{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:LS5TSJKVIQEKJM7ISR357LTU3B","short_pith_number":"pith:LS5TSJKV","canonical_record":{"source":{"id":"1812.06628","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2018-12-17T06:50:44Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"0e6345223e52c2275dde33c23edb6a09ecf680baefef5fb15ed4ccf5f700a706","abstract_canon_sha256":"61228f2338ace79902b5e26ba59ee477cf1ce9f1382cab499f70f3606d9b8f9c"},"schema_version":"1.0"},"canonical_sha256":"5cbb3925554408a4b3e89477dfae74d8454a8c0319dbf1cd7bda383c62f2600b","source":{"kind":"arxiv","id":"1812.06628","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.06628","created_at":"2026-05-17T23:44:58Z"},{"alias_kind":"arxiv_version","alias_value":"1812.06628v1","created_at":"2026-05-17T23:44:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.06628","created_at":"2026-05-17T23:44:58Z"},{"alias_kind":"pith_short_12","alias_value":"LS5TSJKVIQEK","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_16","alias_value":"LS5TSJKVIQEKJM7I","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_8","alias_value":"LS5TSJKV","created_at":"2026-05-18T12:32:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:LS5TSJKVIQEKJM7ISR357LTU3B","target":"record","payload":{"canonical_record":{"source":{"id":"1812.06628","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2018-12-17T06:50:44Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"0e6345223e52c2275dde33c23edb6a09ecf680baefef5fb15ed4ccf5f700a706","abstract_canon_sha256":"61228f2338ace79902b5e26ba59ee477cf1ce9f1382cab499f70f3606d9b8f9c"},"schema_version":"1.0"},"canonical_sha256":"5cbb3925554408a4b3e89477dfae74d8454a8c0319dbf1cd7bda383c62f2600b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:44:58.112663Z","signature_b64":"jc5xDb+PvkLihQIw1dcmnaoHfNLQCTzX7P1SuGM3QMcl+b1tweC9jPNIAfDQhnYKqwRmlIsPExsMTVyPLmnkDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5cbb3925554408a4b3e89477dfae74d8454a8c0319dbf1cd7bda383c62f2600b","last_reissued_at":"2026-05-17T23:44:58.111978Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:44:58.111978Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1812.06628","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":"2026-05-17T23:44:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BbChcWLmPCJcp/84KByaljkWOt1LFXWH1BN+tM/WrvhJVJTHRLgFHbr24HJtQgGtE04bK+zp8dIJRZEIkTroCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T09:01:45.203158Z"},"content_sha256":"59e66c1657c775ea31ee490ac0dc3e76e61a12f06a2557af498eae5554222a3f","schema_version":"1.0","event_id":"sha256:59e66c1657c775ea31ee490ac0dc3e76e61a12f06a2557af498eae5554222a3f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:LS5TSJKVIQEKJM7ISR357LTU3B","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Polarized light from the transportation of a matter-antimatter beam in a plasma","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"physics.plasm-ph","authors_text":"Christoph H. Keitel, Naveen Kumar, Ujjwal Sinha","submitted_at":"2018-12-17T06:50:44Z","abstract_excerpt":"A relativistic electron-positron beam propagating through a magnetized electron-ion plasma is shown to generate both circularly and linearly polarized synchrotron radiation. The degrees of circular and linear polarizations depend both on the density ratio of pair beam to background plasma and initial magnetization, and a maximum degree of circular polarization $\\langle P_\\textrm{circ}\\rangle \\approx 18\\%$ is found to occur for a tenuous pair beam. We demonstrate that the generation of circularly polarized radiation is intrinsically linked to asymmetric energy dissipation of the pair beam durin"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.06628","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":"2026-05-17T23:44:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0+SbjTC93wYEXEVM9Xn6EfhXm/gdA0ZTPMNAw0mz092D5XrYuy4Uvq5xKvmg23rwBPFWhmZiThrBJdhlbEX2CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T09:01:45.203519Z"},"content_sha256":"6506f7df536119080dd9a3cb2fc88b3fa4e3fa95dc7bc1362867a3430cda0d04","schema_version":"1.0","event_id":"sha256:6506f7df536119080dd9a3cb2fc88b3fa4e3fa95dc7bc1362867a3430cda0d04"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LS5TSJKVIQEKJM7ISR357LTU3B/bundle.json","state_url":"https://