{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:AKMUSZUKJ2QKH6OTDMXQSXCVV7","short_pith_number":"pith:AKMUSZUK","canonical_record":{"source":{"id":"1011.2171","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-11-08T14:38:04Z","cross_cats_sorted":[],"title_canon_sha256":"404cac8084d6aded9f42509ebeb42f8b17abc3fdc84db2f3ca2bbead833765e2","abstract_canon_sha256":"715dbae551d9f428d61f439c717fdeaf9b0411ee3407a2863c24af984a153ab9"},"schema_version":"1.0"},"canonical_sha256":"029949668a4ea0a3f9d31b2f095c55aff9e097249de584f1b02081210325f61a","source":{"kind":"arxiv","id":"1011.2171","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1011.2171","created_at":"2026-05-18T02:04:49Z"},{"alias_kind":"arxiv_version","alias_value":"1011.2171v1","created_at":"2026-05-18T02:04:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1011.2171","created_at":"2026-05-18T02:04:49Z"},{"alias_kind":"pith_short_12","alias_value":"AKMUSZUKJ2QK","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_16","alias_value":"AKMUSZUKJ2QKH6OT","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_8","alias_value":"AKMUSZUK","created_at":"2026-05-18T12:26:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:AKMUSZUKJ2QKH6OTDMXQSXCVV7","target":"record","payload":{"canonical_record":{"source":{"id":"1011.2171","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-11-08T14:38:04Z","cross_cats_sorted":[],"title_canon_sha256":"404cac8084d6aded9f42509ebeb42f8b17abc3fdc84db2f3ca2bbead833765e2","abstract_canon_sha256":"715dbae551d9f428d61f439c717fdeaf9b0411ee3407a2863c24af984a153ab9"},"schema_version":"1.0"},"canonical_sha256":"029949668a4ea0a3f9d31b2f095c55aff9e097249de584f1b02081210325f61a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:04:49.664640Z","signature_b64":"q9wAQjb2L5h7l6j0fFg5WvObym5swT2tseciJbU9Ro9mzIYGRiI7AZQ2r1Dsbj86PxGqxIyfs2xpNIO9neYsAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"029949668a4ea0a3f9d31b2f095c55aff9e097249de584f1b02081210325f61a","last_reissued_at":"2026-05-18T02:04:49.663908Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:04:49.663908Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1011.2171","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":"2026-05-18T02:04:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AMY0WMS3Io/onccawa4pBM0jGlENKM+iVn6zgi6Ee4c0VZVb29GXhEa6dGAJO9yBVB0+fn+1z/oFH6h9AjYbAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T18:44:59.890415Z"},"content_sha256":"16b1077c175747a5593c6c47ee96e210c01e641b99261ca684d24c1ccb74023f","schema_version":"1.0","event_id":"sha256:16b1077c175747a5593c6c47ee96e210c01e641b99261ca684d24c1ccb74023f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:AKMUSZUKJ2QKH6OTDMXQSXCVV7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Magnetic Field Amplification by Turbulence in A Relativistic Shock Propagating through An Inhomogeneous Medium","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Bing Zhang, Jacek Niemiec, Ken-Ichi Nishikawa, Martin Pohl, Philip E. Hardee, Yosuke Mizuno","submitted_at":"2010-11-08T14:38:04Z","abstract_excerpt":"We perform two-dimensional relativistic magnetohydrodynamic simulations of a mildly relativistic shock propagating through an inhomogeneous medium. We show that the postshock region becomes turbulent owing to preshock density inhomogeneity, and the magnetic field is strongly amplified due to the stretching and folding of field lines in the turbulent velocity field. The amplified magnetic field evolves into a filamentary structure in two-dimensional simulations. The magnetic energy spectrum is flatter than the Kolmogorov spectrum and indicates that a so-called small-scale dynamo is occurring in"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1011.2171","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":"2026-05-18T02:04:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RDZfs3W7mq5DpvcSCi1/dpjXCJKfYIGqdhe2qeQiS7laGmsPTx1yjl7jS8uk75gA8bczTle1U2ZK+k5gSyJ/Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T18:44:59.890779Z"},"content_sha256":"d42cd49dc99d978cd144ca8e12ec8c91258b310a96d85226cf798924503f9137","schema_version":"1.0","event_id":"sha256:d42cd49dc99d978cd144ca8e12ec8c91258b310a96d85226cf798924503f9137"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AKMUSZUKJ2QKH6OTDMXQSXCVV7/bundle.json","state_url":"https://pith.science