{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:VQOJWFMEDMDJYVIWBVCV5RFTOG","short_pith_number":"pith:VQOJWFME","canonical_record":{"source":{"id":"1204.0744","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2012-04-03T17:36:47Z","cross_cats_sorted":[],"title_canon_sha256":"69465c888a8a9da2275d58fa28013a36c116815b5c20703b570d7688f2aae040","abstract_canon_sha256":"8be4242f891070f5948381f67fc0683efac30e8f72b2cc853b8ceb8f9eac158a"},"schema_version":"1.0"},"canonical_sha256":"ac1c9b15841b069c55160d455ec4b371a7f5fbbbd795c32489078bc8c81a4072","source":{"kind":"arxiv","id":"1204.0744","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.0744","created_at":"2026-05-18T03:58:38Z"},{"alias_kind":"arxiv_version","alias_value":"1204.0744v1","created_at":"2026-05-18T03:58:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.0744","created_at":"2026-05-18T03:58:38Z"},{"alias_kind":"pith_short_12","alias_value":"VQOJWFMEDMDJ","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_16","alias_value":"VQOJWFMEDMDJYVIW","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_8","alias_value":"VQOJWFME","created_at":"2026-05-18T12:27:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:VQOJWFMEDMDJYVIWBVCV5RFTOG","target":"record","payload":{"canonical_record":{"source":{"id":"1204.0744","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2012-04-03T17:36:47Z","cross_cats_sorted":[],"title_canon_sha256":"69465c888a8a9da2275d58fa28013a36c116815b5c20703b570d7688f2aae040","abstract_canon_sha256":"8be4242f891070f5948381f67fc0683efac30e8f72b2cc853b8ceb8f9eac158a"},"schema_version":"1.0"},"canonical_sha256":"ac1c9b15841b069c55160d455ec4b371a7f5fbbbd795c32489078bc8c81a4072","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:58:38.611728Z","signature_b64":"cWRm+xLhq9ZvjmYdUgMOAMb+RDbZINlCF1mBX9eDz+acA3oQ192U5U95R2lIs/6jpFKbfX42LX9JSYAv0pBsCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ac1c9b15841b069c55160d455ec4b371a7f5fbbbd795c32489078bc8c81a4072","last_reissued_at":"2026-05-18T03:58:38.611275Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:58:38.611275Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1204.0744","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":"2026-05-18T03:58:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6MtPLaAiT8nL7pZZBLyCoMeeihenGAxp7U2ypiNHNUKNpyIGvpCdZsaQdgEvaXE6nXuQj34B8WQdlpznyX0ZBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T02:38:14.075777Z"},"content_sha256":"133397ed7b0c88be707cd70bad9f21eb43e9bced5bbe35aa77367bf8246e6ab2","schema_version":"1.0","event_id":"sha256:133397ed7b0c88be707cd70bad9f21eb43e9bced5bbe35aa77367bf8246e6ab2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:VQOJWFMEDMDJYVIWBVCV5RFTOG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Impulsive gravitational waves of massless particles in extended theories of gravity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Morteza Mohseni","submitted_at":"2012-04-03T17:36:47Z","abstract_excerpt":"We investigate the vacuum pp-wave and Aichelburg-Sexl-type solutions in f(R) and the modified Gauss-Bonnet theories of gravity with both minimal and nonminimal couplings between matter and geometry. In each case, we obtain the necessary condition for the theory to admit the solution and examine it for several specific models. We show that the wave profiles are the same or proportional to the general relativistic one."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.0744","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":"2026-05-18T03:58:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LcaPnU1pa68t1GAe8wYvz4uLd71OZtkCDaqH0TLtV0FQX/iNnW8trYT9RTK/L1E6MT/VlC0CIWV8GaPyTskZCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T02:38:14.076521Z"},"content_sha256":"3d056f19aa1bb1baf23a8c6ac5f21bf19ad33805b01e5711247ddcdd8f9d63c0","schema_version":"1.0","event_id":"sha256:3d056f19aa1bb1baf23a8c6ac5f21bf19ad33805b01e5711247ddcdd8f9d63c0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VQOJWFMEDMDJYVIWBVCV5RFTOG/bundle.json","state_url":"https://pith.science