pith.science/pith/LS5TSJKVIQEKJM7ISR357LTU3B/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LS5TSJKVIQEKJM7ISR357LTU3B/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":"2026-07-07T09:01:45Z","links":{"resolver":"https://pith.science/pith/LS5TSJKVIQEKJM7ISR357LTU3B","bundle":"https://pith.science/pith/LS5TSJKVIQEKJM7ISR357LTU3B/bundle.json","state":"https://pith.science/pith/LS5TSJKVIQEKJM7ISR357LTU3B/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LS5TSJKVIQEKJM7ISR357LTU3B/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:LS5TSJKVIQEKJM7ISR357LTU3B","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":"61228f2338ace79902b5e26ba59ee477cf1ce9f1382cab499f70f3606d9b8f9c","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2018-12-17T06:50:44Z","title_canon_sha256":"0e6345223e52c2275dde33c23edb6a09ecf680baefef5fb15ed4ccf5f700a706"},"schema_version":"1.0","source":{"id":"1812.06628","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.06628","created_at":"2026-05-17T23:44:58Z"},{"alias_kind":"arxiv_version","alias_value":"1812.06628v1","created_at":"2026-05-17T23:44:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.06628","created_at":"2026-05-17T23:44:58Z"},{"alias_kind":"pith_short_12","alias_value":"LS5TSJKVIQEK","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_16","alias_value":"LS5TSJKVIQEKJM7I","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_8","alias_value":"LS5TSJKV","created_at":"2026-05-18T12:32:37Z"}],"graph_snapshots":[{"event_id":"sha256:6506f7df536119080dd9a3cb2fc88b3fa4e3fa95dc7bc1362867a3430cda0d04","target":"graph","created_at":"2026-05-17T23:44:58Z","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 relativistic electron-positron beam propagating through a magnetized electron-ion plasma is shown to generate both circularly and linearly polarized synchrotron radiation. The degrees of circular and linear polarizations depend both on the density ratio of pair beam to background plasma and initial magnetization, and a maximum degree of circular polarization $\\langle P_\\textrm{circ}\\rangle \\approx 18\\%$ is found to occur for a tenuous pair beam. We demonstrate that the generation of circularly polarized radiation is intrinsically linked to asymmetric energy dissipation of the pair beam durin","authors_text":"Christoph H. Keitel, Naveen Kumar, Ujjwal Sinha","cross_cats":["astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2018-12-17T06:50:44Z","title":"Polarized light from the transportation of a matter-antimatter beam in a plasma"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.06628","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":"sha256:59e66c1657c775ea31ee490ac0dc3e76e61a12f06a2557af498eae5554222a3f","target":"record","created_at":"2026-05-17T23:44:58Z","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":"61228f2338ace79902b5e26ba59ee477cf1ce9f1382cab499f70f3606d9b8f9c","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2018-12-17T06:50:44Z","title_canon_sha256":"0e6345223e52c2275dde33c23edb6a09ecf680baefef5fb15ed4ccf5f700a706"},"schema_version":"1.0","source":{"id":"1812.06628","kind":"arxiv","version":1}},"canonical_sha256":"5cbb3925554408a4b3e89477dfae74d8454a8c0319dbf1cd7bda383c62f2600b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5cbb3925554408a4b3e89477dfae74d8454a8c0319dbf1cd7bda383c62f2600b","first_computed_at":"2026-05-17T23:44:58.111978Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:44:58.111978Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jc5xDb+PvkLihQIw1dcmnaoHfNLQCTzX7P1SuGM3QMcl+b1tweC9jPNIAfDQhnYKqwRmlIsPExsMTVyPLmnkDw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:44:58.112663Z","signed_message":"canonical_sha256_bytes"},"source_id":"1812.06628","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:59e66c1657c775ea31ee490ac0dc3e76e61a12f06a2557af498eae5554222a3f","sha256:6506f7df536119080dd9a3cb2fc88b3fa4e3fa95dc7bc1362867a3430cda0d04"],"state_sha256":"639a476e36e6e68db7130dadbfc35447e00707ae27e698f4e743e288a78df1a5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"q5xADLV6hysVbHLOAolQAgO2XifXGE1JWulYgCUYZs1B6OzfkWvqLIcm2xoi0gZ/7dQuJsdNYIwoBtv5ulTUBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T09:01:45.205409Z","bundle_sha256":"b6c5376577131e43eee54a262ed45814c2f713a87082e6a5eb48022f2df0955e"}}