{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:DR657IQUE7GBCPHLDNKU3VDDLM","short_pith_number":"pith:DR657IQU","canonical_record":{"source":{"id":"1104.5357","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-04-28T11:20:57Z","cross_cats_sorted":[],"title_canon_sha256":"ee16eff81652b2f986991d6483f67245c671d3403d552bbb11cc42a199a83870","abstract_canon_sha256":"59c99fa3d093dd8619d9e6cf8dded62decd7a7566a55b605675896e11f6d8525"},"schema_version":"1.0"},"canonical_sha256":"1c7ddfa21427cc113ceb1b554dd4635b0a6f8d1412bcc21b34083ab97e9da253","source":{"kind":"arxiv","id":"1104.5357","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1104.5357","created_at":"2026-05-18T02:02:13Z"},{"alias_kind":"arxiv_version","alias_value":"1104.5357v1","created_at":"2026-05-18T02:02:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1104.5357","created_at":"2026-05-18T02:02:13Z"},{"alias_kind":"pith_short_12","alias_value":"DR657IQUE7GB","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_16","alias_value":"DR657IQUE7GBCPHL","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_8","alias_value":"DR657IQU","created_at":"2026-05-18T12:26:26Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:DR657IQUE7GBCPHLDNKU3VDDLM","target":"record","payload":{"canonical_record":{"source":{"id":"1104.5357","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-04-28T11:20:57Z","cross_cats_sorted":[],"title_canon_sha256":"ee16eff81652b2f986991d6483f67245c671d3403d552bbb11cc42a199a83870","abstract_canon_sha256":"59c99fa3d093dd8619d9e6cf8dded62decd7a7566a55b605675896e11f6d8525"},"schema_version":"1.0"},"canonical_sha256":"1c7ddfa21427cc113ceb1b554dd4635b0a6f8d1412bcc21b34083ab97e9da253","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:02:13.642379Z","signature_b64":"j8ZoeRGUpFZbCKmokGs7vjEKRWIs29HTIWAsdoOC6Syf+Yx3Xecs9ObM6hru3nAOP05G9g1A/itzhlLcOG3bDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1c7ddfa21427cc113ceb1b554dd4635b0a6f8d1412bcc21b34083ab97e9da253","last_reissued_at":"2026-05-18T02:02:13.641557Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:02:13.641557Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1104.5357","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":"2026-05-18T02:02:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/8PAKBNHjUhfXJMa5Gg7j9Z3gbvby17pEyEHet9bVLIkoVnVsN+86pf929K7Zlym/BehqOT0dMFl4aUDvq2RAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T19:57:23.564795Z"},"content_sha256":"5fca4a369bfe9022365e1aa6e79906032b60d29f43960625e3222cd9dc7fdf0b","schema_version":"1.0","event_id":"sha256:5fca4a369bfe9022365e1aa6e79906032b60d29f43960625e3222cd9dc7fdf0b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:DR657IQUE7GBCPHLDNKU3VDDLM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Pulsar Outer-gap Electrodynamics: Hardening of Spectral Shape in the Trailing Peak in Gamma-ray Light Curve","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Kouichi Hirotani","submitted_at":"2011-04-28T11:20:57Z","abstract_excerpt":"The spectral characteristics of the pulsed gamma-ray emission from outer-magnetospheric particle accelerators are investigated. Either positrons or electrons are accelerated outwards by the magnetic-field-aligned electric field to emit gamma-rays via curvature process. Since the particles move along relatively straight paths in the trailing side of a rotating magnetosphere, they attain higher Lorentz factors to emit more energetic gamma-rays than those in the leading side. It is first demonstrated that the cutoff energy of the curvature radiation evolves with the rotation phase owing to the va"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1104.5357","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":""},"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":"2026-05-18T02:02:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iXJp7P7BtVAjBFpQfdJhqI18ESIS0xMv/J6ADNQpQ+eCIkumT4YJfmmEWK0uNEzuZ2F29FvOBt12oyQxczwxBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T19:57:23.565174Z"},"content_sha256":"f0abd2731140e964e407f604bb955e98c08ddb9c239d96dc10f00a06c940245d","schema_version":"1.0","event_id":"sha256:f0abd2731140e964e407f604bb955e98c08ddb9c239d96dc10f00a06c940245d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DR657IQUE7GBCPHLDNKU3VDDLM/bundle.json","state