{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:H5EWBGQOQKVQBF2QAIXILIRKIF","short_pith_number":"pith:H5EWBGQO","canonical_record":{"source":{"id":"1412.6489","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-12-19T19:18:01Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"ffcd0696891f1016850cd06a2491b80124c336688b0fa77ebac7dd4326e36222","abstract_canon_sha256":"331d5f2c466f3760389ec23c48bcb7f7a810ddea1c97693ee2bff58eeb9236ab"},"schema_version":"1.0"},"canonical_sha256":"3f49609a0e82ab009750022e85a22a41739cc2ab9373e6851c6805d485e1b935","source":{"kind":"arxiv","id":"1412.6489","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1412.6489","created_at":"2026-05-18T02:27:31Z"},{"alias_kind":"arxiv_version","alias_value":"1412.6489v1","created_at":"2026-05-18T02:27:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.6489","created_at":"2026-05-18T02:27:31Z"},{"alias_kind":"pith_short_12","alias_value":"H5EWBGQOQKVQ","created_at":"2026-05-18T12:28:30Z"},{"alias_kind":"pith_short_16","alias_value":"H5EWBGQOQKVQBF2Q","created_at":"2026-05-18T12:28:30Z"},{"alias_kind":"pith_short_8","alias_value":"H5EWBGQO","created_at":"2026-05-18T12:28:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:H5EWBGQOQKVQBF2QAIXILIRKIF","target":"record","payload":{"canonical_record":{"source":{"id":"1412.6489","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-12-19T19:18:01Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"ffcd0696891f1016850cd06a2491b80124c336688b0fa77ebac7dd4326e36222","abstract_canon_sha256":"331d5f2c466f3760389ec23c48bcb7f7a810ddea1c97693ee2bff58eeb9236ab"},"schema_version":"1.0"},"canonical_sha256":"3f49609a0e82ab009750022e85a22a41739cc2ab9373e6851c6805d485e1b935","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:27:31.687306Z","signature_b64":"fQFzd9pWMKPicc45zDfL43sY2c5gUM8h3nEeLNgz04kRgFGHnv+VvfRPynXoR8JHJJh+GHU7ZPcTYZH24rVcBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3f49609a0e82ab009750022e85a22a41739cc2ab9373e6851c6805d485e1b935","last_reissued_at":"2026-05-18T02:27:31.686551Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:27:31.686551Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1412.6489","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":"2026-05-18T02:27:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5z/OYIque5HOEGglNE5xhCWXDggNoSVn6noXojpYLGnos0fh5/caUzCdYp4fnIX4ztJBvtLpPNaScolY4hDAAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T01:58:27.976347Z"},"content_sha256":"9abbdec965424023a13a24853c3d770c4e5bf09f8a1207f979bbbdad5348b7f8","schema_version":"1.0","event_id":"sha256:9abbdec965424023a13a24853c3d770c4e5bf09f8a1207f979bbbdad5348b7f8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:H5EWBGQOQKVQBF2QAIXILIRKIF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"MHD Effects on Pulsed YSO Jets. I. 2.5-D Simulations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.HE","authors_text":"Adam Frank, Edward C. Hansen, Patrick Hartigan","submitted_at":"2014-12-19T19:18:01Z","abstract_excerpt":"In this paper we explore the dynamics of radiative axisymmetric MHD jets at high resolution using AMR methods. The goal of the study is to determine both the dynamics and emission properties of such jets. To that end we have implemented microphysics enabling us to produce synthetic maps of H$\\alpha$ and [S II]. The jets are pulsed either sinusoidally or randomly via a time-dependent ejection velocity which leads to a complicated structure of internal shocks and rarefactions as has been seen in previous simulations. The high resolution of our simulations allows us to explore in great detail the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.6489","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":"2026-05-18T02:27:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YhKUL2ht+4dlbw6FhqGty+6kwIicoZbKKDC+W+fHsKOKRvr/gPKF1QmmXB84EuGUIkpJuwaEXC2rpt3WXOkMDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T01:58:27.976830Z"},"content_sha256":"451275b620b67d99e8e9e6b058895abd5bc68573e1546597b3b1092fecff66d3","schema_version":"1.0","event_id":"sha256:451275b620b67d99e8e9e6b058895abd5bc68573e1546597b3b1092fecff66d3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/H5EWBGQOQKVQBF2QAIXILIRKIF/bundle.json","state_url