/pith/AKMUSZUKJ2QKH6OTDMXQSXCVV7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AKMUSZUKJ2QKH6OTDMXQSXCVV7/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":"2026-05-28T18:44:59Z","links":{"resolver":"https://pith.science/pith/AKMUSZUKJ2QKH6OTDMXQSXCVV7","bundle":"https://pith.science/pith/AKMUSZUKJ2QKH6OTDMXQSXCVV7/bundle.json","state":"https://pith.science/pith/AKMUSZUKJ2QKH6OTDMXQSXCVV7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AKMUSZUKJ2QKH6OTDMXQSXCVV7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:AKMUSZUKJ2QKH6OTDMXQSXCVV7","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":"715dbae551d9f428d61f439c717fdeaf9b0411ee3407a2863c24af984a153ab9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-11-08T14:38:04Z","title_canon_sha256":"404cac8084d6aded9f42509ebeb42f8b17abc3fdc84db2f3ca2bbead833765e2"},"schema_version":"1.0","source":{"id":"1011.2171","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1011.2171","created_at":"2026-05-18T02:04:49Z"},{"alias_kind":"arxiv_version","alias_value":"1011.2171v1","created_at":"2026-05-18T02:04:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1011.2171","created_at":"2026-05-18T02:04:49Z"},{"alias_kind":"pith_short_12","alias_value":"AKMUSZUKJ2QK","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_16","alias_value":"AKMUSZUKJ2QKH6OT","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_8","alias_value":"AKMUSZUK","created_at":"2026-05-18T12:26:05Z"}],"graph_snapshots":[{"event_id":"sha256:d42cd49dc99d978cd144ca8e12ec8c91258b310a96d85226cf798924503f9137","target":"graph","created_at":"2026-05-18T02:04:49Z","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 perform two-dimensional relativistic magnetohydrodynamic simulations of a mildly relativistic shock propagating through an inhomogeneous medium. We show that the postshock region becomes turbulent owing to preshock density inhomogeneity, and the magnetic field is strongly amplified due to the stretching and folding of field lines in the turbulent velocity field. The amplified magnetic field evolves into a filamentary structure in two-dimensional simulations. The magnetic energy spectrum is flatter than the Kolmogorov spectrum and indicates that a so-called small-scale dynamo is occurring in","authors_text":"Bing Zhang, Jacek Niemiec, Ken-Ichi Nishikawa, Martin Pohl, Philip E. Hardee, Yosuke Mizuno","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-11-08T14:38:04Z","title":"Magnetic Field Amplification by Turbulence in A Relativistic Shock Propagating through An Inhomogeneous Medium"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1011.2171","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":"sha256:16b1077c175747a5593c6c47ee96e210c01e641b99261ca684d24c1ccb74023f","target":"record","created_at":"2026-05-18T02:04:49Z","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":"715dbae551d9f428d61f439c717fdeaf9b0411ee3407a2863c24af984a153ab9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-11-08T14:38:04Z","title_canon_sha256":"404cac8084d6aded9f42509ebeb42f8b17abc3fdc84db2f3ca2bbead833765e2"},"schema_version":"1.0","source":{"id":"1011.2171","kind":"arxiv","version":1}},"canonical_sha256":"029949668a4ea0a3f9d31b2f095c55aff9e097249de584f1b02081210325f61a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"029949668a4ea0a3f9d31b2f095c55aff9e097249de584f1b02081210325f61a","first_computed_at":"2026-05-18T02:04:49.663908Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:04:49.663908Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"q9wAQjb2L5h7l6j0fFg5WvObym5swT2tseciJbU9Ro9mzIYGRiI7AZQ2r1Dsbj86PxGqxIyfs2xpNIO9neYsAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:04:49.664640Z","signed_message":"canonical_sha256_bytes"},"source_id":"1011.2171","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:16b1077c175747a5593c6c47ee96e210c01e641b99261ca684d24c1ccb74023f","sha256:d42cd49dc99d978cd144ca8e12ec8c91258b310a96d85226cf798924503f9137"],"state_sha256":"a5e4fdb526a82b0a8583dac2e8f001620093283c4234d5793d3720771df0d544"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SbrV7zJKMro9ETD6eBs+PF6E/GMCz3JFKOpZ5lsqGEvgs37niB9ByTAFR9ikHLL1HKKCI4UfvaJfFif99DkVAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T18:44:59.893099Z","bundle_sha256":"c89e9eee6faed1c0ad6fe6405f95b24b6108c691322017156e369b9936fbe766"}}