{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:4J224VXWNIEKJRGMOTY5XRPQC2","short_pith_number":"pith:4J224VXW","canonical_record":{"source":{"id":"1504.07458","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-04-28T13:11:45Z","cross_cats_sorted":["math.NA","physics.comp-ph"],"title_canon_sha256":"3d76c7a0cef7f6e4402babfa1858f3974f00ec7d4a5292cdbc903af2f0ee5d15","abstract_canon_sha256":"8647f894ef8b6240ecfd9d55a6a3283616affba2398e5d3699fc12516ec74667"},"schema_version":"1.0"},"canonical_sha256":"e275ae56f66a08a4c4cc74f1dbc5f016aad08cf2bcaab5f4163be46a68ce1c27","source":{"kind":"arxiv","id":"1504.07458","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.07458","created_at":"2026-05-18T01:35:30Z"},{"alias_kind":"arxiv_version","alias_value":"1504.07458v2","created_at":"2026-05-18T01:35:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.07458","created_at":"2026-05-18T01:35:30Z"},{"alias_kind":"pith_short_12","alias_value":"4J224VXWNIEK","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_16","alias_value":"4J224VXWNIEKJRGM","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_8","alias_value":"4J224VXW","created_at":"2026-05-18T12:29:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:4J224VXWNIEKJRGMOTY5XRPQC2","target":"record","payload":{"canonical_record":{"source":{"id":"1504.07458","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-04-28T13:11:45Z","cross_cats_sorted":["math.NA","physics.comp-ph"],"title_canon_sha256":"3d76c7a0cef7f6e4402babfa1858f3974f00ec7d4a5292cdbc903af2f0ee5d15","abstract_canon_sha256":"8647f894ef8b6240ecfd9d55a6a3283616affba2398e5d3699fc12516ec74667"},"schema_version":"1.0"},"canonical_sha256":"e275ae56f66a08a4c4cc74f1dbc5f016aad08cf2bcaab5f4163be46a68ce1c27","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:35:30.289711Z","signature_b64":"UFjKSlavOjtyBjY7vVKGYltNGpvKznYCtq3zJMGZ7tK33sHW2ABFoUFuy6XRgRWeWWZSdl8k4JmZ6ZWkwZlXCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e275ae56f66a08a4c4cc74f1dbc5f016aad08cf2bcaab5f4163be46a68ce1c27","last_reissued_at":"2026-05-18T01:35:30.289244Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:35:30.289244Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1504.07458","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":"2026-05-18T01:35:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EqCVXE1WlcsiZEXcwi/C53BV55TsRbPj4PXm4nDDH9SL7bpRC7Jf6LLSBhjsuNcikQTmBJggziFedMHjNPlLAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T16:35:36.864558Z"},"content_sha256":"39624df9d6dce0dcbe638f1bb14f8785a09b2834004afdbdcf44338e90cb8c07","schema_version":"1.0","event_id":"sha256:39624df9d6dce0dcbe638f1bb14f8785a09b2834004afdbdcf44338e90cb8c07"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:4J224VXWNIEKJRGMOTY5XRPQC2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Solving the relativistic magnetohydrodynamics equations with ADER discontinuous Galerkin methods, a posteriori subcell limiting and adaptive mesh refinement","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.NA","physics.comp-ph"],"primary_cat":"astro-ph.HE","authors_text":"Francesco Fambri, Michael Dumbser, Olindo Zanotti","submitted_at":"2015-04-28T13:11:45Z","abstract_excerpt":"We present a new numerical tool for solving the special relativistic ideal MHD equations that is based on the combination of the following three key features: (i) a one-step ADER discontinuous Galerkin (DG) scheme that allows for an arbitrary order of accuracy in both space and time, (ii) an a posteriori subcell finite volume limiter that is activated to avoid spurious oscillations at discontinuities without destroying the natural subcell resolution capabilities of the DG finite element framework and finally (iii) a space-time adaptive mesh refinement (AMR) framework with time-accurate local