{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:H26QBFEERQEOCSYCLJYYBJHJJH","short_pith_number":"pith:H26QBFEE","canonical_record":{"source":{"id":"1003.1275","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-03-05T14:27:05Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"8626337c484708b9f8166ffbabffb1911de980ea30b9235afd04b7b32d1bb18b","abstract_canon_sha256":"a98ce031f54af33d8f88239171ddd95f618f606aa7536719fea0943f3d090684"},"schema_version":"1.0"},"canonical_sha256":"3ebd0094848c08e14b025a7180a4e949cf8a7b2f2b380f9fbbf41d835f716b2d","source":{"kind":"arxiv","id":"1003.1275","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1003.1275","created_at":"2026-05-18T04:34:55Z"},{"alias_kind":"arxiv_version","alias_value":"1003.1275v1","created_at":"2026-05-18T04:34:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1003.1275","created_at":"2026-05-18T04:34:55Z"},{"alias_kind":"pith_short_12","alias_value":"H26QBFEERQEO","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_16","alias_value":"H26QBFEERQEOCSYC","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_8","alias_value":"H26QBFEE","created_at":"2026-05-18T12:26:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:H26QBFEERQEOCSYCLJYYBJHJJH","target":"record","payload":{"canonical_record":{"source":{"id":"1003.1275","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-03-05T14:27:05Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"8626337c484708b9f8166ffbabffb1911de980ea30b9235afd04b7b32d1bb18b","abstract_canon_sha256":"a98ce031f54af33d8f88239171ddd95f618f606aa7536719fea0943f3d090684"},"schema_version":"1.0"},"canonical_sha256":"3ebd0094848c08e14b025a7180a4e949cf8a7b2f2b380f9fbbf41d835f716b2d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:34:55.320039Z","signature_b64":"JtwF+XVhBkzjRoEuZHb/hVq7paIo2MGsWiPi9D4MDVEjAClje8TzSiWPb7N6IoXcorkPa2nnj28GI32z6hogBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3ebd0094848c08e14b025a7180a4e949cf8a7b2f2b380f9fbbf41d835f716b2d","last_reissued_at":"2026-05-18T04:34:55.319533Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:34:55.319533Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1003.1275","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":"2026-05-18T04:34:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nToqrjxWIQNLYUAGHFm7idkx87v0aZAt6HQI6eweCpq8bjjwFAxM+OuSFAe3p1nXtRP9gjkNfzSIB3AELHigAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T14:47:21.199378Z"},"content_sha256":"08d35bd592cf6208d6048b40726e8ed797eab2953d6287374571e3456694a946","schema_version":"1.0","event_id":"sha256:08d35bd592cf6208d6048b40726e8ed797eab2953d6287374571e3456694a946"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:H26QBFEERQEOCSYCLJYYBJHJJH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Observation of the growth of a magnetic vortex in the transition layer of a mildly relativistic oblique plasma shock","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.HE","authors_text":"G. C. Murphy, L. O'C. Drury, M. E. Dieckmann","submitted_at":"2010-03-05T14:27:05Z","abstract_excerpt":"A 2D particle simulation models the collision of two electron-ion plasma clouds along a quasi-parallel magnetic field. The collision speed is 0.9c and the density ratio 10. A current sheet forms at the front of the dense cloud, in which the electrons and the magnetic field reach energy equipartition with the ions. A structure composed of a solenoidal and a toroidal magnetic field grows in this sheet. It resembles that in the cross-section of the torus of a force-free spheromak, which may provide the coherent magnetic fields in gamma-ray burst (GRB) jets needed for their prompt emissions."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1003.1275","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":"2026-05-18T04:34:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VFUufojx7fTs8nZneYTX/O2keBb9Psv4Mhhrn7ASBMrukyXDeD/U9TEPb3BcheHgePdjSFBBJPso2vw1fQ8tBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T14:47:21.199728Z"},"content_sha256":"567e37b358ad127cc4ea865e517d3aa31dff46c14514f57caf0da28f1135b1fe","schema_version":"1.0","event_id":"sha256:567e37b358ad127cc4ea865e517d3aa31dff46c14514f57caf0da28f1135b1fe"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/H26QBFEERQEOCSYCLJYYBJHJJH/bundle.json","state_url":"https://