":"https://pith.science/pith/H5EWBGQOQKVQBF2QAIXILIRKIF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/H5EWBGQOQKVQBF2QAIXILIRKIF/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":"2026-05-27T01:58:27Z","links":{"resolver":"https://pith.science/pith/H5EWBGQOQKVQBF2QAIXILIRKIF","bundle":"https://pith.science/pith/H5EWBGQOQKVQBF2QAIXILIRKIF/bundle.json","state":"https://pith.science/pith/H5EWBGQOQKVQBF2QAIXILIRKIF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/H5EWBGQOQKVQBF2QAIXILIRKIF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:H5EWBGQOQKVQBF2QAIXILIRKIF","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":"331d5f2c466f3760389ec23c48bcb7f7a810ddea1c97693ee2bff58eeb9236ab","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-12-19T19:18:01Z","title_canon_sha256":"ffcd0696891f1016850cd06a2491b80124c336688b0fa77ebac7dd4326e36222"},"schema_version":"1.0","source":{"id":"1412.6489","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1412.6489","created_at":"2026-05-18T02:27:31Z"},{"alias_kind":"arxiv_version","alias_value":"1412.6489v1","created_at":"2026-05-18T02:27:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.6489","created_at":"2026-05-18T02:27:31Z"},{"alias_kind":"pith_short_12","alias_value":"H5EWBGQOQKVQ","created_at":"2026-05-18T12:28:30Z"},{"alias_kind":"pith_short_16","alias_value":"H5EWBGQOQKVQBF2Q","created_at":"2026-05-18T12:28:30Z"},{"alias_kind":"pith_short_8","alias_value":"H5EWBGQO","created_at":"2026-05-18T12:28:30Z"}],"graph_snapshots":[{"event_id":"sha256:451275b620b67d99e8e9e6b058895abd5bc68573e1546597b3b1092fecff66d3","target":"graph","created_at":"2026-05-18T02:27:31Z","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 explore the dynamics of radiative axisymmetric MHD jets at high resolution using AMR methods. The goal of the study is to determine both the dynamics and emission properties of such jets. To that end we have implemented microphysics enabling us to produce synthetic maps of H$\\alpha$ and [S II]. The jets are pulsed either sinusoidally or randomly via a time-dependent ejection velocity which leads to a complicated structure of internal shocks and rarefactions as has been seen in previous simulations. The high resolution of our simulations allows us to explore in great detail the","authors_text":"Adam Frank, Edward C. Hansen, Patrick Hartigan","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-12-19T19:18:01Z","title":"MHD Effects on Pulsed YSO Jets. I. 2.5-D Simulations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.6489","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":"sha256:9abbdec965424023a13a24853c3d770c4e5bf09f8a1207f979bbbdad5348b7f8","target":"record","created_at":"2026-05-18T02:27:31Z","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":"331d5f2c466f3760389ec23c48bcb7f7a810ddea1c97693ee2bff58eeb9236ab","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-12-19T19:18:01Z","title_canon_sha256":"ffcd0696891f1016850cd06a2491b80124c336688b0fa77ebac7dd4326e36222"},"schema_version":"1.0","source":{"id":"1412.6489","kind":"arxiv","version":1}},"canonical_sha256":"3f49609a0e82ab009750022e85a22a41739cc2ab9373e6851c6805d485e1b935","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3f49609a0e82ab009750022e85a22a41739cc2ab9373e6851c6805d485e1b935","first_computed_at":"2026-05-18T02:27:31.686551Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:27:31.686551Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fQFzd9pWMKPicc45zDfL43sY2c5gUM8h3nEeLNgz04kRgFGHnv+VvfRPynXoR8JHJJh+GHU7ZPcTYZH24rVcBg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:27:31.687306Z","signed_message":"canonical_sha256_bytes"},"source_id":"1412.6489","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9abbdec965424023a13a24853c3d770c4e5bf09f8a1207f979bbbdad5348b7f8","sha256:451275b620b67d99e8e9e6b058895abd5bc68573e1546597b3b1092fecff66d3"],"state_sha256":"02161a4676ba9d1e29f207d84cdda0e67f8ca48fa75683b5acb14aa40495108c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yscAnlqyDwTjDGiTeu0hHdL7neZSC1SajambL7L8hxTcCL2AEP6Pr1inBKlCtEEjObk93FqbiJBR5fZijVwMCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T01:58:27.979287Z","bundle_sha256":"ad78c09639df593e63e6b9f3696a96b9b6af603f3d13ab13a33ee6e1d50dacb1"}}