{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:B26TXQYUD5QQ47QCCNISF6FBGX","short_pith_number":"pith:B26TXQYU","canonical_record":{"source":{"id":"2009.07737","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-09-16T15:14:37Z","cross_cats_sorted":[],"title_canon_sha256":"aa6932360e55335173cf016cafe03a143648bce12ae9808c690b49a392ab9938","abstract_canon_sha256":"30513e85ea92b79179f34dd5e9068fb87cf1d6d779de58717c48c53398e22718"},"schema_version":"1.0"},"canonical_sha256":"0ebd3bc3141f610e7e02135122f8a135df3c3af582439f46a35d4d53bf15a630","source":{"kind":"arxiv","id":"2009.07737","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2009.07737","created_at":"2026-07-05T01:35:55Z"},{"alias_kind":"arxiv_version","alias_value":"2009.07737v1","created_at":"2026-07-05T01:35:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2009.07737","created_at":"2026-07-05T01:35:55Z"},{"alias_kind":"pith_short_12","alias_value":"B26TXQYUD5QQ","created_at":"2026-07-05T01:35:55Z"},{"alias_kind":"pith_short_16","alias_value":"B26TXQYUD5QQ47QC","created_at":"2026-07-05T01:35:55Z"},{"alias_kind":"pith_short_8","alias_value":"B26TXQYU","created_at":"2026-07-05T01:35:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:B26TXQYUD5QQ47QCCNISF6FBGX","target":"record","payload":{"canonical_record":{"source":{"id":"2009.07737","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-09-16T15:14:37Z","cross_cats_sorted":[],"title_canon_sha256":"aa6932360e55335173cf016cafe03a143648bce12ae9808c690b49a392ab9938","abstract_canon_sha256":"30513e85ea92b79179f34dd5e9068fb87cf1d6d779de58717c48c53398e22718"},"schema_version":"1.0"},"canonical_sha256":"0ebd3bc3141f610e7e02135122f8a135df3c3af582439f46a35d4d53bf15a630","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:35:55.483523Z","signature_b64":"v2U2q1q0EKNJz/yRt5I1ZoS5aGW5t7fEBttk0Mh31BIRvEkn8HrbJHYxf4OjQYOA6kF1xTwaEQl7quqlplt3BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0ebd3bc3141f610e7e02135122f8a135df3c3af582439f46a35d4d53bf15a630","last_reissued_at":"2026-07-05T01:35:55.483186Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:35:55.483186Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2009.07737","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":"2026-07-05T01:35:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1tnc6Neydk3SNCJ0YjYXgnj9Q4lwFQqwVflZjpj3qv0TnE4OBDP5lYBBZxpDyBYg3usiIzXjZsZ4IZVSAga9AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T09:42:19.494176Z"},"content_sha256":"efad26319589702a50bbc63cf52f2df02c0112e877b0cab878b6b597628a925d","schema_version":"1.0","event_id":"sha256:efad26319589702a50bbc63cf52f2df02c0112e877b0cab878b6b597628a925d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:B26TXQYUD5QQ47QCCNISF6FBGX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Exploring the effects of magnetar bursts in pulsar wind nebulae","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"B. Zhang, D. F. Torres, J. Martin","submitted_at":"2020-09-16T15:14:37Z","abstract_excerpt":"We explore possible effects of a magnetar burst on the radio, X-ray, and gamma-ray flux of a pulsar wind nebula (PWN). We assume that the burst injects electron-positron pairs or powers the magnetic field and explore the total energy at injection and the spectral index needed in order to increase the X-ray flux by about one order of magnitude, as well as its decay time until reaching quiescence. We also explore magnetically powered phenomenology that could explain a temporary increase of the PWN synchrotron emitted flux and perhaps the relatively common lack of PWNe surrounding magnetars. This"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2009.07737","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2009.07737/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":"2026-07-05T01:35:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hi6iTPvf7AcDf1ExRj2TuoNdq+kNSzovORfbDAqUfdXhbVJTwbnO/1hW1ZtKbU+6X5efifIGp2HLNXl0iHIHAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T09:42:19.494633Z"},"content_sha256":"6a0a91392c12adcf73e8c8e517accacbbe7ea37c8a2470998425ed83e8cc973c","schema_version":"1.0","event_id":"sha256:6a0a91392c12adcf73e8c8e517accacbbe7ea37c8a2470998425ed83e8cc973c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/B26TXQYUD5QQ47QCCNISF6FBGX/bundle.json","state_url":"https://pith.science