{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:DUNHE7RFOVKDNLHCZMVRQQ22VO","short_pith_number":"pith:DUNHE7RF","canonical_record":{"source":{"id":"2411.18999","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2024-11-28T08:59:46Z","cross_cats_sorted":[],"title_canon_sha256":"5196e2c28cd0e14ba94b0d02643e90e151a7f47336b62e272bab2d7b84b97936","abstract_canon_sha256":"c261a72224b02012a5e954b3f97c30281502655b5c3c04f78011957887bd769a"},"schema_version":"1.0"},"canonical_sha256":"1d1a727e25755436ace2cb2b18435aab964bb4b217e8b30f46b31e0ff7b8828d","source":{"kind":"arxiv","id":"2411.18999","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2411.18999","created_at":"2026-07-05T10:43:41Z"},{"alias_kind":"arxiv_version","alias_value":"2411.18999v2","created_at":"2026-07-05T10:43:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2411.18999","created_at":"2026-07-05T10:43:41Z"},{"alias_kind":"pith_short_12","alias_value":"DUNHE7RFOVKD","created_at":"2026-07-05T10:43:41Z"},{"alias_kind":"pith_short_16","alias_value":"DUNHE7RFOVKDNLHC","created_at":"2026-07-05T10:43:41Z"},{"alias_kind":"pith_short_8","alias_value":"DUNHE7RF","created_at":"2026-07-05T10:43:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:DUNHE7RFOVKDNLHCZMVRQQ22VO","target":"record","payload":{"canonical_record":{"source":{"id":"2411.18999","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2024-11-28T08:59:46Z","cross_cats_sorted":[],"title_canon_sha256":"5196e2c28cd0e14ba94b0d02643e90e151a7f47336b62e272bab2d7b84b97936","abstract_canon_sha256":"c261a72224b02012a5e954b3f97c30281502655b5c3c04f78011957887bd769a"},"schema_version":"1.0"},"canonical_sha256":"1d1a727e25755436ace2cb2b18435aab964bb4b217e8b30f46b31e0ff7b8828d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:43:41.262800Z","signature_b64":"3qjW/FS3E1fRAIi4QmPxO8rPa01YPXTYUbA9ovW4inW2HddWx7jFs80KrV7OiC13UdvT8K8wZL653buAcRorDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1d1a727e25755436ace2cb2b18435aab964bb4b217e8b30f46b31e0ff7b8828d","last_reissued_at":"2026-07-05T10:43:41.262306Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:43:41.262306Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2411.18999","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T10:43:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NW3cvJKpQhIFMmA8GWpHKKSqZYMsKwddIrJTn/1eyvyFndTu7go7pgKfJLSg5KKi4a/b42p9vGVC9xn+qPUmBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T10:23:55.976447Z"},"content_sha256":"6a681b39f0cd51e9b9dc68a4f9fff788fd089e14a0c08fb8989729e8689cd854","schema_version":"1.0","event_id":"sha256:6a681b39f0cd51e9b9dc68a4f9fff788fd089e14a0c08fb8989729e8689cd854"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:DUNHE7RFOVKDNLHCZMVRQQ22VO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Rapid Rotation of Polarization Orientations in PSR B1919+21's Single Pulses: Implications On Pulsar's Magnetospheric Dynamics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Jaroslaw Dyks, Jiguang Lu, Jinchen Jiang, Kejia Lee, Lucy S. Oswald, Renxin Xu, Shunshun Cao, Weiyang Wang","submitted_at":"2024-11-28T08:59:46Z","abstract_excerpt":"We analyze and model rapid rotations of polarization orientations in PSR B1919+21's single pulses based on Five-hundred-meter Aperture Spherical radio Telescope observation data. In more than one-third of B1919+21's single pulses, the polarization position angle (PA) is found to rotate quasi-monotonically with pulse longitude, by over 180 degrees or even 360 degrees. Some single pulse PA even rotates by over 540 degrees. Most of these quasi-monotonic PA curves have negative slopes with respect to pulse longitude. Oscillations of circular polarization fraction accompany these PA rotations. This"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2411.18999","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2411.18999/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T10:43:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HFnxJ2g0j+i8+124Ew2TgjB5YB7IJLs+0juqdu4pzm1c2QBJrjBtS68R1ARrhY8BT++3b4SHoNzlSSmwkfltBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T10:23:55.977020Z"},"content_sha256":"47753b79f2cdec64446c53fb9a16e88de3dcabb25d016505c43a5a6d444347b1","schema_version":"1.0","event_id":"sha256:47753b79f2cdec64446c53fb9a16e88de3dcabb25d016505c43a5a6d444347b1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DUNHE7RFOVKDNLHCZMVRQQ22VO/bundle.json","state_url":"https://pith.science/pith/DUNHE7RFOVKDNLHCZMVRQQ22VO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DUNHE7RFOVKDNLHCZMVRQQ22VO/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":"2026-08-08T10:23:55Z","links":{"resolver":"https://pith.science/pith/DUNHE7RFOVKDNLHCZMVRQQ22VO","bundle":"https://pith.science/pith/DUNHE7RFOVKDNLHCZMVRQQ22VO/bundle.json","state":"https://pith.science/pith/DUNHE7RFOVKDNLHCZMVRQQ22VO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DUNHE7RFOVKDNLHCZMVRQQ22VO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:DUNHE7RFOVKDNLHCZMVRQQ22VO","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":"c261a72224b02012a5e954b3f97c30281502655b5c3c04f78011957887bd769a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2024-11-28T08:59:46Z","title_canon_sha256":"5196e2c28cd0e14ba94b0d02643e90e151a7f47336b62e272bab2d7b84b97936"},"schema_version":"1.0","source":{"id":"2411.18999","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2411.18999","created_at":"2026-07-05T10:43:41Z"},{"alias_kind":"arxiv_version","alias_value":"2411.18999v2","created_at":"2026-07-05T10:43:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2411.18999","created_at":"2026-07-05T10:43:41Z"},{"alias_kind":"pith_short_12","alias_value":"DUNHE7RFOVKD","created_at":"2026-07-05T10:43:41Z"},{"alias_kind":"pith_short_16","alias_value":"DUNHE7RFOVKDNLHC","created_at":"2026-07-05T10:43:41Z"},{"alias_kind":"pith_short_8","alias_value":"DUNHE7RF","created_at":"2026-07-05T10:43:41Z"}],"graph_snapshots":[{"event_id":"sha256:47753b79f2cdec64446c53fb9a16e88de3dcabb25d016505c43a5a6d444347b1","target":"graph","created_at":"2026-07-05T10:43:41Z","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/2411.18999/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We analyze and model rapid rotations of polarization orientations in PSR B1919+21's single pulses based on Five-hundred-meter Aperture Spherical radio Telescope observation data. In more than one-third of B1919+21's single pulses, the polarization position angle (PA) is found to rotate quasi-monotonically with pulse longitude, by over 180 degrees or even 360 degrees. Some single pulse PA even rotates by over 540 degrees. Most of these quasi-monotonic PA curves have negative slopes with respect to pulse longitude. Oscillations of circular polarization fraction accompany these PA rotations. This","authors_text":"Jaroslaw Dyks, Jiguang Lu, Jinchen Jiang, Kejia Lee, Lucy S. Oswald, Renxin Xu, Shunshun Cao, Weiyang Wang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2024-11-28T08:59:46Z","title":"Rapid Rotation of Polarization Orientations in PSR B1919+21's Single Pulses: Implications On Pulsar's Magnetospheric Dynamics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2411.18999","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":"sha256:6a681b39f0cd51e9b9dc68a4f9fff788fd089e14a0c08fb8989729e8689cd854","target":"record","created_at":"2026-07-05T10:43:41Z","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":"c261a72224b02012a5e954b3f97c30281502655b5c3c04f78011957887bd769a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2024-11-28T08:59:46Z","title_canon_sha256":"5196e2c28cd0e14ba94b0d02643e90e151a7f47336b62e272bab2d7b84b97936"},"schema_version":"1.0","source":{"id":"2411.18999","kind":"arxiv","version":2}},"canonical_sha256":"1d1a727e25755436ace2cb2b18435aab964bb4b217e8b30f46b31e0ff7b8828d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1d1a727e25755436ace2cb2b18435aab964bb4b217e8b30f46b31e0ff7b8828d","first_computed_at":"2026-07-05T10:43:41.262306Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:43:41.262306Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3qjW/FS3E1fRAIi4QmPxO8rPa01YPXTYUbA9ovW4inW2HddWx7jFs80KrV7OiC13UdvT8K8wZL653buAcRorDA==","signature_status":"signed_v1","signed_at":"2026-07-05T10:43:41.262800Z","signed_message":"canonical_sha256_bytes"},"source_id":"2411.18999","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6a681b39f0cd51e9b9dc68a4f9fff788fd089e14a0c08fb8989729e8689cd854","sha256:47753b79f2cdec64446c53fb9a16e88de3dcabb25d016505c43a5a6d444347b1"],"state_sha256":"2e1f50154c14504cc79a2bf6631ce7af59a53d426b1bfecfe22c071dd9543a4b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+CkOxlRX5gDjne2B4KMUi6BWsEXGjU9V4kgYZqdMuZ8vjI7FCXTnjcp7SUcZP/jeYgJR2eSa13YLqK+yVx3HCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T10:23:55.980959Z","bundle_sha256":"ca07faac1a140f13c3aa8ce683cbd961d0ae03962ac47b053ec14d61dd00db97"}}