{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:UVACVVS4X7SDSED2TEPEQJMRGT","short_pith_number":"pith:UVACVVS4","canonical_record":{"source":{"id":"2408.05481","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.class-ph","submitted_at":"2024-08-10T08:18:12Z","cross_cats_sorted":["hep-ph","physics.comp-ph","physics.ed-ph"],"title_canon_sha256":"2a4024d367f14e906b271bb90f1d0d6dc43e9d94d7b9681def7fdd991dec3b64","abstract_canon_sha256":"30ae7512b11f588ad5cfc5ffb6fbfff22694ad33763b98ab3565aa3eefad6208"},"schema_version":"1.0"},"canonical_sha256":"a5402ad65cbfe439107a991e48259134d2251d849081aa84cc7868223da0c861","source":{"kind":"arxiv","id":"2408.05481","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2408.05481","created_at":"2026-07-05T11:10:00Z"},{"alias_kind":"arxiv_version","alias_value":"2408.05481v3","created_at":"2026-07-05T11:10:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2408.05481","created_at":"2026-07-05T11:10:00Z"},{"alias_kind":"pith_short_12","alias_value":"UVACVVS4X7SD","created_at":"2026-07-05T11:10:00Z"},{"alias_kind":"pith_short_16","alias_value":"UVACVVS4X7SDSED2","created_at":"2026-07-05T11:10:00Z"},{"alias_kind":"pith_short_8","alias_value":"UVACVVS4","created_at":"2026-07-05T11:10:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:UVACVVS4X7SDSED2TEPEQJMRGT","target":"record","payload":{"canonical_record":{"source":{"id":"2408.05481","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.class-ph","submitted_at":"2024-08-10T08:18:12Z","cross_cats_sorted":["hep-ph","physics.comp-ph","physics.ed-ph"],"title_canon_sha256":"2a4024d367f14e906b271bb90f1d0d6dc43e9d94d7b9681def7fdd991dec3b64","abstract_canon_sha256":"30ae7512b11f588ad5cfc5ffb6fbfff22694ad33763b98ab3565aa3eefad6208"},"schema_version":"1.0"},"canonical_sha256":"a5402ad65cbfe439107a991e48259134d2251d849081aa84cc7868223da0c861","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:10:00.212488Z","signature_b64":"PSGDaEOwdIPwFjLrlJNpAEZnwKQeTBzZB9n+EJqYGQ/i+yLoP7fbSPZvnK/CkOOL2jVu65uxo3Bd2innkJn5BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a5402ad65cbfe439107a991e48259134d2251d849081aa84cc7868223da0c861","last_reissued_at":"2026-07-05T11:10:00.211881Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:10:00.211881Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2408.05481","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T11:10:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rcyJmHFGt/GgBLmGYoH0cd/pwUh5MTUDu3i5yW1dxojHL1rzbMbb+P3AyWifw6fHKWsd80zRz/eNF8HwyDKjAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T11:40:20.327879Z"},"content_sha256":"9e59e6043858a069b087060ee88149388884d74de5d93568416646a7a7b2b528","schema_version":"1.0","event_id":"sha256:9e59e6043858a069b087060ee88149388884d74de5d93568416646a7a7b2b528"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:UVACVVS4X7SDSED2TEPEQJMRGT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Covariant Electromagnetism in Past-Light-Cone Formalism","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-ph","physics.comp-ph","physics.ed-ph"],"primary_cat":"physics.class-ph","authors_text":"Daiju Nakayama, Kin-ya Oda, Koichiro Yasuda","submitted_at":"2024-08-10T08:18:12Z","abstract_excerpt":"We present a manifestly covariant formulation of relativistic electromagnetism, focusing on the computation of electromagnetic fields from moving charges in a manifestly Lorentz-covariant manner. The electromagnetic field at a given spacetime point is determined by the motion of point charges at the intersection of their worldlines with the past light cone of the spacetime point, ensuring causal consistency. This formalism provides a manifestly covariant generalization of the Li\\'enard-Wiechert potentials and allows direct implementation on computers. We compare our formulation with standard t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2408.05481","kind":"arxiv","version":3},"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/2408.05481/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":"2026-07-05T11:10:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xmBe7xVsj1PG75MoqyEIf4T7ui58LkPqjckkLryPux/8rz7fz21LKtSdxllSa74nchXlvJ3aoVc5IEYl+CpDAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T11:40:20.329420Z"},"content_sha256":"8063f89f55b717e944a50b6483fde7e1860936ce9dc21cc5ea22653f554c794c","schema_version":"1.0","event_id":"sha256:8063f89f55b717e944a50b6483fde7e1860936ce9dc21cc5ea22653f554c794c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UVACVVS4X7SDSED2TEPEQJMRGT/bundle.json","state_url":"https://pith.science/pith/UVACVVS4X7SDSED2TEPEQJMRGT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UVACVVS4X7SDSED2TEPEQJMRGT/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":"2026-08-13T11:40:20Z","links":{"resolver":"https://pith.science/pith/UVACVVS4X7SDSED2TEPEQJMRGT","bundle":"https://pith.science/pith/UVACVVS4X7SDSED2TEPEQJMRGT/bundle.json","state":"https://pith.science/pith/UVACVVS4X7SDSED2TEPEQJMRGT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UVACVVS4X7SDSED2TEPEQJMRGT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:UVACVVS4X7SDSED2TEPEQJMRGT","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":"30ae7512b11f588ad5cfc5ffb6fbfff22694ad33763b98ab3565aa3eefad6208","cross_cats_sorted":["hep-ph","physics.comp-ph","physics.ed-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.class-ph","submitted_at":"2024-08-10T08:18:12Z","title_canon_sha256":"2a4024d367f14e906b271bb90f1d0d6dc43e9d94d7b9681def7fdd991dec3b64"},"schema_version":"1.0","source":{"id":"2408.05481","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2408.05481","created_at":"2026-07-05T11:10:00Z"},{"alias_kind":"arxiv_version","alias_value":"2408.05481v3","created_at":"2026-07-05T11:10:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2408.05481","created_at":"2026-07-05T11:10:00Z"},{"alias_kind":"pith_short_12","alias_value":"UVACVVS4X7SD","created_at":"2026-07-05T11:10:00Z"},{"alias_kind":"pith_short_16","alias_value":"UVACVVS4X7SDSED2","created_at":"2026-07-05T11:10:00Z"},{"alias_kind":"pith_short_8","alias_value":"UVACVVS4","created_at":"2026-07-05T11:10:00Z"}],"graph_snapshots":[{"event_id":"sha256:8063f89f55b717e944a50b6483fde7e1860936ce9dc21cc5ea22653f554c794c","target":"graph","created_at":"2026-07-05T11:10:00Z","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/2408.05481/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present a manifestly covariant formulation of relativistic electromagnetism, focusing on the computation of electromagnetic fields from moving charges in a manifestly Lorentz-covariant manner. The electromagnetic field at a given spacetime point is determined by the motion of point charges at the intersection of their worldlines with the past light cone of the spacetime point, ensuring causal consistency. This formalism provides a manifestly covariant generalization of the Li\\'enard-Wiechert potentials and allows direct implementation on computers. We compare our formulation with standard t","authors_text":"Daiju Nakayama, Kin-ya Oda, Koichiro Yasuda","cross_cats":["hep-ph","physics.comp-ph","physics.ed-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.class-ph","submitted_at":"2024-08-10T08:18:12Z","title":"Covariant Electromagnetism in Past-Light-Cone Formalism"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2408.05481","kind":"arxiv","version":3},"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":"sha256:9e59e6043858a069b087060ee88149388884d74de5d93568416646a7a7b2b528","target":"record","created_at":"2026-07-05T11:10:00Z","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":"30ae7512b11f588ad5cfc5ffb6fbfff22694ad33763b98ab3565aa3eefad6208","cross_cats_sorted":["hep-ph","physics.comp-ph","physics.ed-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.class-ph","submitted_at":"2024-08-10T08:18:12Z","title_canon_sha256":"2a4024d367f14e906b271bb90f1d0d6dc43e9d94d7b9681def7fdd991dec3b64"},"schema_version":"1.0","source":{"id":"2408.05481","kind":"arxiv","version":3}},"canonical_sha256":"a5402ad65cbfe439107a991e48259134d2251d849081aa84cc7868223da0c861","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a5402ad65cbfe439107a991e48259134d2251d849081aa84cc7868223da0c861","first_computed_at":"2026-07-05T11:10:00.211881Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:10:00.211881Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PSGDaEOwdIPwFjLrlJNpAEZnwKQeTBzZB9n+EJqYGQ/i+yLoP7fbSPZvnK/CkOOL2jVu65uxo3Bd2innkJn5BA==","signature_status":"signed_v1","signed_at":"2026-07-05T11:10:00.212488Z","signed_message":"canonical_sha256_bytes"},"source_id":"2408.05481","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9e59e6043858a069b087060ee88149388884d74de5d93568416646a7a7b2b528","sha256:8063f89f55b717e944a50b6483fde7e1860936ce9dc21cc5ea22653f554c794c"],"state_sha256":"d7ae1dbdbd6509174d09ac9c6a04c5b3265ef2b03e4f7257a4a9415b8a927a44"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3SgA/jYxJ8x/jl/wQsndUGaWOfbZxg+/EObivhb9heul8y27gbFLuLOYc3H+PvWO3HZLT/8J74is4PVCvrtRBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-13T11:40:20.338679Z","bundle_sha256":"94fc8e4a8d7d162871776508ac07fe39a01ec76d26ec5f1e9d328f12d8e890a3"}}