{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:43RNYM426JHFRF54A6FTHJEN6D","short_pith_number":"pith:43RNYM42","canonical_record":{"source":{"id":"1403.3633","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2014-03-14T16:28:23Z","cross_cats_sorted":[],"title_canon_sha256":"e9083327f10e6fc0ffa1d2bb61478e633fde260e07bee7a10bb7171a99983a79","abstract_canon_sha256":"3825c3adbe744993fa8f56e7f843786b6b015e83003dd173ddac21b7d35b058e"},"schema_version":"1.0"},"canonical_sha256":"e6e2dc339af24e5897bc078b33a48df0e4c12a1d2307d17d3d3596d3fbbeb435","source":{"kind":"arxiv","id":"1403.3633","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1403.3633","created_at":"2026-05-18T01:44:01Z"},{"alias_kind":"arxiv_version","alias_value":"1403.3633v1","created_at":"2026-05-18T01:44:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1403.3633","created_at":"2026-05-18T01:44:01Z"},{"alias_kind":"pith_short_12","alias_value":"43RNYM426JHF","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_16","alias_value":"43RNYM426JHFRF54","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_8","alias_value":"43RNYM42","created_at":"2026-05-18T12:28:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:43RNYM426JHFRF54A6FTHJEN6D","target":"record","payload":{"canonical_record":{"source":{"id":"1403.3633","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2014-03-14T16:28:23Z","cross_cats_sorted":[],"title_canon_sha256":"e9083327f10e6fc0ffa1d2bb61478e633fde260e07bee7a10bb7171a99983a79","abstract_canon_sha256":"3825c3adbe744993fa8f56e7f843786b6b015e83003dd173ddac21b7d35b058e"},"schema_version":"1.0"},"canonical_sha256":"e6e2dc339af24e5897bc078b33a48df0e4c12a1d2307d17d3d3596d3fbbeb435","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:44:01.076417Z","signature_b64":"OvgWxrOEkY29QMmrlThlWDXW5l4m8NzquFOkhRU/5jL8EugPFDMCM5nFOwayX/bWvJF9PKrZJUhfybYbw51WDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e6e2dc339af24e5897bc078b33a48df0e4c12a1d2307d17d3d3596d3fbbeb435","last_reissued_at":"2026-05-18T01:44:01.075921Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:44:01.075921Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1403.3633","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":"2026-05-18T01:44:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ISc3GIdExCQkjQxHswB7x0OSZtg4CPDmXDT9vY98erryuKqzAde+gA2vof3NcEZo8bNYB7kxfe4O0kjKDpHvAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T21:26:08.616917Z"},"content_sha256":"7c40ec44fd1a2e7390d32d47f5255f1ea7f5fe1100e69b201b2c3a574fd8a45b","schema_version":"1.0","event_id":"sha256:7c40ec44fd1a2e7390d32d47f5255f1ea7f5fe1100e69b201b2c3a574fd8a45b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:43RNYM426JHFRF54A6FTHJEN6D","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Generating 10~40MeV high quality monoenergetic electron beams using a 5TW 60fs laser at Tsinghua University","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.acc-ph","authors_text":"C. H. Pai, C. J. Zhang, C. X. Tang, F. Li, H. B. Chen, J. F. Hua, L. X. Yan, W. H. Huang, W. Lu, X. L. Xu, Y. C. Du, Y. P. Wu, Y. Wan","submitted_at":"2014-03-14T16:28:23Z","abstract_excerpt":"A unique facility for laser plasma physics and advanced accelerator research has been built recently at Tsinghua Universtiy. This system is based on Tsinghua Thomson scattering X-ray source (TTX), which combining an ultrafast TW laser with a synchronized 45MeV high brightness linac. In our recent laser wakefield acceleration experiments, we have obtained 10~40MeV high quality monoenergetic electron beams by running the laser at 5TW peak power. Under certain conditions, very low relative energy spread of a few percent can be achieved. Absolute charge calibration for three different scintillatin"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1403.3633","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":"2026-05-18T01:44:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"x/7bbKnWin6qqzvSfHjTWdgV3hgo7OfFjvfZcn5ueNh7GVi7PRp4TTGkR/Z2nLpE5cTl+HTJKVNag2qDbtERBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T21:26:08.617565Z"},"content_sha256":"88f50db4866e7afb93078bcc04b688344637e1010da66794093e292b9b2d8dd2","schema_version":"1.0","event_id":"sha256:88f50db4866e7afb93078bcc04b688344637e1010da66794093e292b9b2d8dd2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/43RNYM426JHFRF54A6FTHJEN6D/bundle.json","state_url":"https://pith.science