{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2005:GDOO6PPAMGZHX4UENPMOPP6R25","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":"2254261c419683373bf03c749ca1c8cddeed2624a59f2bdb42e6b9d7b80914e6","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2005-05-12T09:36:21Z","title_canon_sha256":"eff905f0a5d48c45a25b3afb781d2105803605481945af29cd84bf23abba121d"},"schema_version":"1.0","source":{"id":"astro-ph/0505244","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0505244","created_at":"2026-05-18T04:18:14Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0505244v2","created_at":"2026-05-18T04:18:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0505244","created_at":"2026-05-18T04:18:14Z"},{"alias_kind":"pith_short_12","alias_value":"GDOO6PPAMGZH","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"GDOO6PPAMGZHX4UE","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"GDOO6PPA","created_at":"2026-05-18T12:25:53Z"}],"graph_snapshots":[{"event_id":"sha256:ca14ae07e0ca4106a4643e89091a5a57d8626eabd1eb51327d21b9ca931b2ac5","target":"graph","created_at":"2026-05-18T04:18:14Z","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":"New low-frequency 74 and 330 MHz observations of the Galactic center (GC) region reveal the presence of a large-scale ($6\\arcdeg\\times 2\\arcdeg$) diffuse source of nonthermal synchrotron emission. A minimum energy analysis of this emission yields a total energy of $\\sim (\\phi^{4/7}f^{3/7})\\times 10^{52}$ ergs and a magnetic field strength of $\\sim 6(\\phi/f)^{2/7}$ \\muG (where $\\phi$ is the proton to electron energy ratio and $f$ is the filling factor of the synchrotron emitting gas). The equipartition particle energy density is $1.2(\\phi/f)^{2/7}$ \\evcm, a value consistent with cosmic-ray data","authors_text":"C. L. Brogan (Inst. for Astron., M. E. Nord (NRL; Univ. of New Mexico), N. E. Kassim (Remote Sensing, NRL), S. N. Shore (Dip. di Fisica, T. J. Lazio, T. N. LaRosa (Kennesaw State Univ.), Univ. di Pisa), Univ. of Hawaii)","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2005-05-12T09:36:21Z","title":"Evidence for a Weak Galactic Center Magnetic Field from Diffuse Low Frequency Nonthermal Radio Emission"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0505244","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:ecd74743fed647cc24758d0a6f4b930188e6822af2fda8a15ce527b15c338232","target":"record","created_at":"2026-05-18T04:18:14Z","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":"2254261c419683373bf03c749ca1c8cddeed2624a59f2bdb42e6b9d7b80914e6","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2005-05-12T09:36:21Z","title_canon_sha256":"eff905f0a5d48c45a25b3afb781d2105803605481945af29cd84bf23abba121d"},"schema_version":"1.0","source":{"id":"astro-ph/0505244","kind":"arxiv","version":2}},"canonical_sha256":"30dcef3de061b27bf2846bd8e7bfd1d77f475e917f68690b56df22a7a0f77ae7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"30dcef3de061b27bf2846bd8e7bfd1d77f475e917f68690b56df22a7a0f77ae7","first_computed_at":"2026-05-18T04:18:14.375160Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:18:14.375160Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Aw9ownbWKfsP/4OLEgIjKk9ooJfJcIpnD3LTOXRRfCoUDtPi1JBzdDsJh1eJaB1RRArUbACxUoqTjJ7HADiACQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:18:14.375918Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0505244","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ecd74743fed647cc24758d0a6f4b930188e6822af2fda8a15ce527b15c338232","sha256:ca14ae07e0ca4106a4643e89091a5a57d8626eabd1eb51327d21b9ca931b2ac5"],"state_sha256":"c222fd56f0db70858d98a36c2503887a3d596856cf61c4e8ea85d28f6811e0fc"}