{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:BQXCZBEKDBP5NDZOA5BNIESWYB","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":"941458bff1da7a22da5eec13b772a53cc307d464cf8ff5fa3b8db117229aaa70","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2015-05-07T17:56:31Z","title_canon_sha256":"9fa4b23bd29b1f9f7bd93c430b9a4bfc0ee5a077c3a3bb61560cb0461452b636"},"schema_version":"1.0","source":{"id":"1505.01791","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1505.01791","created_at":"2026-05-18T00:42:18Z"},{"alias_kind":"arxiv_version","alias_value":"1505.01791v4","created_at":"2026-05-18T00:42:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1505.01791","created_at":"2026-05-18T00:42:18Z"},{"alias_kind":"pith_short_12","alias_value":"BQXCZBEKDBP5","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_16","alias_value":"BQXCZBEKDBP5NDZO","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_8","alias_value":"BQXCZBEK","created_at":"2026-05-18T12:29:14Z"}],"graph_snapshots":[{"event_id":"sha256:5de6289d990d858f35ccc47994a739055cdfe18705443e9cf49b9d916b3e9bb3","target":"graph","created_at":"2026-05-18T00:42:18Z","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":"We derive an exact solution belonging to Kundt class of spacetimes both with and without a cosmological constant that are minimally coupled to a free massless scalar field. We show the algebraic type of these solutions and give interpretation of the results. Subsequently, we look for solutions additionally containing an electromagnetic field satisfying nonlinear field equations.","authors_text":"O. Svitek, T. Tahamtan","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2015-05-07T17:56:31Z","title":"Kundt spacetimes minimally coupled to scalar field"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1505.01791","kind":"arxiv","version":4},"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:f8c434aebce5e9d6477ea2bf3402dc71a8cd941b24d1c9dd1b51754a0e877a2c","target":"record","created_at":"2026-05-18T00:42:18Z","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":"941458bff1da7a22da5eec13b772a53cc307d464cf8ff5fa3b8db117229aaa70","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2015-05-07T17:56:31Z","title_canon_sha256":"9fa4b23bd29b1f9f7bd93c430b9a4bfc0ee5a077c3a3bb61560cb0461452b636"},"schema_version":"1.0","source":{"id":"1505.01791","kind":"arxiv","version":4}},"canonical_sha256":"0c2e2c848a185fd68f2e0742d41256c0525d4206f40c68ac4c40acb35d29d680","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0c2e2c848a185fd68f2e0742d41256c0525d4206f40c68ac4c40acb35d29d680","first_computed_at":"2026-05-18T00:42:18.163509Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:42:18.163509Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8+7VZ+e3JHBqiIRIME/DMI4OR7jnJYfSJwet4I969q+igAg6PmyHNc89xOLrfPM2XPCrVWBQ3Q7Sp9upt53ZCA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:42:18.164124Z","signed_message":"canonical_sha256_bytes"},"source_id":"1505.01791","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f8c434aebce5e9d6477ea2bf3402dc71a8cd941b24d1c9dd1b51754a0e877a2c","sha256:5de6289d990d858f35ccc47994a739055cdfe18705443e9cf49b9d916b3e9bb3"],"state_sha256":"5fef6e3cca793ed89e01b0459332f2fba9844229043128b15d57e1d2b65a310d"}