{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:HBFVWNOPT2B5RV5JWHCZ3FDPYK","short_pith_number":"pith:HBFVWNOP","canonical_record":{"source":{"id":"1312.6827","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2013-12-24T14:35:25Z","cross_cats_sorted":[],"title_canon_sha256":"8e2e13752f6cebb9b7b3a7a0cf8794f29f99b64594caf9c2207e3b7c64f6d3f7","abstract_canon_sha256":"db5d0745c9eda2df23f5fc8738114074d2aee08e513baa0a268f8043497461a2"},"schema_version":"1.0"},"canonical_sha256":"384b5b35cf9e83d8d7a9b1c59d946fc2ae52ec7a0ec9ab3ee0bf7b28c0d85c37","source":{"kind":"arxiv","id":"1312.6827","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1312.6827","created_at":"2026-05-18T03:03:55Z"},{"alias_kind":"arxiv_version","alias_value":"1312.6827v1","created_at":"2026-05-18T03:03:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.6827","created_at":"2026-05-18T03:03:55Z"},{"alias_kind":"pith_short_12","alias_value":"HBFVWNOPT2B5","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_16","alias_value":"HBFVWNOPT2B5RV5J","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_8","alias_value":"HBFVWNOP","created_at":"2026-05-18T12:27:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:HBFVWNOPT2B5RV5JWHCZ3FDPYK","target":"record","payload":{"canonical_record":{"source":{"id":"1312.6827","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2013-12-24T14:35:25Z","cross_cats_sorted":[],"title_canon_sha256":"8e2e13752f6cebb9b7b3a7a0cf8794f29f99b64594caf9c2207e3b7c64f6d3f7","abstract_canon_sha256":"db5d0745c9eda2df23f5fc8738114074d2aee08e513baa0a268f8043497461a2"},"schema_version":"1.0"},"canonical_sha256":"384b5b35cf9e83d8d7a9b1c59d946fc2ae52ec7a0ec9ab3ee0bf7b28c0d85c37","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:03:55.932408Z","signature_b64":"jjx6FVjPcWargTae6+jYy++JuiD0aMmNbxEJ+xpdo7wzalbTOdirNcs9oohOfhaZy/znskb2xP3dx8hN1YB/Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"384b5b35cf9e83d8d7a9b1c59d946fc2ae52ec7a0ec9ab3ee0bf7b28c0d85c37","last_reissued_at":"2026-05-18T03:03:55.931599Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:03:55.931599Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1312.6827","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":"2026-05-18T03:03:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3wbZE7/py8cbVVYV/O20vS+84YjlNCg7xi0JerOeH9NI8ivABMqt8LQ77AoFXrWqM6FZf9AKdP7w/hbUnzVeBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T07:32:06.967185Z"},"content_sha256":"e8ab62355aedc4e7cb2904b6796619abb2ce6d8d6aff4f4d8d94163e22c6a6b2","schema_version":"1.0","event_id":"sha256:e8ab62355aedc4e7cb2904b6796619abb2ce6d8d6aff4f4d8d94163e22c6a6b2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:HBFVWNOPT2B5RV5JWHCZ3FDPYK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"An Optimal ODAM-Based Broadcast Algorithm for Vehicular Ad-Hoc Networks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.NI","authors_text":"Feng Xia, Jianhua Ma, Tong Fu, Weifeng Sun, Yu Sun","submitted_at":"2013-12-24T14:35:25Z","abstract_excerpt":"Broadcast routing has become an important research field for vehicular ad-hoc networks (VANETs) recently. However, the packet delivery rate is generally low in existing VANET broadcast routing protocols. Therefore, the design of an appropriate broadcast protocol based on the features of VANET has become a crucial part of the development of VANET. This paper analyzes the disadvantage of existing broadcast routing protocols in VANETs, and proposes an improved algorithm (namely ODAM-C) based on the ODAM (Optimized Dissemination of Alarm Messages) protocol. The ODAM-C algorithm improves the packet"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.6827","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":"2026-05-18T03:03:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2Ftn19Cn6RDsBmr/HC3x/OMQQHJGWZSldQcB6iFQkj3NYsughxh8NHwl9flYkpPTjwKSeiQIjcGD7eUQK4evBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T07:32:06.967549Z"},"content_sha256":"74542932f3d1a77c17167e45d47a59f1fafa1434a5aacf11fbefb997e9e0b24c","schema_version":"1.0","event_id":"sha256:74542932f3d1a77c17167e45d47a59f1fafa1434a5aacf11fbefb997e9e0b24c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HBFVWNOPT2B5RV5JWHCZ3FDPYK/bundle.json","state_url":"https://pith.science/pith/HBFVWNOPT2B5RV5JWHCZ3FDPYK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HBFVWNOPT2B5RV5JWHCZ3FDPYK/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":"2026-05-30T07:32:06Z","links":{"resolver":"https://pith.science/pith/HBFVWNOPT2B5RV5JWHCZ3FDPYK","bundle":"https://pith.science/pith/HBFVWNOPT2B5RV5JWHCZ3FDPYK/bundle.json","state":"https://pith.science/pith/HBFVWNOPT2B5RV5JWHCZ3FDPYK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HBFVWNOPT2B5RV5JWHCZ3FDPYK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:HBFVWNOPT2B5RV5JWHCZ3FDPYK","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":"db5d0745c9eda2df23f5fc8738114074d2aee08e513baa0a268f8043497461a2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2013-12-24T14:35:25Z","title_canon_sha256":"8e2e13752f6cebb9b7b3a7a0cf8794f29f99b64594caf9c2207e3b7c64f6d3f7"},"schema_version":"1.0","source":{"id":"1312.6827","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1312.6827","created_at":"2026-05-18T03:03:55Z"},{"alias_kind":"arxiv_version","alias_value":"1312.6827v1","created_at":"2026-05-18T03:03:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.6827","created_at":"2026-05-18T03:03:55Z"},{"alias_kind":"pith_short_12","alias_value":"HBFVWNOPT2B5","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_16","alias_value":"HBFVWNOPT2B5RV5J","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_8","alias_value":"HBFVWNOP","created_at":"2026-05-18T12:27:46Z"}],"graph_snapshots":[{"event_id":"sha256:74542932f3d1a77c17167e45d47a59f1fafa1434a5aacf11fbefb997e9e0b24c","target":"graph","created_at":"2026-05-18T03:03:55Z","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":"Broadcast routing has become an important research field for vehicular ad-hoc networks (VANETs) recently. However, the packet delivery rate is generally low in existing VANET broadcast routing protocols. Therefore, the design of an appropriate broadcast protocol based on the features of VANET has become a crucial part of the development of VANET. This paper analyzes the disadvantage of existing broadcast routing protocols in VANETs, and proposes an improved algorithm (namely ODAM-C) based on the ODAM (Optimized Dissemination of Alarm Messages) protocol. The ODAM-C algorithm improves the packet","authors_text":"Feng Xia, Jianhua Ma, Tong Fu, Weifeng Sun, Yu Sun","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2013-12-24T14:35:25Z","title":"An Optimal ODAM-Based Broadcast Algorithm for Vehicular Ad-Hoc Networks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.6827","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:e8ab62355aedc4e7cb2904b6796619abb2ce6d8d6aff4f4d8d94163e22c6a6b2","target":"record","created_at":"2026-05-18T03:03:55Z","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":"db5d0745c9eda2df23f5fc8738114074d2aee08e513baa0a268f8043497461a2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2013-12-24T14:35:25Z","title_canon_sha256":"8e2e13752f6cebb9b7b3a7a0cf8794f29f99b64594caf9c2207e3b7c64f6d3f7"},"schema_version":"1.0","source":{"id":"1312.6827","kind":"arxiv","version":1}},"canonical_sha256":"384b5b35cf9e83d8d7a9b1c59d946fc2ae52ec7a0ec9ab3ee0bf7b28c0d85c37","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"384b5b35cf9e83d8d7a9b1c59d946fc2ae52ec7a0ec9ab3ee0bf7b28c0d85c37","first_computed_at":"2026-05-18T03:03:55.931599Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:03:55.931599Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jjx6FVjPcWargTae6+jYy++JuiD0aMmNbxEJ+xpdo7wzalbTOdirNcs9oohOfhaZy/znskb2xP3dx8hN1YB/Aw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:03:55.932408Z","signed_message":"canonical_sha256_bytes"},"source_id":"1312.6827","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e8ab62355aedc4e7cb2904b6796619abb2ce6d8d6aff4f4d8d94163e22c6a6b2","sha256:74542932f3d1a77c17167e45d47a59f1fafa1434a5aacf11fbefb997e9e0b24c"],"state_sha256":"b0db2d4e7ec5d6f9b9e27994bf80da0ac88b9fdaf32a93314bbf6f992a14aaba"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0jX3LBT/LnWtpHdsN8bpd8O+iEHaR1W59Qe5fyPRzTv4ouXb5hGlA8YAnKIjlvdxG5bP6prxdLASGJgBGglaCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T07:32:06.969810Z","bundle_sha256":"17f4113869dd24283c411efc75753cd45148d216b4ef2c4b591c48a077ae0f6a"}}