/pith/43RNYM426JHFRF54A6FTHJEN6D/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/43RNYM426JHFRF54A6FTHJEN6D/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":"2026-05-25T21:26:08Z","links":{"resolver":"https://pith.science/pith/43RNYM426JHFRF54A6FTHJEN6D","bundle":"https://pith.science/pith/43RNYM426JHFRF54A6FTHJEN6D/bundle.json","state":"https://pith.science/pith/43RNYM426JHFRF54A6FTHJEN6D/state.json","well_known_bundle":"https://pith.science/.well-known/pith/43RNYM426JHFRF54A6FTHJEN6D/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:43RNYM426JHFRF54A6FTHJEN6D","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":"3825c3adbe744993fa8f56e7f843786b6b015e83003dd173ddac21b7d35b058e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2014-03-14T16:28:23Z","title_canon_sha256":"e9083327f10e6fc0ffa1d2bb61478e633fde260e07bee7a10bb7171a99983a79"},"schema_version":"1.0","source":{"id":"1403.3633","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1403.3633","created_at":"2026-05-18T01:44:01Z"},{"alias_kind":"arxiv_version","alias_value":"1403.3633v1","created_at":"2026-05-18T01:44:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1403.3633","created_at":"2026-05-18T01:44:01Z"},{"alias_kind":"pith_short_12","alias_value":"43RNYM426JHF","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_16","alias_value":"43RNYM426JHFRF54","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_8","alias_value":"43RNYM42","created_at":"2026-05-18T12:28:11Z"}],"graph_snapshots":[{"event_id":"sha256:88f50db4866e7afb93078bcc04b688344637e1010da66794093e292b9b2d8dd2","target":"graph","created_at":"2026-05-18T01:44:01Z","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":"A unique facility for laser plasma physics and advanced accelerator research has been built recently at Tsinghua Universtiy. This system is based on Tsinghua Thomson scattering X-ray source (TTX), which combining an ultrafast TW laser with a synchronized 45MeV high brightness linac. In our recent laser wakefield acceleration experiments, we have obtained 10~40MeV high quality monoenergetic electron beams by running the laser at 5TW peak power. Under certain conditions, very low relative energy spread of a few percent can be achieved. Absolute charge calibration for three different scintillatin","authors_text":"C. H. Pai, C. J. Zhang, C. X. Tang, F. Li, H. B. Chen, J. F. Hua, L. X. Yan, W. H. Huang, W. Lu, X. L. Xu, Y. C. Du, Y. P. Wu, Y. Wan","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2014-03-14T16:28:23Z","title":"Generating 10~40MeV high quality monoenergetic electron beams using a 5TW 60fs laser at Tsinghua University"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1403.3633","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":"sha256:7c40ec44fd1a2e7390d32d47f5255f1ea7f5fe1100e69b201b2c3a574fd8a45b","target":"record","created_at":"2026-05-18T01:44:01Z","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":"3825c3adbe744993fa8f56e7f843786b6b015e83003dd173ddac21b7d35b058e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2014-03-14T16:28:23Z","title_canon_sha256":"e9083327f10e6fc0ffa1d2bb61478e633fde260e07bee7a10bb7171a99983a79"},"schema_version":"1.0","source":{"id":"1403.3633","kind":"arxiv","version":1}},"canonical_sha256":"e6e2dc339af24e5897bc078b33a48df0e4c12a1d2307d17d3d3596d3fbbeb435","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e6e2dc339af24e5897bc078b33a48df0e4c12a1d2307d17d3d3596d3fbbeb435","first_computed_at":"2026-05-18T01:44:01.075921Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:44:01.075921Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OvgWxrOEkY29QMmrlThlWDXW5l4m8NzquFOkhRU/5jL8EugPFDMCM5nFOwayX/bWvJF9PKrZJUhfybYbw51WDw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:44:01.076417Z","signed_message":"canonical_sha256_bytes"},"source_id":"1403.3633","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7c40ec44fd1a2e7390d32d47f5255f1ea7f5fe1100e69b201b2c3a574fd8a45b","sha256:88f50db4866e7afb93078bcc04b688344637e1010da66794093e292b9b2d8dd2"],"state_sha256":"35d651b845615aa421a321407cad38824ae6a47d5b75c030dca31f48af4653d9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"buzOFv3TXbpGUhj0E8TMYfKgsLuz/37kahb6o2fzeQ/EB5BiaHYzjFe//oUf4Md/VtJ0K3AnDrnjcup9ZJF2Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T21:26:08.620842Z","bundle_sha256":"91d2c650eb9f705a9c7bff99f95fb5305c2eff58bbdefeb7a03c60410b07bd03"}}