created_at":"2026-07-05T10:50:22.045826+00:00"},{"alias_kind":"pith_short_8","alias_value":"IW23IMHI","created_at":"2026-07-05T10:50:22.045826+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/IW23IMHIWE3EN2Z3DIO7RR3DZM","json":"https://pith.science/pith/IW23IMHIWE3EN2Z3DIO7RR3DZM.json","graph_json":"https://pith.science/api/pith-number/IW23IMHIWE3EN2Z3DIO7RR3DZM/graph.json","events_json":"https://pith.science/api/pith-number/IW23IMHIWE3EN2Z3DIO7RR3DZM/events.json","paper":"https://pith.science/paper/IW23IMHI"},"agent_actions":{"view_html":"https://pith.science/pith/IW23IMHIWE3EN2Z3DIO7RR3DZM","download_json":"https://pith.science/pith/IW23IMHIWE3EN2Z3DIO7RR3DZM.json","view_paper":"https://pith.science/paper/IW23IMHI","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2504.12774&json=true","fetch_graph":"https://pith.science/api/pith-number/IW23IMHIWE3EN2Z3DIO7RR3DZM/graph.json","fetch_events":"https://pith.science/api/pith-number/IW23IMHIWE3EN2Z3DIO7RR3DZM/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/IW23IMHIWE3EN2Z3DIO7RR3DZM/action/timestamp_anchor","attest_storage":"https://pith.science/pith/IW23IMHIWE3EN2Z3DIO7RR3DZM/action/storage_attestation","attest_author":"https://pith.science/pith/IW23IMHIWE3EN2Z3DIO7RR3DZM/action/author_attestation","sign_citation":"https://pith.science/pith/IW23IMHIWE3EN2Z3DIO7RR3DZM/action/citation_signature","submit_replication":"https://pith.science/pith/IW23IMHIWE3EN2Z3DIO7RR3DZM/action/replication_record"}},"created_at":"2026-07-05T10:50:22.045826+00:00","updated_at":"2026-07-05T10:50:22.045826+00:00"}