{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:Y32BXVJ6TDOCZDFRWKD3VPQ2AB","short_pith_number":"pith:Y32BXVJ6","schema_version":"1.0","canonical_sha256":"c6f41bd53e98dc2c8cb1b287babe1a0078c589216d657aea27f28c607750d756","source":{"kind":"arxiv","id":"1504.05733","version":1},"attestation_state":"computed","paper":{"title":"Spectral and temporal characterization of nanosecond and femtosecond laser produced plasma from metallic targets","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.plasm-ph","authors_text":"N. Smijesh","submitted_at":"2015-04-22T11:13:35Z","abstract_excerpt":"Experimental characterization and comparison of the temporal features of plasma produced by ultrafast (100 fs, 800 nm) and short-pulse (7ns, 1064 nm) laser pulses from a high purity nickel and zinc targets, expanding into a nitrogen background, are presented. The experiment is carried out under a wide pressure range of 10^-6 to 10^2 Torr, where the plume intensity is found to increase rapidly when the pressure approaches 1 Torr. Electron temperature (Te) is calculated from OES and is found to be independent of pressure for ultrafast excitation, whereas an enhancement in Te is observed around m"},"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":"1504.05733","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2015-04-22T11:13:35Z","cross_cats_sorted":[],"title_canon_sha256":"07d7aba1f5263e830199acfefdc38c11de6372f97f5473ab75fd12e660610888","abstract_canon_sha256":"d3dd2eb3838ba351ffa7494417455bb3611a0ec5832e8f1a143528580108e5bb"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:18:12.823521Z","signature_b64":"GYDC3wQBNs2fnykRoprtBrywbqd4CySXpi/vGJVBtgU8mT+QMPv3fifI8pK1a48bb+2y08hM1ARz0m3PFy2KBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c6f41bd53e98dc2c8cb1b287babe1a0078c589216d657aea27f28c607750d756","last_reissued_at":"2026-05-18T02:18:12.822877Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:18:12.822877Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Spectral and temporal characterization of nanosecond and femtosecond laser produced plasma from metallic targets","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.plasm-ph","authors_text":"N. Smijesh","submitted_at":"2015-04-22T11:13:35Z","abstract_excerpt":"Experimental characterization and comparison of the temporal features of plasma produced by ultrafast (100 fs, 800 nm) and short-pulse (7ns, 1064 nm) laser pulses from a high purity nickel and zinc targets, expanding into a nitrogen background, are presented. The experiment is carried out under a wide pressure range of 10^-6 to 10^2 Torr, where the plume intensity is found to increase rapidly when the pressure approaches 1 Torr. Electron temperature (Te) is calculated from OES and is found to be independent of pressure for ultrafast excitation, whereas an enhancement in Te is observed around m"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.05733","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1504.05733","created_at":"2026-05-18T02:18:12.822967+00:00"},{"alias_kind":"arxiv_version","alias_value":"1504.05733v1","created_at":"2026-05-18T02:18:12.822967+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.05733","created_at":"2026-05-18T02:18:12.822967+00:00"},{"alias_kind":"pith_short_12","alias_value":"Y32BXVJ6TDOC","created_at":"2026-05-18T12:29:50.041715+00:00"},{"alias_kind":"pith_short_16","alias_value":"Y32BXVJ6TDOCZDFR","created_at":"2026-05-18T12:29:50.041715+00:00"},{"alias_kind":"pith_short_8","alias_value":"Y32BXVJ6","created_at":"2026-05-18T12:29:50.041715+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/Y32BXVJ6TDOCZDFRWKD3VPQ2AB","json":"https://pith.science/pith/Y32BXVJ6TDOCZDFRWKD3VPQ2AB.json","graph_json":"https://pith.science/api/pith-number/Y32BXVJ6TDOCZDFRWKD3VPQ2AB/graph.json","events_json":"https://pith.science/api/pith-number/Y32BXVJ6TDOCZDFRWKD3VPQ2AB/events.json","paper":"https://pith.science/paper/Y32BXVJ6"},"agent_actions":{"view_html":"https://pith.science/pith/Y32BXVJ6TDOCZDFRWKD3VPQ2AB","download_json":"https://pith.science/pith/Y32BXVJ6TDOCZDFRWKD3VPQ2AB.json","view_paper":"https://pith.science/paper/Y32BXVJ6","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1504.05733&json=true","fetch_graph":"https://pith.science/api/pith-number/Y32BXVJ6TDOCZDFRWKD3VPQ2AB/graph.json","fetch_events":"https://pith.science/api/pith-number/Y32BXVJ6TDOCZDFRWKD3VPQ2AB/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/Y32BXVJ6TDOCZDFRWKD3VPQ2AB/action/timestamp_anchor","attest_storage":"https://pith.science/pith/Y32BXVJ6TDOCZDFRWKD3VPQ2AB/action/storage_attestation","attest_author":"https://pith.science/pith/Y32BXVJ6TDOCZDFRWKD3VPQ2AB/action/author_attestation","sign_citation":"https://pith.science/pith/Y32BXVJ6TDOCZDFRWKD3VPQ2AB/action/citation_signature","submit_replication":"https://pith.science/pith/Y32BXVJ6TDOCZDFRWKD3VPQ2AB/action/replication_record"}},"created_at":"2026-05-18T02:18:12.822967+00:00","updated_at":"2026-05-18T02:18:12.822967+00:00"}