{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:U63F2GJLIKRKK72YW6CDVYLHSN","short_pith_number":"pith:U63F2GJL","canonical_record":{"source":{"id":"1811.11484","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-11-28T10:19:13Z","cross_cats_sorted":[],"title_canon_sha256":"9d1ae54a9e4114d24f850a3efd5c7df81fa7360a653a2cde0569f2a9a582be8b","abstract_canon_sha256":"af8ed4b1a413cf8a7cfaa416ff76ab6f697f38663f558358faf75c521f8318cb"},"schema_version":"1.0"},"canonical_sha256":"a7b65d192b42a2a57f58b7843ae167936aa2f7b213ad35dd82066345b0413a7d","source":{"kind":"arxiv","id":"1811.11484","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.11484","created_at":"2026-05-17T23:55:53Z"},{"alias_kind":"arxiv_version","alias_value":"1811.11484v1","created_at":"2026-05-17T23:55:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.11484","created_at":"2026-05-17T23:55:53Z"},{"alias_kind":"pith_short_12","alias_value":"U63F2GJLIKRK","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_16","alias_value":"U63F2GJLIKRKK72Y","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_8","alias_value":"U63F2GJL","created_at":"2026-05-18T12:32:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:U63F2GJLIKRKK72YW6CDVYLHSN","target":"record","payload":{"canonical_record":{"source":{"id":"1811.11484","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-11-28T10:19:13Z","cross_cats_sorted":[],"title_canon_sha256":"9d1ae54a9e4114d24f850a3efd5c7df81fa7360a653a2cde0569f2a9a582be8b","abstract_canon_sha256":"af8ed4b1a413cf8a7cfaa416ff76ab6f697f38663f558358faf75c521f8318cb"},"schema_version":"1.0"},"canonical_sha256":"a7b65d192b42a2a57f58b7843ae167936aa2f7b213ad35dd82066345b0413a7d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:55:53.758356Z","signature_b64":"gS+Uq+71tKQ0JKboiTFji5qy2zmdTGw2XoZBCKcgmK7gXpTuDcRX9lpYyuSRXL5emqVYvLRVHmfFQp4S+z/eAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a7b65d192b42a2a57f58b7843ae167936aa2f7b213ad35dd82066345b0413a7d","last_reissued_at":"2026-05-17T23:55:53.757834Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:55:53.757834Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1811.11484","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":"2026-05-17T23:55:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6E3boY9XReMgLMKEx9WcZGvgS45cBjcIp6ZhaEZJ067s8UD07GDJosnj8L+U0xjSJv7iFLXZyYUpAyHtpmyyBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T07:00:20.317934Z"},"content_sha256":"0de4c76c3d773db3f33afaf4d47505ce8a134d2f2d703e9e5cf2aa892e7e94ac","schema_version":"1.0","event_id":"sha256:0de4c76c3d773db3f33afaf4d47505ce8a134d2f2d703e9e5cf2aa892e7e94ac"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:U63F2GJLIKRKK72YW6CDVYLHSN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Polarization with a 3-dimensional Mixed Magnetic Field and Its Application to GRB 170817A","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Jin-Jun Geng, Mi-Xiang Lan, Xue-Feng Wu, Zi-Gao Dai","submitted_at":"2018-11-28T10:19:13Z","abstract_excerpt":"A large-scale ordered magnetic field plays a very important role in the formation and acceleration of a gamma-ray burst (GRB) jet. During the GRB prompt phase, some dissipation processes may happen and disturb the magnetic field, making the field become random to some extent. Therefore, a mixed magnetic field consisting of an ordered component and a random component is plausible for the early afterglow phase. Here we investigate the polarization evolution and light curve of an afterglow under such a 3-dimensional mixed magnetic field. Three kinds of ordered component (i.e., aligned, toroidal a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.11484","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":"2026-05-17T23:55:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+zHR6xLV/OPBHFPHNmhgsAghkb8gGxoWileAOWYmo7NBO6plGAozXn0VSXrpgQotAi7Zdqy07ExUzdqZRINkCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T07:00:20.318863Z"},"content_sha256":"856722b46c125bdeb720feaeb71b2739f24e3b53d6f0f004560b297f7c2195f1","schema_version":"1.0","event_id":"sha256:856722b46c125bdeb720feaeb71b2739f24e3b53d6f0f004560b297f7c2195f1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/U63F2GJLIKRKK72YW6CDVYLHSN/bundle.json","state_url":"https://pith.science