{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:3MMKDA5WDXOG55H6P32AQL75PU","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":"7ef1ade090f6dc0c13abf146a901bcc18107f125a138c65dc497fc7597fa7f8b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-05-05T23:19:10Z","title_canon_sha256":"a121002ecdefa38c4a8c1651e49bfe5e86d7e8bf945f9ed925681562184ecf4c"},"schema_version":"1.0","source":{"id":"1405.1104","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1405.1104","created_at":"2026-05-18T02:52:33Z"},{"alias_kind":"arxiv_version","alias_value":"1405.1104v1","created_at":"2026-05-18T02:52:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.1104","created_at":"2026-05-18T02:52:33Z"},{"alias_kind":"pith_short_12","alias_value":"3MMKDA5WDXOG","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_16","alias_value":"3MMKDA5WDXOG55H6","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_8","alias_value":"3MMKDA5W","created_at":"2026-05-18T12:28:11Z"}],"graph_snapshots":[{"event_id":"sha256:e35fa77e3d88ac76521775de49caca9328595ee8bf83ead1d39edcad08817792","target":"graph","created_at":"2026-05-18T02:52:33Z","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":"We present a novel extraction algorithm for spectral phase interferometry for direct field reconstruction (SPIDER) for the so-called X-SPIDER configuration. Our approach largely extends the measurable time windows of pulses without requiring any modification to the experimental X-SPIDER set-up.","authors_text":"Alessia Pasquazi, David J. Moss, Jose Azana, Marco Peccianti, Roberto Morandotti","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-05-05T23:19:10Z","title":"Novel extraction algorithm for amplitude and phase measurement of ultrashort optical pulses via spectral phase interferometry"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.1104","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":"sha256:049700dd33aca90a7192c5f9b6a2cfc968fa1447afc9d9b6678fec694dc1cff4","target":"record","created_at":"2026-05-18T02:52:33Z","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":"7ef1ade090f6dc0c13abf146a901bcc18107f125a138c65dc497fc7597fa7f8b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-05-05T23:19:10Z","title_canon_sha256":"a121002ecdefa38c4a8c1651e49bfe5e86d7e8bf945f9ed925681562184ecf4c"},"schema_version":"1.0","source":{"id":"1405.1104","kind":"arxiv","version":1}},"canonical_sha256":"db18a183b61ddc6ef4fe7ef4082ffd7d0a9aee02e4fc42d4429b070af78f3082","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"db18a183b61ddc6ef4fe7ef4082ffd7d0a9aee02e4fc42d4429b070af78f3082","first_computed_at":"2026-05-18T02:52:33.496261Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:52:33.496261Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FqqeP1osjMhR8xQNi6qBEqTJH99Fw0PoYdigJr+fmcRpDVuCCYmpTUlcbgZ/Bd2P1E/Ju8IbCC0FwU7iEfgjDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:52:33.496799Z","signed_message":"canonical_sha256_bytes"},"source_id":"1405.1104","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:049700dd33aca90a7192c5f9b6a2cfc968fa1447afc9d9b6678fec694dc1cff4","sha256:e35fa77e3d88ac76521775de49caca9328595ee8bf83ead1d39edcad08817792"],"state_sha256":"251876c3a74d4c7d3724fbce1bcd9cfbe05237620de93092ed76ed14ba7474ef"}