{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:HBAZMYC4LRFSQV42JGABVKICE6","short_pith_number":"pith:HBAZMYC4","canonical_record":{"source":{"id":"1801.02839","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2018-01-09T08:48:13Z","cross_cats_sorted":["astro-ph.HE","gr-qc"],"title_canon_sha256":"9b070569d014fd728811fbf91961e49e6041d05d7914196c8104bc129f92e7ef","abstract_canon_sha256":"51f438920dd28a60f379511eeb3453fb2a268922b2a6f69c4a992ee9d787a5f3"},"schema_version":"1.0"},"canonical_sha256":"384196605c5c4b28579a49801aa902278ea3befc445ae0152086a6291f60d9a5","source":{"kind":"arxiv","id":"1801.02839","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.02839","created_at":"2026-05-18T00:14:59Z"},{"alias_kind":"arxiv_version","alias_value":"1801.02839v2","created_at":"2026-05-18T00:14:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.02839","created_at":"2026-05-18T00:14:59Z"},{"alias_kind":"pith_short_12","alias_value":"HBAZMYC4LRFS","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_16","alias_value":"HBAZMYC4LRFSQV42","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_8","alias_value":"HBAZMYC4","created_at":"2026-05-18T12:32:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:HBAZMYC4LRFSQV42JGABVKICE6","target":"record","payload":{"canonical_record":{"source":{"id":"1801.02839","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2018-01-09T08:48:13Z","cross_cats_sorted":["astro-ph.HE","gr-qc"],"title_canon_sha256":"9b070569d014fd728811fbf91961e49e6041d05d7914196c8104bc129f92e7ef","abstract_canon_sha256":"51f438920dd28a60f379511eeb3453fb2a268922b2a6f69c4a992ee9d787a5f3"},"schema_version":"1.0"},"canonical_sha256":"384196605c5c4b28579a49801aa902278ea3befc445ae0152086a6291f60d9a5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:14:59.602936Z","signature_b64":"o1zzvQIDTjdfKkf3Kf9MezTfOUWt/dG9I8gFJuL7B8O/ibTmdrY1Donz7on2ktFF72qp6+EC6N+S8/Hg4buzBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"384196605c5c4b28579a49801aa902278ea3befc445ae0152086a6291f60d9a5","last_reissued_at":"2026-05-18T00:14:59.602250Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:14:59.602250Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1801.02839","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:14:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hBDsOUG4eWsDot/C3ZW7kMr3P20foA5ABs+3aiENbO7ukOE3U9w789u8okKyaH0h+ZJ/NZZSAG+pCSmd85aUCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T13:49:51.907095Z"},"content_sha256":"2f4c3faf78f8eacb305c955c950aa8d8623d91b1bb48bf6e57c5d3f58ae09a58","schema_version":"1.0","event_id":"sha256:2f4c3faf78f8eacb305c955c950aa8d8623d91b1bb48bf6e57c5d3f58ae09a58"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:HBAZMYC4LRFSQV42JGABVKICE6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"ADER discontinuous Galerkin schemes for general-relativistic ideal magnetohydrodynamics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE","gr-qc"],"primary_cat":"physics.comp-ph","authors_text":"Francesco Fambri, Luciano Rezzolla, Michael Dumbser, Olindo Zanotti, Sven K\\\"oppel","submitted_at":"2018-01-09T08:48:13Z","abstract_excerpt":"We present a new class of high-order accurate numerical algorithms for solving the equations of general-relativistic ideal magnetohydrodynamics in curved spacetimes. In this paper we assume the background spacetime to be given and static, i.e., we make use of the Cowling approximation. The governing partial differential equations are solved via a new family of fully-discrete and arbitrary high-order accurate path-conservative discontinuous Galerkin (DG) finite-element methods combined with adaptive mesh refinement and time accurate local timestepping. In order to deal with shock waves and othe"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.02839","kind":"arxiv","version":2},"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":"2026-05-18T00:14:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QumUsd4DGhYD24zJpZYSaqZMuCt3IozQxaitAiSuJyPiYm9uMS0SwaKz1AVocrMW22QfRLYm9//cBT5bboZuBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T13:49:51.907759Z"},"content_sha256":"a37c1b90c63cce77f6839aa2dec29e646efa81f2c276b171f760fa04166ecba3","schema_version":"1.0","event_id":"sha256:a37c1b90c63cce77f6839aa2dec29e646efa81f2c276b171f760fa04166ecba3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HBAZMYC4LRFSQV42JGABVKICE6/bundle.json","state_url":"https://pith.science