{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2003:DCUAUAGABOSWZUP2XXOILV6DDM","short_pith_number":"pith:DCUAUAGA","canonical_record":{"source":{"id":"gr-qc/0303105","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"gr-qc","submitted_at":"2003-03-26T15:25:51Z","cross_cats_sorted":[],"title_canon_sha256":"1f8a7d13b90873509ad91f752e550a8373799fa5a3eff5d0eb93cf3c495b8fdd","abstract_canon_sha256":"63492c7dd6d56eb03575898d1236b8d91d4df0189a8fceef2f9cbf8ebd28d6be"},"schema_version":"1.0"},"canonical_sha256":"18a80a00c00ba56cd1fabddc85d7c31b35859822087e230718773ac8971a01e5","source":{"kind":"arxiv","id":"gr-qc/0303105","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"gr-qc/0303105","created_at":"2026-05-18T00:37:31Z"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/0303105v1","created_at":"2026-05-18T00:37:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/0303105","created_at":"2026-05-18T00:37:31Z"},{"alias_kind":"pith_short_12","alias_value":"DCUAUAGABOSW","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_16","alias_value":"DCUAUAGABOSWZUP2","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_8","alias_value":"DCUAUAGA","created_at":"2026-05-18T12:25:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2003:DCUAUAGABOSWZUP2XXOILV6DDM","target":"record","payload":{"canonical_record":{"source":{"id":"gr-qc/0303105","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"gr-qc","submitted_at":"2003-03-26T15:25:51Z","cross_cats_sorted":[],"title_canon_sha256":"1f8a7d13b90873509ad91f752e550a8373799fa5a3eff5d0eb93cf3c495b8fdd","abstract_canon_sha256":"63492c7dd6d56eb03575898d1236b8d91d4df0189a8fceef2f9cbf8ebd28d6be"},"schema_version":"1.0"},"canonical_sha256":"18a80a00c00ba56cd1fabddc85d7c31b35859822087e230718773ac8971a01e5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:37:31.931205Z","signature_b64":"NV6w573q/2FHcVasQzxSENc76Urle30shtaxKTGsdxrEFMHJfOwf2WFdFWfKouYoHet+phefp6Y1aZObkaNdBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"18a80a00c00ba56cd1fabddc85d7c31b35859822087e230718773ac8971a01e5","last_reissued_at":"2026-05-18T00:37:31.930810Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:37:31.930810Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"gr-qc/0303105","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":"2026-05-18T00:37:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"D792I1cD8slsDu+AM3EVdsd/QFmF+9qci5hnIkTjv8q+nZ05SdpbVgLWx/lOqtdzC9qtPlvpo3CH6RxW1xa/BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T20:15:03.857477Z"},"content_sha256":"b477b7309e985bea6aa20e77a212e60d831e6643d09efb3b17563aa24f2949c6","schema_version":"1.0","event_id":"sha256:b477b7309e985bea6aa20e77a212e60d831e6643d09efb3b17563aa24f2949c6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2003:DCUAUAGABOSWZUP2XXOILV6DDM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A gravitational shock wave generated by a beam of null matter in quadratic gravity","license":"","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"E. C. de Rey Neto, J. C. N. de Araujo, O. D. Aguiar","submitted_at":"2003-03-26T15:25:51Z","abstract_excerpt":"In the present work we approximate an ultrarelativistic jet by a homogeneous beam of null matter with finite width. Then, we study the influence of this beam over the space-time metric in the framework of higher-derivative gravity. We find an exact shock wave solution of the quadratic gravity field equations and compare it with the solution to Einstein's gravity. We show that the effect of higher-curvature gravity becomes negligible at large distances from the beam axis. We also observe that only the Ricci-squared term contribute to modify the Einstein's gravity prediction. Furthermore, we not"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/0303105","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":""},"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":"2026-05-18T00:37:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5NT4IuVTTKVeoXXe7ZKq1hdrUO2FuPuwKPalxWnk1U8z1CMJ/Z6MmPwRYzAQeygym0jij8lrm30ugO/MPBJHDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T20:15:03.858119Z"},"content_sha256":"2350c3e31c373f06298975202844bb3fb26545cc7b40599c703d688c64bfac72","schema_version":"1.0","event_id":"sha256:2350c3e31c373f06298975202844bb3fb26545cc7b40599c703d688c64bfac72"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DCUAUAGABOSWZUP2XXOILV6DDM/bundle.