{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:JRCMJ7YJ5MMJOCVYBFBBBMMDC5","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":"9841b2dab9fc86cbaaca1bea0b015b6abc06c621350f57f4c9ad53b2b7b46a7c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2019-01-25T18:33:52Z","title_canon_sha256":"7f3afd2455a430a156d098cb90a7478665c03a695d5567a73c5b2ddd46368804"},"schema_version":"1.0","source":{"id":"1901.09015","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.09015","created_at":"2026-05-17T23:43:27Z"},{"alias_kind":"arxiv_version","alias_value":"1901.09015v1","created_at":"2026-05-17T23:43:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.09015","created_at":"2026-05-17T23:43:27Z"},{"alias_kind":"pith_short_12","alias_value":"JRCMJ7YJ5MMJ","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_16","alias_value":"JRCMJ7YJ5MMJOCVY","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_8","alias_value":"JRCMJ7YJ","created_at":"2026-05-18T12:33:21Z"}],"graph_snapshots":[{"event_id":"sha256:1bbefa3b491435afbded95bbdfdc47d630184fb03f17cdcdfce15b0794d38066","target":"graph","created_at":"2026-05-17T23:43:27Z","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":"As new laser facilities are developed with intensities on the scale of 10^22 - 10^24 W cm^-2 , it becomes ever more important to understand the effect of strong field quantum electrodynamics processes, such as quantum radiation reaction, which will play a dominant role in laser-plasma interactions at these intensities. Recent all-optical experiments, where GeV electrons from a laser wakefield accelerator encountered a counter-propagating laser pulse with a_0 > 10, have produced evidence of radiation reaction, but have not conclusively identified quantum effects nor their most suitable theoreti","authors_text":"Christopher Arran, Christopher P. Ridgers, Elias Gerstmayr, Jason M. Cole, Stuart P. D. Mangles, Tom G. Blackburn","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2019-01-25T18:33:52Z","title":"Optimal Parameters for Radiation Reaction Experiments"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.09015","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":"sha256:3c5b6b4a68aef0f6a6bc6858e51b8c7a158aab4c7e62a91674eddd73bf001230","target":"record","created_at":"2026-05-17T23:43:27Z","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":"9841b2dab9fc86cbaaca1bea0b015b6abc06c621350f57f4c9ad53b2b7b46a7c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2019-01-25T18:33:52Z","title_canon_sha256":"7f3afd2455a430a156d098cb90a7478665c03a695d5567a73c5b2ddd46368804"},"schema_version":"1.0","source":{"id":"1901.09015","kind":"arxiv","version":1}},"canonical_sha256":"4c44c4ff09eb18970ab8094210b1831775826873c74137d719e57cce34d3b8d9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4c44c4ff09eb18970ab8094210b1831775826873c74137d719e57cce34d3b8d9","first_computed_at":"2026-05-17T23:43:27.983944Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:43:27.983944Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qPtXrbsgydl8aJFTCrqrMGQ9oYohI1/NxkPTs5loXl52AVwVBnuu5EpcxlPhR3jWDhJPktEoRIQHE4B5PfFsCQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:43:27.984361Z","signed_message":"canonical_sha256_bytes"},"source_id":"1901.09015","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3c5b6b4a68aef0f6a6bc6858e51b8c7a158aab4c7e62a91674eddd73bf001230","sha256:1bbefa3b491435afbded95bbdfdc47d630184fb03f17cdcdfce15b0794d38066"],"state_sha256":"768d8c4e67a6cacff740be3d8231b10c1cc62e600a4e215b46c801e199a06616"}