/pith/HBAZMYC4LRFSQV42JGABVKICE6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HBAZMYC4LRFSQV42JGABVKICE6/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":"2026-05-27T13:49:51Z","links":{"resolver":"https://pith.science/pith/HBAZMYC4LRFSQV42JGABVKICE6","bundle":"https://pith.science/pith/HBAZMYC4LRFSQV42JGABVKICE6/bundle.json","state":"https://pith.science/pith/HBAZMYC4LRFSQV42JGABVKICE6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HBAZMYC4LRFSQV42JGABVKICE6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:HBAZMYC4LRFSQV42JGABVKICE6","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":"51f438920dd28a60f379511eeb3453fb2a268922b2a6f69c4a992ee9d787a5f3","cross_cats_sorted":["astro-ph.HE","gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2018-01-09T08:48:13Z","title_canon_sha256":"9b070569d014fd728811fbf91961e49e6041d05d7914196c8104bc129f92e7ef"},"schema_version":"1.0","source":{"id":"1801.02839","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.02839","created_at":"2026-05-18T00:14:59Z"},{"alias_kind":"arxiv_version","alias_value":"1801.02839v2","created_at":"2026-05-18T00:14:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.02839","created_at":"2026-05-18T00:14:59Z"},{"alias_kind":"pith_short_12","alias_value":"HBAZMYC4LRFS","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_16","alias_value":"HBAZMYC4LRFSQV42","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_8","alias_value":"HBAZMYC4","created_at":"2026-05-18T12:32:28Z"}],"graph_snapshots":[{"event_id":"sha256:a37c1b90c63cce77f6839aa2dec29e646efa81f2c276b171f760fa04166ecba3","target":"graph","created_at":"2026-05-18T00:14:59Z","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 present a new class of high-order accurate numerical algorithms for solving the equations of general-relativistic ideal magnetohydrodynamics in curved spacetimes. In this paper we assume the background spacetime to be given and static, i.e., we make use of the Cowling approximation. The governing partial differential equations are solved via a new family of fully-discrete and arbitrary high-order accurate path-conservative discontinuous Galerkin (DG) finite-element methods combined with adaptive mesh refinement and time accurate local timestepping. In order to deal with shock waves and othe","authors_text":"Francesco Fambri, Luciano Rezzolla, Michael Dumbser, Olindo Zanotti, Sven K\\\"oppel","cross_cats":["astro-ph.HE","gr-qc"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2018-01-09T08:48:13Z","title":"ADER discontinuous Galerkin schemes for general-relativistic ideal magnetohydrodynamics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.02839","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":"sha256:2f4c3faf78f8eacb305c955c950aa8d8623d91b1bb48bf6e57c5d3f58ae09a58","target":"record","created_at":"2026-05-18T00:14:59Z","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":"51f438920dd28a60f379511eeb3453fb2a268922b2a6f69c4a992ee9d787a5f3","cross_cats_sorted":["astro-ph.HE","gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2018-01-09T08:48:13Z","title_canon_sha256":"9b070569d014fd728811fbf91961e49e6041d05d7914196c8104bc129f92e7ef"},"schema_version":"1.0","source":{"id":"1801.02839","kind":"arxiv","version":2}},"canonical_sha256":"384196605c5c4b28579a49801aa902278ea3befc445ae0152086a6291f60d9a5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"384196605c5c4b28579a49801aa902278ea3befc445ae0152086a6291f60d9a5","first_computed_at":"2026-05-18T00:14:59.602250Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:14:59.602250Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"o1zzvQIDTjdfKkf3Kf9MezTfOUWt/dG9I8gFJuL7B8O/ibTmdrY1Donz7on2ktFF72qp6+EC6N+S8/Hg4buzBg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:14:59.602936Z","signed_message":"canonical_sha256_bytes"},"source_id":"1801.02839","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2f4c3faf78f8eacb305c955c950aa8d8623d91b1bb48bf6e57c5d3f58ae09a58","sha256:a37c1b90c63cce77f6839aa2dec29e646efa81f2c276b171f760fa04166ecba3"],"state_sha256":"84aab636b7933c9a2b498831988a752a7918150e8ca0c6d6707657f15b5a057f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X/az22GoGSxGEfshXjRQXNHtvIDljtROdp6EHdI0nilVMrOqUboxwzBhrgDFLT4WNef2k49wb4tCSQnSdJiHDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T13:49:51.911124Z","bundle_sha256":"03b806f7c1b95abc2fbb9cbf5f32aed37ffa8c83efa2df319aa736070b314fee"}}