{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:ZDPMUNEZKSNUG5Y7JON77EVLFS","short_pith_number":"pith:ZDPMUNEZ","canonical_record":{"source":{"id":"1805.01235","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-05-03T11:38:32Z","cross_cats_sorted":[],"title_canon_sha256":"36a16c736257833c4744eb5fce0e18f47f109b26f4b7f45d69acc36a8f1f7ac3","abstract_canon_sha256":"f1438f8e375b5edecffb4badba7557c4b6dbe88cbe1005f3c54bde5b8738153c"},"schema_version":"1.0"},"canonical_sha256":"c8deca3499549b43771f4b9bff92ab2c841a69deefd11ac14c6ac21e4b92f4f7","source":{"kind":"arxiv","id":"1805.01235","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.01235","created_at":"2026-05-18T00:16:52Z"},{"alias_kind":"arxiv_version","alias_value":"1805.01235v1","created_at":"2026-05-18T00:16:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.01235","created_at":"2026-05-18T00:16:52Z"},{"alias_kind":"pith_short_12","alias_value":"ZDPMUNEZKSNU","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_16","alias_value":"ZDPMUNEZKSNUG5Y7","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_8","alias_value":"ZDPMUNEZ","created_at":"2026-05-18T12:33:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:ZDPMUNEZKSNUG5Y7JON77EVLFS","target":"record","payload":{"canonical_record":{"source":{"id":"1805.01235","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-05-03T11:38:32Z","cross_cats_sorted":[],"title_canon_sha256":"36a16c736257833c4744eb5fce0e18f47f109b26f4b7f45d69acc36a8f1f7ac3","abstract_canon_sha256":"f1438f8e375b5edecffb4badba7557c4b6dbe88cbe1005f3c54bde5b8738153c"},"schema_version":"1.0"},"canonical_sha256":"c8deca3499549b43771f4b9bff92ab2c841a69deefd11ac14c6ac21e4b92f4f7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:16:52.121800Z","signature_b64":"cWLtDlspxa+hEjacCvEApPP8F2U5y5tvnk5FCuNvkZBk9U74XgGr9xsuPpdE9xw1G6aEkCEd/gRRGhuATuNuAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c8deca3499549b43771f4b9bff92ab2c841a69deefd11ac14c6ac21e4b92f4f7","last_reissued_at":"2026-05-18T00:16:52.121095Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:16:52.121095Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1805.01235","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:16:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OpcnpuF2VJpmN/OxPDhnTEt18elE65Wf7WeKVVk175LqdjF5NpcdSo5tyGeCMK7/iLalywuvz66TDfIGzVMQDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T23:23:59.296776Z"},"content_sha256":"b88ade8f1251e95d3759f71c0510b6340f7ec326cc3da16d139c088505274783","schema_version":"1.0","event_id":"sha256:b88ade8f1251e95d3759f71c0510b6340f7ec326cc3da16d139c088505274783"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:ZDPMUNEZKSNUG5Y7JON77EVLFS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Optimization of the pulse width and injection time in a double-pass laser amplifier","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Daewoong Park, Jihoon Jeong, Tae Jun Yu","submitted_at":"2018-05-03T11:38:32Z","abstract_excerpt":"We have optimized the input pulse width and injection time to achieve the highest possible output pulse energy in a double-pass laser amplifier. For this purpose, we have extended the modified Frantz-Nodvik equation by simultaneously including both spontaneous emission and pump energy variation. The maximum achieved fluence of the output pulse was 2.4 J/$cm^2$. An input pulse energy of 1 J could be maximally amplified to output pulse energy of 12.17 J, where the optimal values of the pulse width and injection time of the input pulse were 168 {\\mu}s and 10 {\\mu}s, respectively, with the effecti"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.01235","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:16:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Qx/PHtwasvUvbcR1cVuCPAeRpX3VyA7RYY0l+sSUNo21hJFeFW2JbWvwuRAbvx1tJNq3yuPPVFm1zCHLsnw5Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T23:23:59.297449Z"},"content_sha256":"df4957260e77beb9e58216187d3895ee467a790074de1acf6d5fa955e238ef6a","schema_version":"1.0","event_id":"sha256:df4957260e77beb9e58216187d3895ee467a790074de1acf6d5fa955e238ef6a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZDPMUNEZKSNUG5Y7JON77EVLFS/bundle.json","state_url":"https://pith.science/pith/ZDPMUNEZKSNUG5Y7JON77EVLFS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZDPMUNEZKSNUG5Y7JON77EVLFS/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-19T23:23:59Z","links":{"resolver":"https://pith.science/pith/ZDPMUNEZKSNUG5Y7JON77EVLFS","bundle":"https://pith.science/pith/ZDPMUNEZKSNUG5Y7JON77EVLFS/bundle.json","state":"https://pith.science/pith/ZDPMUNEZKSNUG5Y7JON77EVLFS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZDPMUNEZKSNUG5Y7JON77EVLFS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:ZDPMUNEZKSNUG5Y7JON77EVLFS","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":"f1438f8e375b5edecffb4badba7557c4b6dbe88cbe1005f3c54bde5b8738153c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-05-03T11:38:32Z","title_canon_sha256":"36a16c736257833c4744eb5fce0e18f47f109b26f4b7f45d69acc36a8f1f7ac3"},"schema_version":"1.0","source":{"id":"1805.01235","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.01235","created_at":"2026-05-18T00:16:52Z"},{"alias_kind":"arxiv_version","alias_value":"1805.01235v1","created_at":"2026-05-18T00:16:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.01235","created_at":"2026-05-18T00:16:52Z"},{"alias_kind":"pith_short_12","alias_value":"ZDPMUNEZKSNU","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_16","alias_value":"ZDPMUNEZKSNUG5Y7","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_8","alias_value":"ZDPMUNEZ","created_at":"2026-05-18T12:33:07Z"}],"graph_snapshots":[{"event_id":"sha256:df4957260e77beb9e58216187d3895ee467a790074de1acf6d5fa955e238ef6a","target":"graph","created_at":"2026-05-18T00:16:52Z","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 have optimized the input pulse width and injection time to achieve the highest possible output pulse energy in a double-pass laser amplifier. For this purpose, we have extended the modified Frantz-Nodvik equation by simultaneously including both spontaneous emission and pump energy variation. The maximum achieved fluence of the output pulse was 2.4 J/$cm^2$. An input pulse energy of 1 J could be maximally amplified to output pulse energy of 12.17 J, where the optimal values of the pulse width and injection time of the input pulse were 168 {\\mu}s and 10 {\\mu}s, respectively, with the effecti","authors_text":"Daewoong Park, Jihoon Jeong, Tae Jun Yu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-05-03T11:38:32Z","title":"Optimization of the pulse width and injection time in a double-pass laser amplifier"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.01235","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:b88ade8f1251e95d3759f71c0510b6340f7ec326cc3da16d139c088505274783","target":"record","created_at":"2026-05-18T00:16:52Z","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":"f1438f8e375b5edecffb4badba7557c4b6dbe88cbe1005f3c54bde5b8738153c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-05-03T11:38:32Z","title_canon_sha256":"36a16c736257833c4744eb5fce0e18f47f109b26f4b7f45d69acc36a8f1f7ac3"},"schema_version":"1.0","source":{"id":"1805.01235","kind":"arxiv","version":1}},"canonical_sha256":"c8deca3499549b43771f4b9bff92ab2c841a69deefd11ac14c6ac21e4b92f4f7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c8deca3499549b43771f4b9bff92ab2c841a69deefd11ac14c6ac21e4b92f4f7","first_computed_at":"2026-05-18T00:16:52.121095Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:16:52.121095Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cWLtDlspxa+hEjacCvEApPP8F2U5y5tvnk5FCuNvkZBk9U74XgGr9xsuPpdE9xw1G6aEkCEd/gRRGhuATuNuAg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:16:52.121800Z","signed_message":"canonical_sha256_bytes"},"source_id":"1805.01235","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b88ade8f1251e95d3759f71c0510b6340f7ec326cc3da16d139c088505274783","sha256:df4957260e77beb9e58216187d3895ee467a790074de1acf6d5fa955e238ef6a"],"state_sha256":"7614ee8275a0ca72509448a3c8d3913c9c2b08ff75376ae17c3f439fdb7cdccf"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jIpBxk1GVDk7DvIYJwC6/8DEB3DqDx7SpSHZ1K9qK6jV0yVkm31g7J07ZRaWCtEciL2MVOMKLk/qE3GwYuTbCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-19T23:23:59.301341Z","bundle_sha256":"c2ec898043754e4d9646d87d98539dc64a222056091843b23452250908e40d82"}}