{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:MYHDI5TVSW455ZO3UHKXIMGYPL","short_pith_number":"pith:MYHDI5TV","canonical_record":{"source":{"id":"2501.17995","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2025-01-29T21:04:37Z","cross_cats_sorted":["physics.plasm-ph"],"title_canon_sha256":"d30f5f5aa6ac2adf882b7fee0b1872a55fa7a31469e6eea1342d47387be9ba81","abstract_canon_sha256":"75d74ef155f199d14ea50338638a18e2e61379cf82d3ea949aefe5375d455e57"},"schema_version":"1.0"},"canonical_sha256":"660e34767595b9dee5dba1d57430d87ac6e295c28a758e12f4a64b4cf39a61ae","source":{"kind":"arxiv","id":"2501.17995","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.17995","created_at":"2026-07-05T10:07:05Z"},{"alias_kind":"arxiv_version","alias_value":"2501.17995v1","created_at":"2026-07-05T10:07:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.17995","created_at":"2026-07-05T10:07:05Z"},{"alias_kind":"pith_short_12","alias_value":"MYHDI5TVSW45","created_at":"2026-07-05T10:07:05Z"},{"alias_kind":"pith_short_16","alias_value":"MYHDI5TVSW455ZO3","created_at":"2026-07-05T10:07:05Z"},{"alias_kind":"pith_short_8","alias_value":"MYHDI5TV","created_at":"2026-07-05T10:07:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:MYHDI5TVSW455ZO3UHKXIMGYPL","target":"record","payload":{"canonical_record":{"source":{"id":"2501.17995","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2025-01-29T21:04:37Z","cross_cats_sorted":["physics.plasm-ph"],"title_canon_sha256":"d30f5f5aa6ac2adf882b7fee0b1872a55fa7a31469e6eea1342d47387be9ba81","abstract_canon_sha256":"75d74ef155f199d14ea50338638a18e2e61379cf82d3ea949aefe5375d455e57"},"schema_version":"1.0"},"canonical_sha256":"660e34767595b9dee5dba1d57430d87ac6e295c28a758e12f4a64b4cf39a61ae","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:07:05.429090Z","signature_b64":"+6vkFWmQfqF7DkETVo9E0CuAjCH/B14Jh0JmzXsQUlDFBgvx0Brmf5yjqsaoDCHkQVl8BuAGzhc+DL6HwQipDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"660e34767595b9dee5dba1d57430d87ac6e295c28a758e12f4a64b4cf39a61ae","last_reissued_at":"2026-07-05T10:07:05.428619Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:07:05.428619Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2501.17995","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":"2026-07-05T10:07:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uwtGm3HveyZOCdtCet9KSkac2JjF2in2kUcwZhd/3A8SnzHVxhh1IUZeWhnPkRGSHSxiZhul9tZYH+NjaoL8BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-13T04:53:39.550425Z"},"content_sha256":"a35a8a0885b1c7ff2a43997c9d506a5cf50fb880ad7308cd00866435e48a86f2","schema_version":"1.0","event_id":"sha256:a35a8a0885b1c7ff2a43997c9d506a5cf50fb880ad7308cd00866435e48a86f2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:MYHDI5TVSW455ZO3UHKXIMGYPL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Simulating the photospheric to coronal plasma using magnetohydrodyanamic characteristics II: reflections on non-reflecting boundary conditions","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.plasm-ph"],"primary_cat":"astro-ph.SR","authors_text":"James E. Leake, Lucas A. Tarr, Mark G. Linton, N. Dylan Kee, Peter W. Schuck","submitted_at":"2025-01-29T21:04:37Z","abstract_excerpt":"We present our implementation of non-reflecting boundary conditions in the magnetohydrodynamics (MHD) code LaRe3D. This implementation couples a characteristics-based boundary condition with a Lagrangian remap code, demonstrating the generality and flexibility of such non-reflecting boundary conditions for use with arbitrary grid-based MHD schemes. To test this implementation for perturbations on a background state, we present simulations of a hot sphere in an angled magnetic field. We then examine a series of simulations where we advect a spheromak through a non-reflecting boundary condition "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.17995","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2501.17995/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T10:07:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"biYBV0EY1Tly0iH1V71DA8/DCMveHs/45mH8Bd0TYftR3EOLRn4qDkAmHmac6MTLyweFl7iwxO7DQdHLLopdAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-13T04:53:39.550823Z"},"content_sha256":"f00ceed6126eab576de5e37490cd270f2e5d50cb23d930b3daf390248ca46b12","schema_version":"1.0","event_id":"sha256:f00ceed6126eab576de5e37490cd270f2e5d50cb23d930b3daf390248ca46b12"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MYHDI5TVSW455ZO3UHKXIMGYPL/bundle.json","state_url":"https://pith.science/pith