json","state_url":"https://pith.science/pith/DCUAUAGABOSWZUP2XXOILV6DDM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DCUAUAGABOSWZUP2XXOILV6DDM/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":"2026-05-28T20:15:03Z","links":{"resolver":"https://pith.science/pith/DCUAUAGABOSWZUP2XXOILV6DDM","bundle":"https://pith.science/pith/DCUAUAGABOSWZUP2XXOILV6DDM/bundle.json","state":"https://pith.science/pith/DCUAUAGABOSWZUP2XXOILV6DDM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DCUAUAGABOSWZUP2XXOILV6DDM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:DCUAUAGABOSWZUP2XXOILV6DDM","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":"63492c7dd6d56eb03575898d1236b8d91d4df0189a8fceef2f9cbf8ebd28d6be","cross_cats_sorted":[],"license":"","primary_cat":"gr-qc","submitted_at":"2003-03-26T15:25:51Z","title_canon_sha256":"1f8a7d13b90873509ad91f752e550a8373799fa5a3eff5d0eb93cf3c495b8fdd"},"schema_version":"1.0","source":{"id":"gr-qc/0303105","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"gr-qc/0303105","created_at":"2026-05-18T00:37:31Z"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/0303105v1","created_at":"2026-05-18T00:37:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/0303105","created_at":"2026-05-18T00:37:31Z"},{"alias_kind":"pith_short_12","alias_value":"DCUAUAGABOSW","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_16","alias_value":"DCUAUAGABOSWZUP2","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_8","alias_value":"DCUAUAGA","created_at":"2026-05-18T12:25:51Z"}],"graph_snapshots":[{"event_id":"sha256:2350c3e31c373f06298975202844bb3fb26545cc7b40599c703d688c64bfac72","target":"graph","created_at":"2026-05-18T00:37:31Z","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":"In the present work we approximate an ultrarelativistic jet by a homogeneous beam of null matter with finite width. Then, we study the influence of this beam over the space-time metric in the framework of higher-derivative gravity. We find an exact shock wave solution of the quadratic gravity field equations and compare it with the solution to Einstein's gravity. We show that the effect of higher-curvature gravity becomes negligible at large distances from the beam axis. We also observe that only the Ricci-squared term contribute to modify the Einstein's gravity prediction. Furthermore, we not","authors_text":"E. C. de Rey Neto, J. C. N. de Araujo, O. D. Aguiar","cross_cats":[],"headline":"","license":"","primary_cat":"gr-qc","submitted_at":"2003-03-26T15:25:51Z","title":"A gravitational shock wave generated by a beam of null matter in quadratic gravity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/0303105","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:b477b7309e985bea6aa20e77a212e60d831e6643d09efb3b17563aa24f2949c6","target":"record","created_at":"2026-05-18T00:37:31Z","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":"63492c7dd6d56eb03575898d1236b8d91d4df0189a8fceef2f9cbf8ebd28d6be","cross_cats_sorted":[],"license":"","primary_cat":"gr-qc","submitted_at":"2003-03-26T15:25:51Z","title_canon_sha256":"1f8a7d13b90873509ad91f752e550a8373799fa5a3eff5d0eb93cf3c495b8fdd"},"schema_version":"1.0","source":{"id":"gr-qc/0303105","kind":"arxiv","version":1}},"canonical_sha256":"18a80a00c00ba56cd1fabddc85d7c31b35859822087e230718773ac8971a01e5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"18a80a00c00ba56cd1fabddc85d7c31b35859822087e230718773ac8971a01e5","first_computed_at":"2026-05-18T00:37:31.930810Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:37:31.930810Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NV6w573q/2FHcVasQzxSENc76Urle30shtaxKTGsdxrEFMHJfOwf2WFdFWfKouYoHet+phefp6Y1aZObkaNdBw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:37:31.931205Z","signed_message":"canonical_sha256_bytes"},"source_id":"gr-qc/0303105","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b477b7309e985bea6aa20e77a212e60d831e6643d09efb3b17563aa24f2949c6","sha256:2350c3e31c373f06298975202844bb3fb26545cc7b40599c703d688c64bfac72"],"state_sha256":"dc1837681c02335cff178181fd62b5a4c602c8bb58c146bdc743487ed993e7cc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XId2Z3OgFuXKpXXuGNSYD0hPgl69eMZ3v59maOnLMUVmTE6PZqNfdU3YVR9YzaOaArzt3jqqGeyWDJPCL5jXAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T20:15:03.861594Z","bundle_sha256":"1f7fb0fe6bd7d96a353aa4ff81a865d3c00af2333bdaa26dd1abb510855bbd57"}}