{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:CWWLMTPSLVD4PDG7IEHFWZ44HD","short_pith_number":"pith:CWWLMTPS","canonical_record":{"source":{"id":"1908.07400","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2019-08-20T14:44:19Z","cross_cats_sorted":[],"title_canon_sha256":"56e13064dbb553fd8805df118013cea69c1f9a374e1c4edb9d2e2f72f95d4798","abstract_canon_sha256":"4f77c69463aad712879c9956c0c924bd10f2197939eb853e830bbb77f3aff0f9"},"schema_version":"1.0"},"canonical_sha256":"15acb64df25d47c78cdf410e5b679c38e53c8b5b50f708a2b8162c8e7f58eed0","source":{"kind":"arxiv","id":"1908.07400","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.07400","created_at":"2026-07-04T23:58:58Z"},{"alias_kind":"arxiv_version","alias_value":"1908.07400v1","created_at":"2026-07-04T23:58:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.07400","created_at":"2026-07-04T23:58:58Z"},{"alias_kind":"pith_short_12","alias_value":"CWWLMTPSLVD4","created_at":"2026-07-04T23:58:58Z"},{"alias_kind":"pith_short_16","alias_value":"CWWLMTPSLVD4PDG7","created_at":"2026-07-04T23:58:58Z"},{"alias_kind":"pith_short_8","alias_value":"CWWLMTPS","created_at":"2026-07-04T23:58:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:CWWLMTPSLVD4PDG7IEHFWZ44HD","target":"record","payload":{"canonical_record":{"source":{"id":"1908.07400","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2019-08-20T14:44:19Z","cross_cats_sorted":[],"title_canon_sha256":"56e13064dbb553fd8805df118013cea69c1f9a374e1c4edb9d2e2f72f95d4798","abstract_canon_sha256":"4f77c69463aad712879c9956c0c924bd10f2197939eb853e830bbb77f3aff0f9"},"schema_version":"1.0"},"canonical_sha256":"15acb64df25d47c78cdf410e5b679c38e53c8b5b50f708a2b8162c8e7f58eed0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T23:58:58.803849Z","signature_b64":"6sGcj28aKKEXS8+uWba5eRXORjDeAzyPMRE4iXSoeoKALlCaw9iohNQ2PeSalnnqb4J/keqX4QLt0LJbvgv3DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"15acb64df25d47c78cdf410e5b679c38e53c8b5b50f708a2b8162c8e7f58eed0","last_reissued_at":"2026-07-04T23:58:58.803354Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T23:58:58.803354Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1908.07400","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":"2026-07-04T23:58:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+wb4gbR11G7s3ZI+3NhMqiSeyW/kciyMe4qDowwpEiDTXVf6jDP/3U9EVlRFUDPKAKmWZQRKGntgSnbDJC34Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T10:29:38.016341Z"},"content_sha256":"37e32a1a47dea0f28705f47077a95123ee7a9967ac9d83f2bc5d12fd8ad4477a","schema_version":"1.0","event_id":"sha256:37e32a1a47dea0f28705f47077a95123ee7a9967ac9d83f2bc5d12fd8ad4477a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:CWWLMTPSLVD4PDG7IEHFWZ44HD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Models of light-like charges with non-geodesic world lines","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Christian G. Boehmer, Peter A. Hogan","submitted_at":"2019-08-20T14:44:19Z","abstract_excerpt":"Massless particles in General Relativity move with the speed of light, their trajectories in spacetime are described by null geodesics. This is independent of the electrical charge of the particle being considered, however, the charged light-like case is less well understood. Starting with the Maxwell field of a charged particle having a light-like geodesic world line in Minkowskian space-time we construct the Maxwell field of such a particle having a non-geodesic, light-like world line. The necessary geometry in the neighbourhood of an arbitrary null world line in Minkowskian space-time is de"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.07400","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1908.07400/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T23:58:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GuUx6sfO4tnrkd8MM9FNIP/ifFUtuJMkVmH5U836ahH+IDpHb6tBdw/yl3Re4XCaoDSqG5HPrxLseNlIeMtUBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T10:29:38.016887Z"},"content_sha256":"38ff1aa4feb935500de8200aedf6cf8004bde48f0f6e4a50ebf3730801e8d0c8","schema_version":"1.0","event_id":"sha256:38ff1aa4feb935500de8200aedf6cf8004bde48f0f6e4a50ebf3730801e8d0c8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CWWLMTPSLVD4PDG7IEHFWZ44HD/bundle.json","state_url":"https://pith.science/pith/CWWLMTPSLVD4PDG7IEHFWZ44HD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CWWLMTPSLVD4PDG7IEHFWZ44HD/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":"2026-08-16T10:29:38Z","links":{"resolver":"https://pith.science/pith/CWWLMTPSLVD4PDG7IEHFWZ44HD","bundle":"https://pith.science/pith/CWWLMTPSLVD4PDG7IEHFWZ44HD/bundle.json","state":"https://pith.science/pith/CWWLMTPSLVD4PDG7IEHFWZ44HD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CWWLMTPSLVD4PDG7IEHFWZ44HD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:CWWLMTPSLVD4PDG7IEHFWZ44HD","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":"4f77c69463aad712879c9956c0c924bd10f2197939eb853e830bbb77f3aff0f9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2019-08-20T14:44:19Z","title_canon_sha256":"56e13064dbb553fd8805df118013cea69c1f9a374e1c4edb9d2e2f72f95d4798"},"schema_version":"1.0","source":{"id":"1908.07400","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.07400","created_at":"2026-07-04T23:58:58Z"},{"alias_kind":"arxiv_version","alias_value":"1908.07400v1","created_at":"2026-07-04T23:58:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.07400","created_at":"2026-07-04T23:58:58Z"},{"alias_kind":"pith_short_12","alias_value":"CWWLMTPSLVD4","created_at":"2026-07-04T23:58:58Z"},{"alias_kind":"pith_short_16","alias_value":"CWWLMTPSLVD4PDG7","created_at":"2026-07-04T23:58:58Z"},{"alias_kind":"pith_short_8","alias_value":"CWWLMTPS","created_at":"2026-07-04T23:58:58Z"}],"graph_snapshots":[{"event_id":"sha256:38ff1aa4feb935500de8200aedf6cf8004bde48f0f6e4a50ebf3730801e8d0c8","target":"graph","created_at":"2026-07-04T23:58:58Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/1908.07400/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Massless particles in General Relativity move with the speed of light, their trajectories in spacetime are described by null geodesics. This is independent of the electrical charge of the particle being considered, however, the charged light-like case is less well understood. Starting with the Maxwell field of a charged particle having a light-like geodesic world line in Minkowskian space-time we construct the Maxwell field of such a particle having a non-geodesic, light-like world line. The necessary geometry in the neighbourhood of an arbitrary null world line in Minkowskian space-time is de","authors_text":"Christian G. Boehmer, Peter A. Hogan","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2019-08-20T14:44:19Z","title":"Models of light-like charges with non-geodesic world lines"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.07400","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":"sha256:37e32a1a47dea0f28705f47077a95123ee7a9967ac9d83f2bc5d12fd8ad4477a","target":"record","created_at":"2026-07-04T23:58:58Z","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":"4f77c69463aad712879c9956c0c924bd10f2197939eb853e830bbb77f3aff0f9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2019-08-20T14:44:19Z","title_canon_sha256":"56e13064dbb553fd8805df118013cea69c1f9a374e1c4edb9d2e2f72f95d4798"},"schema_version":"1.0","source":{"id":"1908.07400","kind":"arxiv","version":1}},"canonical_sha256":"15acb64df25d47c78cdf410e5b679c38e53c8b5b50f708a2b8162c8e7f58eed0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"15acb64df25d47c78cdf410e5b679c38e53c8b5b50f708a2b8162c8e7f58eed0","first_computed_at":"2026-07-04T23:58:58.803354Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T23:58:58.803354Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6sGcj28aKKEXS8+uWba5eRXORjDeAzyPMRE4iXSoeoKALlCaw9iohNQ2PeSalnnqb4J/keqX4QLt0LJbvgv3DQ==","signature_status":"signed_v1","signed_at":"2026-07-04T23:58:58.803849Z","signed_message":"canonical_sha256_bytes"},"source_id":"1908.07400","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:37e32a1a47dea0f28705f47077a95123ee7a9967ac9d83f2bc5d12fd8ad4477a","sha256:38ff1aa4feb935500de8200aedf6cf8004bde48f0f6e4a50ebf3730801e8d0c8"],"state_sha256":"ab8951869281ac070abde5c6380f052af6efd9245fdf6689675fe80846e65ed6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YRKRPWPBTCKc/zrzvLO3Y0khoyv/9Vbj+ROneWGeqTZrQKgRFB9yi5he87Sdoo86xSzGofPcv6951Krx1KR4Bg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-16T10:29:38.026179Z","bundle_sha256":"759eecb317927c374f8856278fda3f1220acd97873d8327c9eebc71a6cb38842"}}