/pith/U63F2GJLIKRKK72YW6CDVYLHSN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/U63F2GJLIKRKK72YW6CDVYLHSN/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":"2026-05-30T07:00:20Z","links":{"resolver":"https://pith.science/pith/U63F2GJLIKRKK72YW6CDVYLHSN","bundle":"https://pith.science/pith/U63F2GJLIKRKK72YW6CDVYLHSN/bundle.json","state":"https://pith.science/pith/U63F2GJLIKRKK72YW6CDVYLHSN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/U63F2GJLIKRKK72YW6CDVYLHSN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:U63F2GJLIKRKK72YW6CDVYLHSN","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":"af8ed4b1a413cf8a7cfaa416ff76ab6f697f38663f558358faf75c521f8318cb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-11-28T10:19:13Z","title_canon_sha256":"9d1ae54a9e4114d24f850a3efd5c7df81fa7360a653a2cde0569f2a9a582be8b"},"schema_version":"1.0","source":{"id":"1811.11484","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.11484","created_at":"2026-05-17T23:55:53Z"},{"alias_kind":"arxiv_version","alias_value":"1811.11484v1","created_at":"2026-05-17T23:55:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.11484","created_at":"2026-05-17T23:55:53Z"},{"alias_kind":"pith_short_12","alias_value":"U63F2GJLIKRK","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_16","alias_value":"U63F2GJLIKRKK72Y","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_8","alias_value":"U63F2GJL","created_at":"2026-05-18T12:32:56Z"}],"graph_snapshots":[{"event_id":"sha256:856722b46c125bdeb720feaeb71b2739f24e3b53d6f0f004560b297f7c2195f1","target":"graph","created_at":"2026-05-17T23:55:53Z","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 large-scale ordered magnetic field plays a very important role in the formation and acceleration of a gamma-ray burst (GRB) jet. During the GRB prompt phase, some dissipation processes may happen and disturb the magnetic field, making the field become random to some extent. Therefore, a mixed magnetic field consisting of an ordered component and a random component is plausible for the early afterglow phase. Here we investigate the polarization evolution and light curve of an afterglow under such a 3-dimensional mixed magnetic field. Three kinds of ordered component (i.e., aligned, toroidal a","authors_text":"Jin-Jun Geng, Mi-Xiang Lan, Xue-Feng Wu, Zi-Gao Dai","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-11-28T10:19:13Z","title":"Polarization with a 3-dimensional Mixed Magnetic Field and Its Application to GRB 170817A"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.11484","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":"sha256:0de4c76c3d773db3f33afaf4d47505ce8a134d2f2d703e9e5cf2aa892e7e94ac","target":"record","created_at":"2026-05-17T23:55:53Z","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":"af8ed4b1a413cf8a7cfaa416ff76ab6f697f38663f558358faf75c521f8318cb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-11-28T10:19:13Z","title_canon_sha256":"9d1ae54a9e4114d24f850a3efd5c7df81fa7360a653a2cde0569f2a9a582be8b"},"schema_version":"1.0","source":{"id":"1811.11484","kind":"arxiv","version":1}},"canonical_sha256":"a7b65d192b42a2a57f58b7843ae167936aa2f7b213ad35dd82066345b0413a7d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a7b65d192b42a2a57f58b7843ae167936aa2f7b213ad35dd82066345b0413a7d","first_computed_at":"2026-05-17T23:55:53.757834Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:55:53.757834Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gS+Uq+71tKQ0JKboiTFji5qy2zmdTGw2XoZBCKcgmK7gXpTuDcRX9lpYyuSRXL5emqVYvLRVHmfFQp4S+z/eAQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:55:53.758356Z","signed_message":"canonical_sha256_bytes"},"source_id":"1811.11484","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0de4c76c3d773db3f33afaf4d47505ce8a134d2f2d703e9e5cf2aa892e7e94ac","sha256:856722b46c125bdeb720feaeb71b2739f24e3b53d6f0f004560b297f7c2195f1"],"state_sha256":"aebb47509faa7900a3411768a65d0e4937444cc532fa211136a6e57610e89c88"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XVk6vBFkvrknJSKPmla/Fyl2YHTOyRqTQWippKnT01Q/Z87poiCaU4sCGEmhaNynmFbIpZfj3krvve+wlOFIDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T07:00:20.323467Z","bundle_sha256":"9e3f99ba3e738ce75310e2a649670a89dd90c7902acb62b7e05ddf5aee844ef7"}}