pith.science/pith/H26QBFEERQEOCSYCLJYYBJHJJH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/H26QBFEERQEOCSYCLJYYBJHJJH/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":"2026-06-03T14:47:21Z","links":{"resolver":"https://pith.science/pith/H26QBFEERQEOCSYCLJYYBJHJJH","bundle":"https://pith.science/pith/H26QBFEERQEOCSYCLJYYBJHJJH/bundle.json","state":"https://pith.science/pith/H26QBFEERQEOCSYCLJYYBJHJJH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/H26QBFEERQEOCSYCLJYYBJHJJH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:H26QBFEERQEOCSYCLJYYBJHJJH","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":"a98ce031f54af33d8f88239171ddd95f618f606aa7536719fea0943f3d090684","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-03-05T14:27:05Z","title_canon_sha256":"8626337c484708b9f8166ffbabffb1911de980ea30b9235afd04b7b32d1bb18b"},"schema_version":"1.0","source":{"id":"1003.1275","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1003.1275","created_at":"2026-05-18T04:34:55Z"},{"alias_kind":"arxiv_version","alias_value":"1003.1275v1","created_at":"2026-05-18T04:34:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1003.1275","created_at":"2026-05-18T04:34:55Z"},{"alias_kind":"pith_short_12","alias_value":"H26QBFEERQEO","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_16","alias_value":"H26QBFEERQEOCSYC","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_8","alias_value":"H26QBFEE","created_at":"2026-05-18T12:26:07Z"}],"graph_snapshots":[{"event_id":"sha256:567e37b358ad127cc4ea865e517d3aa31dff46c14514f57caf0da28f1135b1fe","target":"graph","created_at":"2026-05-18T04:34:55Z","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":"A 2D particle simulation models the collision of two electron-ion plasma clouds along a quasi-parallel magnetic field. The collision speed is 0.9c and the density ratio 10. A current sheet forms at the front of the dense cloud, in which the electrons and the magnetic field reach energy equipartition with the ions. A structure composed of a solenoidal and a toroidal magnetic field grows in this sheet. It resembles that in the cross-section of the torus of a force-free spheromak, which may provide the coherent magnetic fields in gamma-ray burst (GRB) jets needed for their prompt emissions.","authors_text":"G. C. Murphy, L. O'C. Drury, M. E. Dieckmann","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-03-05T14:27:05Z","title":"Observation of the growth of a magnetic vortex in the transition layer of a mildly relativistic oblique plasma shock"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1003.1275","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":"sha256:08d35bd592cf6208d6048b40726e8ed797eab2953d6287374571e3456694a946","target":"record","created_at":"2026-05-18T04:34:55Z","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":"a98ce031f54af33d8f88239171ddd95f618f606aa7536719fea0943f3d090684","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-03-05T14:27:05Z","title_canon_sha256":"8626337c484708b9f8166ffbabffb1911de980ea30b9235afd04b7b32d1bb18b"},"schema_version":"1.0","source":{"id":"1003.1275","kind":"arxiv","version":1}},"canonical_sha256":"3ebd0094848c08e14b025a7180a4e949cf8a7b2f2b380f9fbbf41d835f716b2d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3ebd0094848c08e14b025a7180a4e949cf8a7b2f2b380f9fbbf41d835f716b2d","first_computed_at":"2026-05-18T04:34:55.319533Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:34:55.319533Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JtwF+XVhBkzjRoEuZHb/hVq7paIo2MGsWiPi9D4MDVEjAClje8TzSiWPb7N6IoXcorkPa2nnj28GI32z6hogBw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:34:55.320039Z","signed_message":"canonical_sha256_bytes"},"source_id":"1003.1275","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:08d35bd592cf6208d6048b40726e8ed797eab2953d6287374571e3456694a946","sha256:567e37b358ad127cc4ea865e517d3aa31dff46c14514f57caf0da28f1135b1fe"],"state_sha256":"00a095efb01a450607956c0a7cb8d4cbc7de05c61455484ec89682f942a61cff"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"URtaukz5odvlgG3G7i0bVFqPAwJQ/V9m4nx+dr9zFbygWRGH6c/+JT/yWc8j0PIH8KWKxlz231KvH2tzIBTICA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T14:47:21.201869Z","bundle_sha256":"062f6c57f9795ac8843227f78d2273c56c91c70e63ebec41d83a3022b74c397b"}}