t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.07458","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":"2026-05-18T01:35:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"etoMb6wCd8qmH2sqB1UEDuUzASejED/Ea5JHkLVAcFoj9kwDpS40zsVHah87rcuXhsefEUu2Y+H6higiHt69Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T16:35:36.864970Z"},"content_sha256":"89fa15fe2b77d6bb170dc913ed325a34193af25f1990259e52aeee3586276c73","schema_version":"1.0","event_id":"sha256:89fa15fe2b77d6bb170dc913ed325a34193af25f1990259e52aeee3586276c73"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4J224VXWNIEKJRGMOTY5XRPQC2/bundle.json","state_url":"https://pith.science/pith/4J224VXWNIEKJRGMOTY5XRPQC2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4J224VXWNIEKJRGMOTY5XRPQC2/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":"2026-05-27T16:35:36Z","links":{"resolver":"https://pith.science/pith/4J224VXWNIEKJRGMOTY5XRPQC2","bundle":"https://pith.science/pith/4J224VXWNIEKJRGMOTY5XRPQC2/bundle.json","state":"https://pith.science/pith/4J224VXWNIEKJRGMOTY5XRPQC2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4J224VXWNIEKJRGMOTY5XRPQC2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:4J224VXWNIEKJRGMOTY5XRPQC2","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":"8647f894ef8b6240ecfd9d55a6a3283616affba2398e5d3699fc12516ec74667","cross_cats_sorted":["math.NA","physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-04-28T13:11:45Z","title_canon_sha256":"3d76c7a0cef7f6e4402babfa1858f3974f00ec7d4a5292cdbc903af2f0ee5d15"},"schema_version":"1.0","source":{"id":"1504.07458","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.07458","created_at":"2026-05-18T01:35:30Z"},{"alias_kind":"arxiv_version","alias_value":"1504.07458v2","created_at":"2026-05-18T01:35:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.07458","created_at":"2026-05-18T01:35:30Z"},{"alias_kind":"pith_short_12","alias_value":"4J224VXWNIEK","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_16","alias_value":"4J224VXWNIEKJRGM","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_8","alias_value":"4J224VXW","created_at":"2026-05-18T12:29:05Z"}],"graph_snapshots":[{"event_id":"sha256:89fa15fe2b77d6bb170dc913ed325a34193af25f1990259e52aeee3586276c73","target":"graph","created_at":"2026-05-18T01:35:30Z","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 numerical tool for solving the special relativistic ideal MHD equations that is based on the combination of the following three key features: (i) a one-step ADER discontinuous Galerkin (DG) scheme that allows for an arbitrary order of accuracy in both space and time, (ii) an a posteriori subcell finite volume limiter that is activated to avoid spurious oscillations at discontinuities without destroying the natural subcell resolution capabilities of the DG finite element framework and finally (iii) a space-time adaptive mesh refinement (AMR) framework with time-accurate local t","authors_text":"Francesco Fambri, Michael Dumbser, Olindo Zanotti","cross_cats":["math.NA","physics.comp-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-04-28T13:11:45Z","title":"Solving the relativistic magnetohydrodynamics equations with ADER discontinuous Galerkin methods, a posteriori subcell limiting and adaptive mesh refinement"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.07458","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":"sha256:39624df9d6dce0dcbe638f1bb14f8785a09b2834004afdbdcf44338e90cb8c07","target":"record","created_at":"2026-05-18T01:35:30Z","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":"8647f894ef8b6240ecfd9d55a6a3283616affba2398e5d3699fc12516ec74667","cross_cats_sorted":["math.NA","physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-04-28T13:11:45Z","title_canon_sha256":"3d76c7a0cef7f6e4402babfa1858f3974f00ec7d4a5292cdbc903af2f0ee5d15"},"schema_version":"1.0","source":{"id":"1504.07458","kind":"arxiv","version":2}},"canonical_sha256":"e275ae56f66a08a4c4cc74f1dbc5f016aad08cf2bcaab5f4163be46a68ce1c27","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e275ae56f66a08a4c4cc74f1dbc5f016aad08cf2bcaab5f4163be46a68ce1c27","first_computed_at":"2026-05-18T01:35:30.289244Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:35:30.289244Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UFjKSlavOjtyBjY7vVKGYltNGpvKznYCtq3zJMGZ7tK33sHW2ABFoUFuy6XRgRWeWWZSdl8k4JmZ6ZWkwZlXCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:35:30.289711Z","signed_message":"canonical_sha256_bytes"},"source_id":"1504.07458","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:39624df9d6dce0dcbe638f1bb14f8785a09b2834004afdbdcf44338e90cb8c07","sha256:89fa15fe2b77d6bb170dc913ed325a34193af25f1990259e52aeee3586276c73"],"state_sha256":"7fda94d49a2a782d266336136f6ee5d56cec745dd6b15a124cd967a84181f54e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2krQUoJQEZ1i802ikpNBDxsqfHZ8LE3TY5ap5w7g7HHBQxIqHGe54Fs4CjtWvSkVH4Yjwg8n0frKmfADzib6Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T16:35:36.867444Z","bundle_sha256":"89c0dc164a0a8c1aab30a95303ae48721b984502e0b9118829e87dfd327a8ad9"}}