{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:NPUGZ6CLVX2BQEWAMTAIPOM3YD","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":"939198601b9afe246fa528388647a4def86d7d77d87356646bdd014d5914cd0b","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2018-04-25T12:56:34Z","title_canon_sha256":"f1b8c392e56300cd7121d2304f18093630da2bbed7b4c8b73d67bc6ea06ec16b"},"schema_version":"1.0","source":{"id":"1804.09523","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.09523","created_at":"2026-05-18T00:17:31Z"},{"alias_kind":"arxiv_version","alias_value":"1804.09523v1","created_at":"2026-05-18T00:17:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.09523","created_at":"2026-05-18T00:17:31Z"},{"alias_kind":"pith_short_12","alias_value":"NPUGZ6CLVX2B","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_16","alias_value":"NPUGZ6CLVX2BQEWA","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_8","alias_value":"NPUGZ6CL","created_at":"2026-05-18T12:32:40Z"}],"graph_snapshots":[{"event_id":"sha256:cb82b68694ebadb1a7ca1db09b95e1861d1ac831904c0d0a4bfec6f7a4395da3","target":"graph","created_at":"2026-05-18T00:17:31Z","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":"Geometrical symmetry in a spacetime can generate test solutions to the Maxwell equation. We demonstrate that the source-free Maxwell equation is satisfied by any generator of spacetime self-similarity---a proper homothetic vector---identified with a vector potential of the Maxwell theory. The test fields obtained in this way share the scale symmetry of the background.","authors_text":"Takahisa Igata","cross_cats":["hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2018-04-25T12:56:34Z","title":"Construction of test Maxwell fields with scale symmetry"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.09523","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:a28f969b3410e3c4cba67ed7cc059782bed21bc397a2c35eaf5d8c92e0a7b951","target":"record","created_at":"2026-05-18T00:17:31Z","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":"939198601b9afe246fa528388647a4def86d7d77d87356646bdd014d5914cd0b","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2018-04-25T12:56:34Z","title_canon_sha256":"f1b8c392e56300cd7121d2304f18093630da2bbed7b4c8b73d67bc6ea06ec16b"},"schema_version":"1.0","source":{"id":"1804.09523","kind":"arxiv","version":1}},"canonical_sha256":"6be86cf84badf41812c064c087b99bc0ea0b181a539a719f73bf4510f0a5a4b1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6be86cf84badf41812c064c087b99bc0ea0b181a539a719f73bf4510f0a5a4b1","first_computed_at":"2026-05-18T00:17:31.566568Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:17:31.566568Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"pi0ZHmxeF9mf5zDzhq4tzm9xQjVnCQiXACiPWsg5XUHUFsIExuYXWD+SjGWbgfJsDW9+UWX8NL9mYAfk9+v6DA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:17:31.567040Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.09523","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a28f969b3410e3c4cba67ed7cc059782bed21bc397a2c35eaf5d8c92e0a7b951","sha256:cb82b68694ebadb1a7ca1db09b95e1861d1ac831904c0d0a4bfec6f7a4395da3"],"state_sha256":"d641aecf1a3abaabc0cedecb37173733dc359d06c96dae7c46d73ac17c0af86d"}