/pith/B26TXQYUD5QQ47QCCNISF6FBGX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/B26TXQYUD5QQ47QCCNISF6FBGX/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":"2026-07-07T09:42:19Z","links":{"resolver":"https://pith.science/pith/B26TXQYUD5QQ47QCCNISF6FBGX","bundle":"https://pith.science/pith/B26TXQYUD5QQ47QCCNISF6FBGX/bundle.json","state":"https://pith.science/pith/B26TXQYUD5QQ47QCCNISF6FBGX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/B26TXQYUD5QQ47QCCNISF6FBGX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:B26TXQYUD5QQ47QCCNISF6FBGX","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":"30513e85ea92b79179f34dd5e9068fb87cf1d6d779de58717c48c53398e22718","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-09-16T15:14:37Z","title_canon_sha256":"aa6932360e55335173cf016cafe03a143648bce12ae9808c690b49a392ab9938"},"schema_version":"1.0","source":{"id":"2009.07737","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2009.07737","created_at":"2026-07-05T01:35:55Z"},{"alias_kind":"arxiv_version","alias_value":"2009.07737v1","created_at":"2026-07-05T01:35:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2009.07737","created_at":"2026-07-05T01:35:55Z"},{"alias_kind":"pith_short_12","alias_value":"B26TXQYUD5QQ","created_at":"2026-07-05T01:35:55Z"},{"alias_kind":"pith_short_16","alias_value":"B26TXQYUD5QQ47QC","created_at":"2026-07-05T01:35:55Z"},{"alias_kind":"pith_short_8","alias_value":"B26TXQYU","created_at":"2026-07-05T01:35:55Z"}],"graph_snapshots":[{"event_id":"sha256:6a0a91392c12adcf73e8c8e517accacbbe7ea37c8a2470998425ed83e8cc973c","target":"graph","created_at":"2026-07-05T01:35:55Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2009.07737/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We explore possible effects of a magnetar burst on the radio, X-ray, and gamma-ray flux of a pulsar wind nebula (PWN). We assume that the burst injects electron-positron pairs or powers the magnetic field and explore the total energy at injection and the spectral index needed in order to increase the X-ray flux by about one order of magnitude, as well as its decay time until reaching quiescence. We also explore magnetically powered phenomenology that could explain a temporary increase of the PWN synchrotron emitted flux and perhaps the relatively common lack of PWNe surrounding magnetars. This","authors_text":"B. Zhang, D. F. Torres, J. Martin","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-09-16T15:14:37Z","title":"Exploring the effects of magnetar bursts in pulsar wind nebulae"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2009.07737","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:efad26319589702a50bbc63cf52f2df02c0112e877b0cab878b6b597628a925d","target":"record","created_at":"2026-07-05T01:35:55Z","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":"30513e85ea92b79179f34dd5e9068fb87cf1d6d779de58717c48c53398e22718","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-09-16T15:14:37Z","title_canon_sha256":"aa6932360e55335173cf016cafe03a143648bce12ae9808c690b49a392ab9938"},"schema_version":"1.0","source":{"id":"2009.07737","kind":"arxiv","version":1}},"canonical_sha256":"0ebd3bc3141f610e7e02135122f8a135df3c3af582439f46a35d4d53bf15a630","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0ebd3bc3141f610e7e02135122f8a135df3c3af582439f46a35d4d53bf15a630","first_computed_at":"2026-07-05T01:35:55.483186Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:35:55.483186Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"v2U2q1q0EKNJz/yRt5I1ZoS5aGW5t7fEBttk0Mh31BIRvEkn8HrbJHYxf4OjQYOA6kF1xTwaEQl7quqlplt3BA==","signature_status":"signed_v1","signed_at":"2026-07-05T01:35:55.483523Z","signed_message":"canonical_sha256_bytes"},"source_id":"2009.07737","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:efad26319589702a50bbc63cf52f2df02c0112e877b0cab878b6b597628a925d","sha256:6a0a91392c12adcf73e8c8e517accacbbe7ea37c8a2470998425ed83e8cc973c"],"state_sha256":"0d54bf132a1958ec8b11c950057a08cd093da8ffe11cafc21399e3f8802e1cde"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"t6A66W0a6/elPQFIDgXWwrNP0y6bY25ob+TSIBpUOMIwrtWTa5UPY2dPd+RVxbtblZChBUvSCi7wMR26xxVYAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T09:42:19.496549Z","bundle_sha256":"d680a119849efb97c9b54a3ee1e5b6eb731000492d9c89afe4223b615e3d43a9"}}