{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:QUCN26P3VXNY7ZNBBGIPFJV32U","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":"cce6b1d5269f62483cd4a62d530673b89d0c6d3c88395598c44be0a0746eda23","cross_cats_sorted":["astro-ph.HE","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2020-03-31T18:00:00Z","title_canon_sha256":"fe7be282e42807cef0e74a193a904a849bff3b484f74f217b5739bf3087ef253"},"schema_version":"1.0","source":{"id":"2004.00011","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2004.00011","created_at":"2026-07-05T01:46:50Z"},{"alias_kind":"arxiv_version","alias_value":"2004.00011v1","created_at":"2026-07-05T01:46:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2004.00011","created_at":"2026-07-05T01:46:50Z"},{"alias_kind":"pith_short_12","alias_value":"QUCN26P3VXNY","created_at":"2026-07-05T01:46:50Z"},{"alias_kind":"pith_short_16","alias_value":"QUCN26P3VXNY7ZNB","created_at":"2026-07-05T01:46:50Z"},{"alias_kind":"pith_short_8","alias_value":"QUCN26P3","created_at":"2026-07-05T01:46:50Z"}],"graph_snapshots":[{"event_id":"sha256:8d3655bd62df6bdc37ecf7dde3cde8987317577929bb7de0a7faea9ec845e4fd","target":"graph","created_at":"2026-07-05T01:46:50Z","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/2004.00011/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Axion dark matter (DM) may convert to radio-frequency electromagnetic radiation in the strong magnetic fields around neutron stars. The radio signature of such a process would be an ultra-narrow spectral peak at a frequency determined by the mass of the axion particle. We analyze data we collected from the Robert C. Byrd Green Bank Telescope in the L-band and the Effelsberg 100-m Telescope in the L-Band and S-band from a number of sources expected to produce bright signals of axion-photon conversion, including the Galactic Center of the Milky Way and the nearby isolated neutron stars RX J0720.","authors_text":"Benjamin R. Safdi, Christoph Weniger, Joshua W. Foster, Oscar Macias, Ralph P. Eatough, Vladislav I. Kondratiev, Wendy M. Peters, Yonatan Kahn, Zhiquan Sun","cross_cats":["astro-ph.HE","hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2020-03-31T18:00:00Z","title":"Green Bank and Effelsberg Radio Telescope Searches for Axion Dark Matter Conversion in Neutron Star Magnetospheres"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2004.00011","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:c38f360020e441e23206537bbfca172a7d8a215da40d3af51ee30d45faaf2dd1","target":"record","created_at":"2026-07-05T01:46:50Z","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":"cce6b1d5269f62483cd4a62d530673b89d0c6d3c88395598c44be0a0746eda23","cross_cats_sorted":["astro-ph.HE","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2020-03-31T18:00:00Z","title_canon_sha256":"fe7be282e42807cef0e74a193a904a849bff3b484f74f217b5739bf3087ef253"},"schema_version":"1.0","source":{"id":"2004.00011","kind":"arxiv","version":1}},"canonical_sha256":"8504dd79fbaddb8fe5a10990f2a6bbd527088fd0001d7fa37e6366726eecf1de","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8504dd79fbaddb8fe5a10990f2a6bbd527088fd0001d7fa37e6366726eecf1de","first_computed_at":"2026-07-05T01:46:50.248591Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:46:50.248591Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6U5XOw9NSup/l0egroC6rVtDEVOaDAIwBrkJKoUWWZDp/AowOK7wx7JFWhiKLNHdexJACaqNhzT6aDn+Iq4JAw==","signature_status":"signed_v1","signed_at":"2026-07-05T01:46:50.249073Z","signed_message":"canonical_sha256_bytes"},"source_id":"2004.00011","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c38f360020e441e23206537bbfca172a7d8a215da40d3af51ee30d45faaf2dd1","sha256:8d3655bd62df6bdc37ecf7dde3cde8987317577929bb7de0a7faea9ec845e4fd"],"state_sha256":"01fadc7a2000fc356b0c603a03c938de175de80d31db44b09153645b3fa7c0f1"}