{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:ADVX4URDN22CY53RBWRLBVQDNL","short_pith_number":"pith:ADVX4URD","canonical_record":{"source":{"id":"1112.1285","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2011-12-06T14:21:40Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"ceeb15421f258b5348277d527c7de046c50e308a1761709ea842e811cabf14be","abstract_canon_sha256":"8e76c9e5f83062835f846b787342cbf5dbb9d299b4b9cf9d18c8cc026f513f42"},"schema_version":"1.0"},"canonical_sha256":"00eb7e52236eb42c77710da2b0d6036aed634fd01c21a72bb5e2a0d743e0a9f6","source":{"kind":"arxiv","id":"1112.1285","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1112.1285","created_at":"2026-05-18T02:21:27Z"},{"alias_kind":"arxiv_version","alias_value":"1112.1285v1","created_at":"2026-05-18T02:21:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1112.1285","created_at":"2026-05-18T02:21:27Z"},{"alias_kind":"pith_short_12","alias_value":"ADVX4URDN22C","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_16","alias_value":"ADVX4URDN22CY53R","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_8","alias_value":"ADVX4URD","created_at":"2026-05-18T12:26:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:ADVX4URDN22CY53RBWRLBVQDNL","target":"record","payload":{"canonical_record":{"source":{"id":"1112.1285","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2011-12-06T14:21:40Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"ceeb15421f258b5348277d527c7de046c50e308a1761709ea842e811cabf14be","abstract_canon_sha256":"8e76c9e5f83062835f846b787342cbf5dbb9d299b4b9cf9d18c8cc026f513f42"},"schema_version":"1.0"},"canonical_sha256":"00eb7e52236eb42c77710da2b0d6036aed634fd01c21a72bb5e2a0d743e0a9f6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:21:27.773781Z","signature_b64":"hgR1Ptws+09n9js017nEP3bkZ4+h0nXWzv/MZ7Ge1DqpjHNpHETnbAyxfiaw/LSkx5Hliyi7xEnHk+Sy++8GAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"00eb7e52236eb42c77710da2b0d6036aed634fd01c21a72bb5e2a0d743e0a9f6","last_reissued_at":"2026-05-18T02:21:27.773111Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:21:27.773111Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1112.1285","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":"2026-05-18T02:21:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VpLKHdTkP9dBP6oV7MMfR/q1cKCzcUwT8SXpVohH6uQevkZfE0X9SpFdWTJL4MbMl+8Qz57/C839eJk2fW8xAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T22:39:15.268834Z"},"content_sha256":"1b6d8eadcb7179811aa17782eb0f3762b981b0c36f9657669d8b295e41d21901","schema_version":"1.0","event_id":"sha256:1b6d8eadcb7179811aa17782eb0f3762b981b0c36f9657669d8b295e41d21901"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:ADVX4URDN22CY53RBWRLBVQDNL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Note on the single-shock solutions of the Korteweg-de Vries-Burgers equation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"physics.space-ph","authors_text":"Frank Verheest, Ioannis Kourakis, Sharmin Sultana","submitted_at":"2011-12-06T14:21:40Z","abstract_excerpt":"The well-known shock solutions of the Korteweg-de Vries-Burgers equation are revisited, together with their limitations in the context of plasma (astro)physical applications. Although available in the literature for a long time, it seems to have been forgotten in recent papers that such shocks are monotonic and unique, for a given plasma configuration, and cannot show oscillatory or bell-shaped features. This uniqueness is contrasted to solitary wave solutions of the two parent equations (Korteweg-de Vries and Burgers), which form a family of curves parameterized by the excess velocity over th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1112.1285","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":"2026-05-18T02:21:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ryv46wKK35ba7ou01wSsBWAj6/aHTXNW4u4Tgf/YbRfUggt/IMDjwKWBBfBNxLW6cLeKoYGsDGxgsBODNeCvBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T22:39:15.269351Z"},"content_sha256":"e6d7f7e3be38f2a5a6347699fa12fa666981e8b207f96349d36b60d1299c417a","schema_version":"1.0","event_id":"sha256:e6d7f7e3be38f2a5a6347699fa12fa666981e8b207f96349d36b60d1299c417a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ADVX4URDN22CY53RBWRLBVQDNL/bundle.json","state_url":"https://pith.