{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:RNLC7Y7QUGEYV33TDYLFEDMMHA","short_pith_number":"pith:RNLC7Y7Q","canonical_record":{"source":{"id":"2202.06780","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-02-14T14:59:23Z","cross_cats_sorted":[],"title_canon_sha256":"39d991e48d0d8bc2e279eef15b94a99b651576512e9e53cadf9050b56399658d","abstract_canon_sha256":"caa987cbb605fe8de73249f28c37ff6bbecce928519ab4548dc43dcd6f2e3aa3"},"schema_version":"1.0"},"canonical_sha256":"8b562fe3f0a1898aef731e16520d8c38363ca9ca1908ad5e9f075057f57e6c70","source":{"kind":"arxiv","id":"2202.06780","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2202.06780","created_at":"2026-07-05T05:02:40Z"},{"alias_kind":"arxiv_version","alias_value":"2202.06780v2","created_at":"2026-07-05T05:02:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2202.06780","created_at":"2026-07-05T05:02:40Z"},{"alias_kind":"pith_short_12","alias_value":"RNLC7Y7QUGEY","created_at":"2026-07-05T05:02:40Z"},{"alias_kind":"pith_short_16","alias_value":"RNLC7Y7QUGEYV33T","created_at":"2026-07-05T05:02:40Z"},{"alias_kind":"pith_short_8","alias_value":"RNLC7Y7Q","created_at":"2026-07-05T05:02:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:RNLC7Y7QUGEYV33TDYLFEDMMHA","target":"record","payload":{"canonical_record":{"source":{"id":"2202.06780","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-02-14T14:59:23Z","cross_cats_sorted":[],"title_canon_sha256":"39d991e48d0d8bc2e279eef15b94a99b651576512e9e53cadf9050b56399658d","abstract_canon_sha256":"caa987cbb605fe8de73249f28c37ff6bbecce928519ab4548dc43dcd6f2e3aa3"},"schema_version":"1.0"},"canonical_sha256":"8b562fe3f0a1898aef731e16520d8c38363ca9ca1908ad5e9f075057f57e6c70","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:02:40.596170Z","signature_b64":"h02AIAv8LrULKe4c7Qja5TZStuxWblee2X8GJy4Xc40IaoiybS5Zb06PJdm3b9o2gU7JVCiZp/RKaCHU3vB2Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8b562fe3f0a1898aef731e16520d8c38363ca9ca1908ad5e9f075057f57e6c70","last_reissued_at":"2026-07-05T05:02:40.595818Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:02:40.595818Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2202.06780","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":"2026-07-05T05:02:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"n7Qin0gWKDFZI4kkq0rbFQyoUXTzAa2SFosDh/RLCk2sJLl3+tJ0inolwrdoqR6UITpdvSvN2h4+qCi5iDB9BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-16T02:45:37.894282Z"},"content_sha256":"f5732a9dca0ccaf44ccd6c204797c4cb99c7f13e357978c4c352fcf1abbab431","schema_version":"1.0","event_id":"sha256:f5732a9dca0ccaf44ccd6c204797c4cb99c7f13e357978c4c352fcf1abbab431"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:RNLC7Y7QUGEYV33TDYLFEDMMHA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Galactic halo bubble magnetic fields and UHECR deflections","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Andrew M. Taylor, Arjen van Vliet, Vasundhara Shaw","submitted_at":"2022-02-14T14:59:23Z","abstract_excerpt":"We consider the synchrotron emission from electrons out in the Galactic halo bubble region where the Fermi bubble structures reside. Utilising a simple analytical expression for the non-thermal electron distribution and a toy magnetic field model, we simulate polarised synchrotron emission maps at a frequency of 30~GHz. Comparing these maps with observational data, we obtain constraints on the parameters of our toy Galactic halo bubble magnetic field model. Utilising this parameter value range for the toy magnetic field model, we determine the corresponding range of arrival directions and supp"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2202.06780","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2202.06780/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T05:02:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eBk8/bJTmDXMfxeY5+ZXpGCo1MatEjPuQtnltCXrfY5gmFC2tEULe5CsdbtG+D86KLuARhi0Dps3mtYOar/zCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-16T02:45:37.894663Z"},"content_sha256":"152b1f28a657d97d4797eacdec58352a2e8145ee854646b8f0d789ef89d011bb","schema_version":"1.0","event_id":"sha256:152b1f28a657d97d4797eacdec58352a2e8145ee854646b8f0d789ef89d011bb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RNLC7Y7QUGEYV33TDYLFEDMMHA/bundle.json","state_url":"https://pith.science/pith/RNLC7Y7QUGEYV33TDYLFEDMMHA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RNLC7Y7QUGEYV33TDYLFEDMMHA/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":"2026-07-16T02:45:37Z","links":{"resolver":"https://pith.science/pith/RNLC7Y7QUGEYV33TDYLFEDMMHA","bundle":"https://pith.science/pith/RNLC7Y7QUGEYV33TDYLFEDMMHA/bundle.json","state":"https://pith.science/pith/RNLC7Y7QUGEYV33TDYLFEDMMHA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RNLC7Y7QUGEYV33TDYLFEDMMHA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:RNLC7Y7QUGEYV33TDYLFEDMMHA","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":"caa987cbb605fe8de73249f28c37ff6bbecce928519ab4548dc43dcd6f2e3aa3","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-02-14T14:59:23Z","title_canon_sha256":"39d991e48d0d8bc2e279eef15b94a99b651576512e9e53cadf9050b56399658d"},"schema_version":"1.0","source":{"id":"2202.06780","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2202.06780","created_at":"2026-07-05T05:02:40Z"},{"alias_kind":"arxiv_version","alias_value":"2202.06780v2","created_at":"2026-07-05T05:02:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2202.06780","created_at":"2026-07-05T05:02:40Z"},{"alias_kind":"pith_short_12","alias_value":"RNLC7Y7QUGEY","created_at":"2026-07-05T05:02:40Z"},{"alias_kind":"pith_short_16","alias_value":"RNLC7Y7QUGEYV33T","created_at":"2026-07-05T05:02:40Z"},{"alias_kind":"pith_short_8","alias_value":"RNLC7Y7Q","created_at":"2026-07-05T05:02:40Z"}],"graph_snapshots":[{"event_id":"sha256:152b1f28a657d97d4797eacdec58352a2e8145ee854646b8f0d789ef89d011bb","target":"graph","created_at":"2026-07-05T05:02:40Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2202.06780/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We consider the synchrotron emission from electrons out in the Galactic halo bubble region where the Fermi bubble structures reside. Utilising a simple analytical expression for the non-thermal electron distribution and a toy magnetic field model, we simulate polarised synchrotron emission maps at a frequency of 30~GHz. Comparing these maps with observational data, we obtain constraints on the parameters of our toy Galactic halo bubble magnetic field model. Utilising this parameter value range for the toy magnetic field model, we determine the corresponding range of arrival directions and supp","authors_text":"Andrew M. Taylor, Arjen van Vliet, Vasundhara Shaw","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-02-14T14:59:23Z","title":"Galactic halo bubble magnetic fields and UHECR deflections"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2202.06780","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:f5732a9dca0ccaf44ccd6c204797c4cb99c7f13e357978c4c352fcf1abbab431","target":"record","created_at":"2026-07-05T05:02:40Z","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":"caa987cbb605fe8de73249f28c37ff6bbecce928519ab4548dc43dcd6f2e3aa3","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-02-14T14:59:23Z","title_canon_sha256":"39d991e48d0d8bc2e279eef15b94a99b651576512e9e53cadf9050b56399658d"},"schema_version":"1.0","source":{"id":"2202.06780","kind":"arxiv","version":2}},"canonical_sha256":"8b562fe3f0a1898aef731e16520d8c38363ca9ca1908ad5e9f075057f57e6c70","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8b562fe3f0a1898aef731e16520d8c38363ca9ca1908ad5e9f075057f57e6c70","first_computed_at":"2026-07-05T05:02:40.595818Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:02:40.595818Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"h02AIAv8LrULKe4c7Qja5TZStuxWblee2X8GJy4Xc40IaoiybS5Zb06PJdm3b9o2gU7JVCiZp/RKaCHU3vB2Aw==","signature_status":"signed_v1","signed_at":"2026-07-05T05:02:40.596170Z","signed_message":"canonical_sha256_bytes"},"source_id":"2202.06780","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f5732a9dca0ccaf44ccd6c204797c4cb99c7f13e357978c4c352fcf1abbab431","sha256:152b1f28a657d97d4797eacdec58352a2e8145ee854646b8f0d789ef89d011bb"],"state_sha256":"c847eec21a90c99a994e7568e5db7594f6f5da2a59ddbced06a327e4cd5c075d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZHjJuNkDR/EBMjt836anGgsvBnU8tEH3tM6D8Dg/zZ1hnxOzvy0B8kj475SI6anbiaSM4bJQVd9ODNLENCpnAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-16T02:45:37.896754Z","bundle_sha256":"013fcb0c7c59605811a667bdfeed31b6c656a04260b8ed2733410a57723b5abb"}}