{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:NHTYDQFHOSPZFTBFVXXTUS2G4D","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":"d091add67af08bf8c18a97e4559818acd323133ce081bbe1b99c2ff9a8c4913f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2008-07-01T23:39:48Z","title_canon_sha256":"1bb3ef1da251260daace21c7e76dec1ffde35c2cbd5d99489c26c3ac5474c4f5"},"schema_version":"1.0","source":{"id":"0807.0255","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0807.0255","created_at":"2026-05-18T02:35:15Z"},{"alias_kind":"arxiv_version","alias_value":"0807.0255v2","created_at":"2026-05-18T02:35:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0807.0255","created_at":"2026-05-18T02:35:15Z"},{"alias_kind":"pith_short_12","alias_value":"NHTYDQFHOSPZ","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_16","alias_value":"NHTYDQFHOSPZFTBF","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_8","alias_value":"NHTYDQFH","created_at":"2026-05-18T12:25:57Z"}],"graph_snapshots":[{"event_id":"sha256:ecf332ef165b62a446fdab368a9f22490f93621bbf4447080cce2d62fc9db4b8","target":"graph","created_at":"2026-05-18T02:35:15Z","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 show that in the framework of the teleparallel equivalent of general relativity the gravitational energy-momentum of plane-fronted gravitational waves contained in an arbitrary three-dimensional volume V may be easily obtained and is non-negative in the frame of static observers.","authors_text":"J. W. Maluf, S. C. Ulhoa","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2008-07-01T23:39:48Z","title":"The energy-momentum of plane-fronted gravitational waves in the teleparallel equivalent of GR"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0807.0255","kind":"arxiv","version":2},"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":"sha256:6bded87a025d48752aba4b593b5affb03f8d10948ebf5f17bc0a2417a909c328","target":"record","created_at":"2026-05-18T02:35:15Z","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":"d091add67af08bf8c18a97e4559818acd323133ce081bbe1b99c2ff9a8c4913f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2008-07-01T23:39:48Z","title_canon_sha256":"1bb3ef1da251260daace21c7e76dec1ffde35c2cbd5d99489c26c3ac5474c4f5"},"schema_version":"1.0","source":{"id":"0807.0255","kind":"arxiv","version":2}},"canonical_sha256":"69e781c0a7749f92cc25adef3a4b46e0fc2b2714b25a1a2cd0c7cca7d226fc2d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"69e781c0a7749f92cc25adef3a4b46e0fc2b2714b25a1a2cd0c7cca7d226fc2d","first_computed_at":"2026-05-18T02:35:15.667525Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:35:15.667525Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IQFl1aJPOXlNZHChKc9TA2B2CjtoyOYXLwrjhUF3oG9+UiRU/8nlI+1nYE9lHlIHC6nBajq1BJG3fVANuteCAg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:35:15.667943Z","signed_message":"canonical_sha256_bytes"},"source_id":"0807.0255","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6bded87a025d48752aba4b593b5affb03f8d10948ebf5f17bc0a2417a909c328","sha256:ecf332ef165b62a446fdab368a9f22490f93621bbf4447080cce2d62fc9db4b8"],"state_sha256":"1a827a4b153d749f95ec52f730d0750302048c40d2bf89ae3b6a5bd3bf365e45"}