_url":"https://pith.science/pith/DR657IQUE7GBCPHLDNKU3VDDLM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DR657IQUE7GBCPHLDNKU3VDDLM/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":"2026-06-03T19:57:23Z","links":{"resolver":"https://pith.science/pith/DR657IQUE7GBCPHLDNKU3VDDLM","bundle":"https://pith.science/pith/DR657IQUE7GBCPHLDNKU3VDDLM/bundle.json","state":"https://pith.science/pith/DR657IQUE7GBCPHLDNKU3VDDLM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DR657IQUE7GBCPHLDNKU3VDDLM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:DR657IQUE7GBCPHLDNKU3VDDLM","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":"59c99fa3d093dd8619d9e6cf8dded62decd7a7566a55b605675896e11f6d8525","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-04-28T11:20:57Z","title_canon_sha256":"ee16eff81652b2f986991d6483f67245c671d3403d552bbb11cc42a199a83870"},"schema_version":"1.0","source":{"id":"1104.5357","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1104.5357","created_at":"2026-05-18T02:02:13Z"},{"alias_kind":"arxiv_version","alias_value":"1104.5357v1","created_at":"2026-05-18T02:02:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1104.5357","created_at":"2026-05-18T02:02:13Z"},{"alias_kind":"pith_short_12","alias_value":"DR657IQUE7GB","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_16","alias_value":"DR657IQUE7GBCPHL","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_8","alias_value":"DR657IQU","created_at":"2026-05-18T12:26:26Z"}],"graph_snapshots":[{"event_id":"sha256:f0abd2731140e964e407f604bb955e98c08ddb9c239d96dc10f00a06c940245d","target":"graph","created_at":"2026-05-18T02:02:13Z","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":"The spectral characteristics of the pulsed gamma-ray emission from outer-magnetospheric particle accelerators are investigated. Either positrons or electrons are accelerated outwards by the magnetic-field-aligned electric field to emit gamma-rays via curvature process. Since the particles move along relatively straight paths in the trailing side of a rotating magnetosphere, they attain higher Lorentz factors to emit more energetic gamma-rays than those in the leading side. It is first demonstrated that the cutoff energy of the curvature radiation evolves with the rotation phase owing to the va","authors_text":"Kouichi Hirotani","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-04-28T11:20:57Z","title":"Pulsar Outer-gap Electrodynamics: Hardening of Spectral Shape in the Trailing Peak in Gamma-ray Light Curve"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1104.5357","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":"sha256:5fca4a369bfe9022365e1aa6e79906032b60d29f43960625e3222cd9dc7fdf0b","target":"record","created_at":"2026-05-18T02:02:13Z","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":"59c99fa3d093dd8619d9e6cf8dded62decd7a7566a55b605675896e11f6d8525","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-04-28T11:20:57Z","title_canon_sha256":"ee16eff81652b2f986991d6483f67245c671d3403d552bbb11cc42a199a83870"},"schema_version":"1.0","source":{"id":"1104.5357","kind":"arxiv","version":1}},"canonical_sha256":"1c7ddfa21427cc113ceb1b554dd4635b0a6f8d1412bcc21b34083ab97e9da253","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1c7ddfa21427cc113ceb1b554dd4635b0a6f8d1412bcc21b34083ab97e9da253","first_computed_at":"2026-05-18T02:02:13.641557Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:02:13.641557Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"j8ZoeRGUpFZbCKmokGs7vjEKRWIs29HTIWAsdoOC6Syf+Yx3Xecs9ObM6hru3nAOP05G9g1A/itzhlLcOG3bDA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:02:13.642379Z","signed_message":"canonical_sha256_bytes"},"source_id":"1104.5357","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5fca4a369bfe9022365e1aa6e79906032b60d29f43960625e3222cd9dc7fdf0b","sha256:f0abd2731140e964e407f604bb955e98c08ddb9c239d96dc10f00a06c940245d"],"state_sha256":"0b2cd1ee59e9b434ac1735372064d7c7f6b81e68b311d9ab80464a2490cb118c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XdlWqEZIHzPidoqL13jjneStk/Vrr2Hf3bRfv5sMX2V+zX/yddojcaFpVqRLL0mfCZmLnzj2HqOGM/GZbQmqBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T19:57:23.567114Z","bundle_sha256":"3b5b950d97339d2e67af6e31339377d8f5c13d8c0c99de7bc2dce186db753c3e"}}