{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:3D5WVMZCZZK6CRR7EOLA6RS5WM","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":"62de4633ab0a09d4a166e1b8a13d08d6ba1abc50b862b1d7994475bad5d6d70c","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2026-07-07T15:50:14Z","title_canon_sha256":"8c07fb43cdcc4bf828e3aaa42dadcf0a80c88657877233c315f437f56d627b2c"},"schema_version":"1.0","source":{"id":"2607.06422","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.06422","created_at":"2026-07-08T01:19:24Z"},{"alias_kind":"arxiv_version","alias_value":"2607.06422v1","created_at":"2026-07-08T01:19:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.06422","created_at":"2026-07-08T01:19:24Z"},{"alias_kind":"pith_short_12","alias_value":"3D5WVMZCZZK6","created_at":"2026-07-08T01:19:24Z"},{"alias_kind":"pith_short_16","alias_value":"3D5WVMZCZZK6CRR7","created_at":"2026-07-08T01:19:24Z"},{"alias_kind":"pith_short_8","alias_value":"3D5WVMZC","created_at":"2026-07-08T01:19:24Z"}],"graph_snapshots":[{"event_id":"sha256:6ed8ad98eebb9863f8cb3fbd7462b962b2fc2eb062fdae80df356cc3c39e65b7","target":"graph","created_at":"2026-07-08T01:19:24Z","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/2607.06422/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"{We study low-energy photon propagation in a constant magnetic field within the one-loop Heisenberg--Euler theory, retaining the refractive-index normalization $\\gamma_s$ without expansion. Here ``finite-field'' denotes exact dependence on $B/B_{\\rm cr}$ within the one-loop, constant-field approximation. The resulting birefringence is propagated into magnetar polarization transport. In a centered-dipole model, the polarization-limiting radius is unchanged to better than $10^{-12}$ because mode decoupling occurs at $\\sim10^2R_{\\rm NS}$, where $B\\ll B_{\\rm cr}$. Near the surface, however, the we","authors_text":"F. A. Chishtie, S. Abbassi, S. R. Valluri","cross_cats":["hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2026-07-07T15:50:14Z","title":"Finite-Field QED Corrections to Vacuum Birefringence and Magnetar Polarization Transport"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.06422","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":"sha256:744665f6f2615714b8d783ef32b3ae2b032913e3a9825264a1d912c79a72a94a","target":"record","created_at":"2026-07-08T01:19:24Z","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":"62de4633ab0a09d4a166e1b8a13d08d6ba1abc50b862b1d7994475bad5d6d70c","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2026-07-07T15:50:14Z","title_canon_sha256":"8c07fb43cdcc4bf828e3aaa42dadcf0a80c88657877233c315f437f56d627b2c"},"schema_version":"1.0","source":{"id":"2607.06422","kind":"arxiv","version":1}},"canonical_sha256":"d8fb6ab322ce55e1463f23960f465db32a2cb9f2de2e9ef1c0ab7bc4e10acc02","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d8fb6ab322ce55e1463f23960f465db32a2cb9f2de2e9ef1c0ab7bc4e10acc02","first_computed_at":"2026-07-08T01:19:24.882822Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-08T01:19:24.882822Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NFP/GfJsp7VqeyOyNQAtiyCklui6ONekvii4avE6XLjLrU/cpNbuNWp+IassRZ4dYcC0D/RgQHnj38XDgnPyAA==","signature_status":"signed_v1","signed_at":"2026-07-08T01:19:24.883248Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.06422","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:744665f6f2615714b8d783ef32b3ae2b032913e3a9825264a1d912c79a72a94a","sha256:6ed8ad98eebb9863f8cb3fbd7462b962b2fc2eb062fdae80df356cc3c39e65b7"],"state_sha256":"38928686e92d90959513c36e1c01c7fe4b6359b6969c5420e2ec1e987ca4f52c"}