{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:TPED2EJXEW52C7ZLLF6YFLYMDY","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":"4d49f463417a0150730927aaee4cc186423ee7a00c442ca0d59262aa31cf3133","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-02-19T17:29:44Z","title_canon_sha256":"9cb1b0f51fbb68ac64e30c2ba5557262f0a9c0d2742868cecbc54ed6b942f6c0"},"schema_version":"1.0","source":{"id":"0802.2571","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0802.2571","created_at":"2026-07-04T17:09:22Z"},{"alias_kind":"arxiv_version","alias_value":"0802.2571v1","created_at":"2026-07-04T17:09:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0802.2571","created_at":"2026-07-04T17:09:22Z"},{"alias_kind":"pith_short_12","alias_value":"TPED2EJXEW52","created_at":"2026-07-04T17:09:22Z"},{"alias_kind":"pith_short_16","alias_value":"TPED2EJXEW52C7ZL","created_at":"2026-07-04T17:09:22Z"},{"alias_kind":"pith_short_8","alias_value":"TPED2EJX","created_at":"2026-07-04T17:09:22Z"}],"graph_snapshots":[{"event_id":"sha256:1e3c02a21288b2da272a03117b340b64ff3da97e85db25b563ac9129e06a1444","target":"graph","created_at":"2026-07-04T17:09:22Z","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/0802.2571/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We consider the details of the QED processes that create electron-positron pairs in magnetic fields approaching and exceeding 10^{14} G. The formation of free and bound pairs is addressed, and the importance of positronium dissociation by thermal X-rays is noted. We calculate the collision cross section between an X-ray and a gamma ray, and point out a resonance in the cross section when the gamma ray is close to the threshold for pair conversion. We also discuss how the pair creation rate in the open-field circuit and the outer magnetosphere can be strongly enhanced by instabilities near the ","authors_text":"Christopher Thompson","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-02-19T17:29:44Z","title":"Electrodynamics of Magnetars III: Pair Creation Processes in an Ultrastrong Magnetic Field and Particle Heating in a Dynamic Magnetosphere"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0802.2571","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":"sha256:81d575623f20c4f13b0ea50875abc37f81a0a4eec9f1f8ccb6e3d405b51cc1d6","target":"record","created_at":"2026-07-04T17:09:22Z","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":"4d49f463417a0150730927aaee4cc186423ee7a00c442ca0d59262aa31cf3133","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-02-19T17:29:44Z","title_canon_sha256":"9cb1b0f51fbb68ac64e30c2ba5557262f0a9c0d2742868cecbc54ed6b942f6c0"},"schema_version":"1.0","source":{"id":"0802.2571","kind":"arxiv","version":1}},"canonical_sha256":"9bc83d113725bba17f2b597d82af0c1e279dc6571a4847dc52cdcf2f921f2a42","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9bc83d113725bba17f2b597d82af0c1e279dc6571a4847dc52cdcf2f921f2a42","first_computed_at":"2026-07-04T17:09:22.888723Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:09:22.888723Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"t7NiMkjGUYiWkGORX25dXJ36W4I0LqcqnGZ03DGzpJXstU2cBqiW6vceP7XweOlfvWZc+5T7y/Kh1JkEAVOqAA==","signature_status":"signed_v1","signed_at":"2026-07-04T17:09:22.889061Z","signed_message":"canonical_sha256_bytes"},"source_id":"0802.2571","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:81d575623f20c4f13b0ea50875abc37f81a0a4eec9f1f8ccb6e3d405b51cc1d6","sha256:1e3c02a21288b2da272a03117b340b64ff3da97e85db25b563ac9129e06a1444"],"state_sha256":"bb6dc372c387c8c9149a364879f9cf5e158cc242481a68ecd397024b47602d2a"}