{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:C2CKWSBGXFVOBRGP3UDYB2AWDD","short_pith_number":"pith:C2CKWSBG","canonical_record":{"source":{"id":"1305.4436","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-05-20T04:52:41Z","cross_cats_sorted":["astro-ph.EP","astro-ph.IM"],"title_canon_sha256":"2b70edfbb2cec0ef20f47e461f671cd1cb3e7392f19db277730f761944f0e1ff","abstract_canon_sha256":"8ede9049e4d7b509cc11e2d6980d8febc0fcd4defa5113e9c2548f28c5c72bc8"},"schema_version":"1.0"},"canonical_sha256":"1684ab4826b96ae0c4cfdd0780e81618d732e09d511c9fd1dfe086677c40ad81","source":{"kind":"arxiv","id":"1305.4436","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.4436","created_at":"2026-05-18T01:49:48Z"},{"alias_kind":"arxiv_version","alias_value":"1305.4436v2","created_at":"2026-05-18T01:49:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.4436","created_at":"2026-05-18T01:49:48Z"},{"alias_kind":"pith_short_12","alias_value":"C2CKWSBGXFVO","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_16","alias_value":"C2CKWSBGXFVOBRGP","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_8","alias_value":"C2CKWSBG","created_at":"2026-05-18T12:27:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:C2CKWSBGXFVOBRGP3UDYB2AWDD","target":"record","payload":{"canonical_record":{"source":{"id":"1305.4436","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-05-20T04:52:41Z","cross_cats_sorted":["astro-ph.EP","astro-ph.IM"],"title_canon_sha256":"2b70edfbb2cec0ef20f47e461f671cd1cb3e7392f19db277730f761944f0e1ff","abstract_canon_sha256":"8ede9049e4d7b509cc11e2d6980d8febc0fcd4defa5113e9c2548f28c5c72bc8"},"schema_version":"1.0"},"canonical_sha256":"1684ab4826b96ae0c4cfdd0780e81618d732e09d511c9fd1dfe086677c40ad81","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:49:48.888247Z","signature_b64":"CMO+bigEDpeicQA6j3F7zdW/n1X9gKgTsGFyuQXMu8UBrDxthZQrZHde7TKNYHsQH9sTh+YlZvc98JhH2h9iCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1684ab4826b96ae0c4cfdd0780e81618d732e09d511c9fd1dfe086677c40ad81","last_reissued_at":"2026-05-18T01:49:48.887658Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:49:48.887658Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1305.4436","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":"2026-05-18T01:49:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vs7TSVQfVVHP/BuCPIlCw3Bh78qlncG7b0zk+rmd9jDGn0DjMsGP61UHFayrUR/u0WdVxLcXzxtKpEOjCwtgDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T04:23:34.077454Z"},"content_sha256":"34884ffc21ea536b3882c8270df8c149ee30788b1279865ec508afa144704e13","schema_version":"1.0","event_id":"sha256:34884ffc21ea536b3882c8270df8c149ee30788b1279865ec508afa144704e13"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:C2CKWSBGXFVOBRGP3UDYB2AWDD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"An explicit scheme for ohmic dissipation with smoothed particle magneto-hydrodynamics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP","astro-ph.IM"],"primary_cat":"astro-ph.SR","authors_text":"Kazunari Iwasaki, Shu-ichiro Inutsuka, Yusuke Tsukamoto","submitted_at":"2013-05-20T04:52:41Z","abstract_excerpt":"In this paper, we present an explicit scheme for Ohmic dissipation with smoothed particle magneto-hydrodynamics (SPMHD). We propose a SPH discretization of Ohmic dissipation and solve Ohmic dissipation part of induction equation with the supertime-stepping method (STS) which allows us to take a longer time-step than Courant-Friedrich-Levy stability condition. Our scheme is second-order accurate in space and first-order accurate in time. Our numerical experiments show that optimal choice of the parameters of STS for Ohmic dissipation of SPMHD is {\\nu}sts ~ 0.01 and Nsts ~ 5."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.4436","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":"2026-05-18T01:49:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wKagIebdheyPvqyX5Crbuaaq1gSInwE0D2MDWoHnES3IkKGb58YLDsl4YcBfM5KjHLFhP7rK66Zt2uywYs5kAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T04:23:34.078108Z"},"content_sha256":"dc9e5bbda1afabc273b25d9a7e2576f2d08c3c37d600cd162eacc57ee634aa9f","schema_version":"1.0","event_id":"sha256:dc9e5bbda1afabc273b25d9a7e2576f2d08c3c37d600cd162eacc57ee634aa9f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/C2CKWSBGXFVOBRGP3UDYB2AWDD/bundle.json","state_url":"https://pith.science/pith/C2CKWSBGXFVOBRGP3UDYB2AWDD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/C2CKWSBGXFVOBRGP3UDYB2AWDD/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":"2026-05-27T04:23:34Z","links":{"resolver":"https://pith.science/pith/C2CKWSBGXFVOBRGP3UDYB2AWDD","bundle":"https://pith.science/pith/C2CKWSBGXFVOBRGP3UDYB2AWDD/bundle.json","state":"https://pith.science/pith/C2CKWSBGXFVOBRGP3UDYB2AWDD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/C2CKWSBGXFVOBRGP3UDYB2AWDD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:C2CKWSBGXFVOBRGP3UDYB2AWDD","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":"8ede9049e4d7b509cc11e2d6980d8febc0fcd4defa5113e9c2548f28c5c72bc8","cross_cats_sorted":["astro-ph.EP","astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-05-20T04:52:41Z","title_canon_sha256":"2b70edfbb2cec0ef20f47e461f671cd1cb3e7392f19db277730f761944f0e1ff"},"schema_version":"1.0","source":{"id":"1305.4436","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.4436","created_at":"2026-05-18T01:49:48Z"},{"alias_kind":"arxiv_version","alias_value":"1305.4436v2","created_at":"2026-05-18T01:49:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.4436","created_at":"2026-05-18T01:49:48Z"},{"alias_kind":"pith_short_12","alias_value":"C2CKWSBGXFVO","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_16","alias_value":"C2CKWSBGXFVOBRGP","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_8","alias_value":"C2CKWSBG","created_at":"2026-05-18T12:27:40Z"}],"graph_snapshots":[{"event_id":"sha256:dc9e5bbda1afabc273b25d9a7e2576f2d08c3c37d600cd162eacc57ee634aa9f","target":"graph","created_at":"2026-05-18T01:49:48Z","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":"In this paper, we present an explicit scheme for Ohmic dissipation with smoothed particle magneto-hydrodynamics (SPMHD). We propose a SPH discretization of Ohmic dissipation and solve Ohmic dissipation part of induction equation with the supertime-stepping method (STS) which allows us to take a longer time-step than Courant-Friedrich-Levy stability condition. Our scheme is second-order accurate in space and first-order accurate in time. Our numerical experiments show that optimal choice of the parameters of STS for Ohmic dissipation of SPMHD is {\\nu}sts ~ 0.01 and Nsts ~ 5.","authors_text":"Kazunari Iwasaki, Shu-ichiro Inutsuka, Yusuke Tsukamoto","cross_cats":["astro-ph.EP","astro-ph.IM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-05-20T04:52:41Z","title":"An explicit scheme for ohmic dissipation with smoothed particle magneto-hydrodynamics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.4436","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":"sha256:34884ffc21ea536b3882c8270df8c149ee30788b1279865ec508afa144704e13","target":"record","created_at":"2026-05-18T01:49:48Z","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":"8ede9049e4d7b509cc11e2d6980d8febc0fcd4defa5113e9c2548f28c5c72bc8","cross_cats_sorted":["astro-ph.EP","astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-05-20T04:52:41Z","title_canon_sha256":"2b70edfbb2cec0ef20f47e461f671cd1cb3e7392f19db277730f761944f0e1ff"},"schema_version":"1.0","source":{"id":"1305.4436","kind":"arxiv","version":2}},"canonical_sha256":"1684ab4826b96ae0c4cfdd0780e81618d732e09d511c9fd1dfe086677c40ad81","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1684ab4826b96ae0c4cfdd0780e81618d732e09d511c9fd1dfe086677c40ad81","first_computed_at":"2026-05-18T01:49:48.887658Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:49:48.887658Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CMO+bigEDpeicQA6j3F7zdW/n1X9gKgTsGFyuQXMu8UBrDxthZQrZHde7TKNYHsQH9sTh+YlZvc98JhH2h9iCw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:49:48.888247Z","signed_message":"canonical_sha256_bytes"},"source_id":"1305.4436","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:34884ffc21ea536b3882c8270df8c149ee30788b1279865ec508afa144704e13","sha256:dc9e5bbda1afabc273b25d9a7e2576f2d08c3c37d600cd162eacc57ee634aa9f"],"state_sha256":"dcd3b6bc4f52bb3ef7f32d3b9f5415ac3c105f33455c534f6a15adb33f74e1b1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4SnvZuuNjcwNGGa+lYUBNMaIj1JjIDN9x7zsdecUT37Gfv4zN9rnNOnxUyBPQnTKR34gUl8bKBF9aqvEl3N0Bg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T04:23:34.081507Z","bundle_sha256":"a8585101eb38c92abc24a348bc9d4ef2e575584af38d249402e52c1262648739"}}