{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:IN7CCBAA35LX4AXTUR5EVMZAWM","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":"6fd183ced5ab938049e04e9f6137749269ef513e94c19c26158157b0c39f2dcb","cross_cats_sorted":["cond-mat.mes-hall","physics.plasm-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2018-01-29T14:00:25Z","title_canon_sha256":"4aa2e731fd119be2032b617924986ceeb9154fa7e40f154a01292cfd3896f828"},"schema_version":"1.0","source":{"id":"1801.09508","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.09508","created_at":"2026-05-18T00:15:09Z"},{"alias_kind":"arxiv_version","alias_value":"1801.09508v2","created_at":"2026-05-18T00:15:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.09508","created_at":"2026-05-18T00:15:09Z"},{"alias_kind":"pith_short_12","alias_value":"IN7CCBAA35LX","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"IN7CCBAA35LX4AXT","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"IN7CCBAA","created_at":"2026-05-18T12:32:31Z"}],"graph_snapshots":[{"event_id":"sha256:abe0f28bd1bae91e0de0a38843cb45d5d3805fdbcc29c6cbd6a859b65e6080b0","target":"graph","created_at":"2026-05-18T00:15:09Z","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"},"paper":{"abstract_excerpt":"Field emission from nano-structured emitters primarily takes place from the tips. Using recent results on the variation of enhancement factor around the apex (Biswas et al, Ultramicroscopy 185, 1-4 (2018)), analytical expressions for surface distribution of net emitted electrons as well as the total and normal energy distributions are derived in terms of the apex radius $R_a$ and the local electric field at the apex $E_a$. Formulae for the net emitted current and effective emission area in terms of these quantities are also obtained.","authors_text":"Debabrata Biswas","cross_cats":["cond-mat.mes-hall","physics.plasm-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2018-01-29T14:00:25Z","title":"Field-emission from parabolic tips: current distributions, the net current and effective emission area"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.09508","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":"sha256:79a8bf009412b9201f8397bf178d32e57e0ffc6c0011ad89c8618ff1efd78e4f","target":"record","created_at":"2026-05-18T00:15:09Z","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":"6fd183ced5ab938049e04e9f6137749269ef513e94c19c26158157b0c39f2dcb","cross_cats_sorted":["cond-mat.mes-hall","physics.plasm-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2018-01-29T14:00:25Z","title_canon_sha256":"4aa2e731fd119be2032b617924986ceeb9154fa7e40f154a01292cfd3896f828"},"schema_version":"1.0","source":{"id":"1801.09508","kind":"arxiv","version":2}},"canonical_sha256":"437e210400df577e02f3a47a4ab320b321eb536c522f326df4cf3486beb33efd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"437e210400df577e02f3a47a4ab320b321eb536c522f326df4cf3486beb33efd","first_computed_at":"2026-05-18T00:15:09.806802Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:15:09.806802Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"e2KBq+0rXKB1SH7wYzXDEC9NHcrpuWJmKNwGoeEWHUMEPB8YbpN5NMFJAkeP4WucExaDb2IFn9zZHI74EbH2Bg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:15:09.807285Z","signed_message":"canonical_sha256_bytes"},"source_id":"1801.09508","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:79a8bf009412b9201f8397bf178d32e57e0ffc6c0011ad89c8618ff1efd78e4f","sha256:abe0f28bd1bae91e0de0a38843cb45d5d3805fdbcc29c6cbd6a859b65e6080b0"],"state_sha256":"335905fdf09c6333d74b970be7dedc2ce90f081dea700829ae2e2b4e03e54de3"}