science/pith/ADVX4URDN22CY53RBWRLBVQDNL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ADVX4URDN22CY53RBWRLBVQDNL/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":"2026-05-27T22:39:15Z","links":{"resolver":"https://pith.science/pith/ADVX4URDN22CY53RBWRLBVQDNL","bundle":"https://pith.science/pith/ADVX4URDN22CY53RBWRLBVQDNL/bundle.json","state":"https://pith.science/pith/ADVX4URDN22CY53RBWRLBVQDNL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ADVX4URDN22CY53RBWRLBVQDNL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:ADVX4URDN22CY53RBWRLBVQDNL","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":"8e76c9e5f83062835f846b787342cbf5dbb9d299b4b9cf9d18c8cc026f513f42","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2011-12-06T14:21:40Z","title_canon_sha256":"ceeb15421f258b5348277d527c7de046c50e308a1761709ea842e811cabf14be"},"schema_version":"1.0","source":{"id":"1112.1285","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1112.1285","created_at":"2026-05-18T02:21:27Z"},{"alias_kind":"arxiv_version","alias_value":"1112.1285v1","created_at":"2026-05-18T02:21:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1112.1285","created_at":"2026-05-18T02:21:27Z"},{"alias_kind":"pith_short_12","alias_value":"ADVX4URDN22C","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_16","alias_value":"ADVX4URDN22CY53R","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_8","alias_value":"ADVX4URD","created_at":"2026-05-18T12:26:24Z"}],"graph_snapshots":[{"event_id":"sha256:e6d7f7e3be38f2a5a6347699fa12fa666981e8b207f96349d36b60d1299c417a","target":"graph","created_at":"2026-05-18T02:21:27Z","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":"The well-known shock solutions of the Korteweg-de Vries-Burgers equation are revisited, together with their limitations in the context of plasma (astro)physical applications. Although available in the literature for a long time, it seems to have been forgotten in recent papers that such shocks are monotonic and unique, for a given plasma configuration, and cannot show oscillatory or bell-shaped features. This uniqueness is contrasted to solitary wave solutions of the two parent equations (Korteweg-de Vries and Burgers), which form a family of curves parameterized by the excess velocity over th","authors_text":"Frank Verheest, Ioannis Kourakis, Sharmin Sultana","cross_cats":["astro-ph.IM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2011-12-06T14:21:40Z","title":"Note on the single-shock solutions of the Korteweg-de Vries-Burgers equation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1112.1285","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":"sha256:1b6d8eadcb7179811aa17782eb0f3762b981b0c36f9657669d8b295e41d21901","target":"record","created_at":"2026-05-18T02:21:27Z","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":"8e76c9e5f83062835f846b787342cbf5dbb9d299b4b9cf9d18c8cc026f513f42","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2011-12-06T14:21:40Z","title_canon_sha256":"ceeb15421f258b5348277d527c7de046c50e308a1761709ea842e811cabf14be"},"schema_version":"1.0","source":{"id":"1112.1285","kind":"arxiv","version":1}},"canonical_sha256":"00eb7e52236eb42c77710da2b0d6036aed634fd01c21a72bb5e2a0d743e0a9f6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"00eb7e52236eb42c77710da2b0d6036aed634fd01c21a72bb5e2a0d743e0a9f6","first_computed_at":"2026-05-18T02:21:27.773111Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:21:27.773111Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hgR1Ptws+09n9js017nEP3bkZ4+h0nXWzv/MZ7Ge1DqpjHNpHETnbAyxfiaw/LSkx5Hliyi7xEnHk+Sy++8GAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:21:27.773781Z","signed_message":"canonical_sha256_bytes"},"source_id":"1112.1285","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1b6d8eadcb7179811aa17782eb0f3762b981b0c36f9657669d8b295e41d21901","sha256:e6d7f7e3be38f2a5a6347699fa12fa666981e8b207f96349d36b60d1299c417a"],"state_sha256":"1c9a7486885f01a08f8b476272b68fc7fe7892d8b27c228e8d65803b3de82a7a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vfAbnlKjpMBaEoqPN9UzGu/5a24U3EQIVN83cMll2Tb4MIhgkRrwohR3f4UefsHuwrxkfPnMMmwBLxcWL068AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T22:39:15.272739Z","bundle_sha256":"135602b8a5f790bee70c11b38ba292c0604a492a8141f5661fabcfcf3e6bdbfa"}}