/pith/VQOJWFMEDMDJYVIWBVCV5RFTOG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VQOJWFMEDMDJYVIWBVCV5RFTOG/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":"2026-06-01T02:38:14Z","links":{"resolver":"https://pith.science/pith/VQOJWFMEDMDJYVIWBVCV5RFTOG","bundle":"https://pith.science/pith/VQOJWFMEDMDJYVIWBVCV5RFTOG/bundle.json","state":"https://pith.science/pith/VQOJWFMEDMDJYVIWBVCV5RFTOG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VQOJWFMEDMDJYVIWBVCV5RFTOG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:VQOJWFMEDMDJYVIWBVCV5RFTOG","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":"8be4242f891070f5948381f67fc0683efac30e8f72b2cc853b8ceb8f9eac158a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2012-04-03T17:36:47Z","title_canon_sha256":"69465c888a8a9da2275d58fa28013a36c116815b5c20703b570d7688f2aae040"},"schema_version":"1.0","source":{"id":"1204.0744","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.0744","created_at":"2026-05-18T03:58:38Z"},{"alias_kind":"arxiv_version","alias_value":"1204.0744v1","created_at":"2026-05-18T03:58:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.0744","created_at":"2026-05-18T03:58:38Z"},{"alias_kind":"pith_short_12","alias_value":"VQOJWFMEDMDJ","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_16","alias_value":"VQOJWFMEDMDJYVIW","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_8","alias_value":"VQOJWFME","created_at":"2026-05-18T12:27:25Z"}],"graph_snapshots":[{"event_id":"sha256:3d056f19aa1bb1baf23a8c6ac5f21bf19ad33805b01e5711247ddcdd8f9d63c0","target":"graph","created_at":"2026-05-18T03:58:38Z","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 investigate the vacuum pp-wave and Aichelburg-Sexl-type solutions in f(R) and the modified Gauss-Bonnet theories of gravity with both minimal and nonminimal couplings between matter and geometry. In each case, we obtain the necessary condition for the theory to admit the solution and examine it for several specific models. We show that the wave profiles are the same or proportional to the general relativistic one.","authors_text":"Morteza Mohseni","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2012-04-03T17:36:47Z","title":"Impulsive gravitational waves of massless particles in extended theories of gravity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.0744","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":"sha256:133397ed7b0c88be707cd70bad9f21eb43e9bced5bbe35aa77367bf8246e6ab2","target":"record","created_at":"2026-05-18T03:58:38Z","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":"8be4242f891070f5948381f67fc0683efac30e8f72b2cc853b8ceb8f9eac158a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2012-04-03T17:36:47Z","title_canon_sha256":"69465c888a8a9da2275d58fa28013a36c116815b5c20703b570d7688f2aae040"},"schema_version":"1.0","source":{"id":"1204.0744","kind":"arxiv","version":1}},"canonical_sha256":"ac1c9b15841b069c55160d455ec4b371a7f5fbbbd795c32489078bc8c81a4072","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ac1c9b15841b069c55160d455ec4b371a7f5fbbbd795c32489078bc8c81a4072","first_computed_at":"2026-05-18T03:58:38.611275Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:58:38.611275Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cWRm+xLhq9ZvjmYdUgMOAMb+RDbZINlCF1mBX9eDz+acA3oQ192U5U95R2lIs/6jpFKbfX42LX9JSYAv0pBsCw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:58:38.611728Z","signed_message":"canonical_sha256_bytes"},"source_id":"1204.0744","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:133397ed7b0c88be707cd70bad9f21eb43e9bced5bbe35aa77367bf8246e6ab2","sha256:3d056f19aa1bb1baf23a8c6ac5f21bf19ad33805b01e5711247ddcdd8f9d63c0"],"state_sha256":"a1b781cd8ab561870f64aaf17cceaa936bda80bdde24227ba450920539e2f903"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EgXAfxPPNh0zaCLyQPj8O48Omgr3YyCLJEdTaKjJkvFPUoGgQTEWvMo4z2/9iQ13Gz7C32Rwj1iA4xDj4ituDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T02:38:14.079840Z","bundle_sha256":"318f12f6770b0135ba1a7b14cdca32628c099fbb7bfcbd232c48fe67e5b13af6"}}