/MYHDI5TVSW455ZO3UHKXIMGYPL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MYHDI5TVSW455ZO3UHKXIMGYPL/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":"2026-07-13T04:53:39Z","links":{"resolver":"https://pith.science/pith/MYHDI5TVSW455ZO3UHKXIMGYPL","bundle":"https://pith.science/pith/MYHDI5TVSW455ZO3UHKXIMGYPL/bundle.json","state":"https://pith.science/pith/MYHDI5TVSW455ZO3UHKXIMGYPL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MYHDI5TVSW455ZO3UHKXIMGYPL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:MYHDI5TVSW455ZO3UHKXIMGYPL","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":"75d74ef155f199d14ea50338638a18e2e61379cf82d3ea949aefe5375d455e57","cross_cats_sorted":["physics.plasm-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2025-01-29T21:04:37Z","title_canon_sha256":"d30f5f5aa6ac2adf882b7fee0b1872a55fa7a31469e6eea1342d47387be9ba81"},"schema_version":"1.0","source":{"id":"2501.17995","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.17995","created_at":"2026-07-05T10:07:05Z"},{"alias_kind":"arxiv_version","alias_value":"2501.17995v1","created_at":"2026-07-05T10:07:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.17995","created_at":"2026-07-05T10:07:05Z"},{"alias_kind":"pith_short_12","alias_value":"MYHDI5TVSW45","created_at":"2026-07-05T10:07:05Z"},{"alias_kind":"pith_short_16","alias_value":"MYHDI5TVSW455ZO3","created_at":"2026-07-05T10:07:05Z"},{"alias_kind":"pith_short_8","alias_value":"MYHDI5TV","created_at":"2026-07-05T10:07:05Z"}],"graph_snapshots":[{"event_id":"sha256:f00ceed6126eab576de5e37490cd270f2e5d50cb23d930b3daf390248ca46b12","target":"graph","created_at":"2026-07-05T10:07:05Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2501.17995/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present our implementation of non-reflecting boundary conditions in the magnetohydrodynamics (MHD) code LaRe3D. This implementation couples a characteristics-based boundary condition with a Lagrangian remap code, demonstrating the generality and flexibility of such non-reflecting boundary conditions for use with arbitrary grid-based MHD schemes. To test this implementation for perturbations on a background state, we present simulations of a hot sphere in an angled magnetic field. We then examine a series of simulations where we advect a spheromak through a non-reflecting boundary condition ","authors_text":"James E. Leake, Lucas A. Tarr, Mark G. Linton, N. Dylan Kee, Peter W. Schuck","cross_cats":["physics.plasm-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2025-01-29T21:04:37Z","title":"Simulating the photospheric to coronal plasma using magnetohydrodyanamic characteristics II: reflections on non-reflecting boundary conditions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.17995","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:a35a8a0885b1c7ff2a43997c9d506a5cf50fb880ad7308cd00866435e48a86f2","target":"record","created_at":"2026-07-05T10:07:05Z","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":"75d74ef155f199d14ea50338638a18e2e61379cf82d3ea949aefe5375d455e57","cross_cats_sorted":["physics.plasm-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2025-01-29T21:04:37Z","title_canon_sha256":"d30f5f5aa6ac2adf882b7fee0b1872a55fa7a31469e6eea1342d47387be9ba81"},"schema_version":"1.0","source":{"id":"2501.17995","kind":"arxiv","version":1}},"canonical_sha256":"660e34767595b9dee5dba1d57430d87ac6e295c28a758e12f4a64b4cf39a61ae","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"660e34767595b9dee5dba1d57430d87ac6e295c28a758e12f4a64b4cf39a61ae","first_computed_at":"2026-07-05T10:07:05.428619Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:07:05.428619Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+6vkFWmQfqF7DkETVo9E0CuAjCH/B14Jh0JmzXsQUlDFBgvx0Brmf5yjqsaoDCHkQVl8BuAGzhc+DL6HwQipDw==","signature_status":"signed_v1","signed_at":"2026-07-05T10:07:05.429090Z","signed_message":"canonical_sha256_bytes"},"source_id":"2501.17995","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a35a8a0885b1c7ff2a43997c9d506a5cf50fb880ad7308cd00866435e48a86f2","sha256:f00ceed6126eab576de5e37490cd270f2e5d50cb23d930b3daf390248ca46b12"],"state_sha256":"1955fa7cf1fd1c0db11a50ccaf5ba5db75f7885065f4939e9a2d4c031a926a17"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"COg44iGOkU14vUziLHLY0j9YWC1l02x95MPCape36AOXojWpTOFTfNmwr2mTBu6ituTk/O7ZkJtV8M5HWRYmCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-13T04:53:39.554051Z","bundle_sha256":"6d2623e47ccb04389ae1fbb9c930ef091722a9e9ffc186ab1e5e03182db79bb7"}}