{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:RKKSNLRWN65LYWZJFFP3DTHBMI","short_pith_number":"pith:RKKSNLRW","canonical_record":{"source":{"id":"1905.12847","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-05-30T04:26:49Z","cross_cats_sorted":[],"title_canon_sha256":"0814887c6ea7b0ecee906b7c1b7ca634a13d7fb71c37596f1057ae29a38fa3d7","abstract_canon_sha256":"a2c72edff60afc934a43214daca9251d76007da1b73053183d223a6feb1d66e0"},"schema_version":"1.0"},"canonical_sha256":"8a9526ae366fbabc5b29295fb1cce16216bdb8e4d91754c21f5e2c93c8a2b50b","source":{"kind":"arxiv","id":"1905.12847","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.12847","created_at":"2026-05-17T23:40:31Z"},{"alias_kind":"arxiv_version","alias_value":"1905.12847v1","created_at":"2026-05-17T23:40:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.12847","created_at":"2026-05-17T23:40:31Z"},{"alias_kind":"pith_short_12","alias_value":"RKKSNLRWN65L","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_16","alias_value":"RKKSNLRWN65LYWZJ","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_8","alias_value":"RKKSNLRW","created_at":"2026-05-18T12:33:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:RKKSNLRWN65LYWZJFFP3DTHBMI","target":"record","payload":{"canonical_record":{"source":{"id":"1905.12847","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-05-30T04:26:49Z","cross_cats_sorted":[],"title_canon_sha256":"0814887c6ea7b0ecee906b7c1b7ca634a13d7fb71c37596f1057ae29a38fa3d7","abstract_canon_sha256":"a2c72edff60afc934a43214daca9251d76007da1b73053183d223a6feb1d66e0"},"schema_version":"1.0"},"canonical_sha256":"8a9526ae366fbabc5b29295fb1cce16216bdb8e4d91754c21f5e2c93c8a2b50b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:40:31.654494Z","signature_b64":"Did23irahYpblI5qk+vFETyuTpDAmkA5Y/u8sOawCN0d04YcxHMFHijXIp+EURXSA6NmhbQAhnypdFfI7avOAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8a9526ae366fbabc5b29295fb1cce16216bdb8e4d91754c21f5e2c93c8a2b50b","last_reissued_at":"2026-05-17T23:40:31.653965Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:40:31.653965Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1905.12847","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":"2026-05-17T23:40:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZukIwGuJSligZpEojXw2dpBZXxd+Sb611q1VzPGpqRezUOnj7RSAjjV33k0WeWGY0vUlfaVjUqzNzH9DGNFkCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T07:17:47.190982Z"},"content_sha256":"21eb204d72639464ea56cad2cb0a321e0b35331ab952334fdd6d301e035e0775","schema_version":"1.0","event_id":"sha256:21eb204d72639464ea56cad2cb0a321e0b35331ab952334fdd6d301e035e0775"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:RKKSNLRWN65LYWZJFFP3DTHBMI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A high-magnetic-field radio pulsar survey with Swift/XRT","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Aya Bamba, Eri Watanabe, Shinpei Shibata, Takanori Sakamoto","submitted_at":"2019-05-30T04:26:49Z","abstract_excerpt":"We present the X-ray survey results of high-magnetic-field radio pulsars (high-B PSRs) with Swift/XRT. X-ray observations of the rotation-powered pulsars with the dipole magnetic field ${\\it B_{\\rm d}}$ near the quantum critical field ${\\it B_{\\rm q}}=4.4\\times10^{13}$ G is of great importance for understanding the transition between the rotation-powered pulsars and the magnetars, because there are a few objects that have magnetar-like properties. Out of the 27 high-B PSRs that are in the ATNF pulsar catalogue but have not been reported or have no effective upper-limits in the X-ray bands, we "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.12847","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":"2026-05-17T23:40:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"L33XZIJgoaZFJmPt8MJhoXq2DT8mbvLkZE8whtVstiGnIED5V4ztO0sWjP1PN5GbT/iC8mHnbT8eB2bdtgTYDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T07:17:47.191338Z"},"content_sha256":"dce290cab40e3b1e2560aa4ae4cf3ede3e047a2a9e50f9bbc831e2d95b3db793","schema_version":"1.0","event_id":"sha256:dce290cab40e3b1e2560aa4ae4cf3ede3e047a2a9e50f9bbc831e2d95b3db793"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RKKSNLRWN65LYWZJFFP3DTHBMI/bundle.json","state_url":"https://pith.science/pith/RKKSNLRWN65LYWZJFFP3DTHBMI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RKKSNLRWN65LYWZJFFP3DTHBMI/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":"2026-06-02T07:17:47Z","links":{"resolver":"https://pith.science/pith/RKKSNLRWN65LYWZJFFP3DTHBMI","bundle":"https://pith.science/pith/RKKSNLRWN65LYWZJFFP3DTHBMI/bundle.json","state":"https://pith.science/pith/RKKSNLRWN65LYWZJFFP3DTHBMI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RKKSNLRWN65LYWZJFFP3DTHBMI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:RKKSNLRWN65LYWZJFFP3DTHBMI","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":"a2c72edff60afc934a43214daca9251d76007da1b73053183d223a6feb1d66e0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-05-30T04:26:49Z","title_canon_sha256":"0814887c6ea7b0ecee906b7c1b7ca634a13d7fb71c37596f1057ae29a38fa3d7"},"schema_version":"1.0","source":{"id":"1905.12847","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.12847","created_at":"2026-05-17T23:40:31Z"},{"alias_kind":"arxiv_version","alias_value":"1905.12847v1","created_at":"2026-05-17T23:40:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.12847","created_at":"2026-05-17T23:40:31Z"},{"alias_kind":"pith_short_12","alias_value":"RKKSNLRWN65L","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_16","alias_value":"RKKSNLRWN65LYWZJ","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_8","alias_value":"RKKSNLRW","created_at":"2026-05-18T12:33:27Z"}],"graph_snapshots":[{"event_id":"sha256:dce290cab40e3b1e2560aa4ae4cf3ede3e047a2a9e50f9bbc831e2d95b3db793","target":"graph","created_at":"2026-05-17T23:40:31Z","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":"We present the X-ray survey results of high-magnetic-field radio pulsars (high-B PSRs) with Swift/XRT. X-ray observations of the rotation-powered pulsars with the dipole magnetic field ${\\it B_{\\rm d}}$ near the quantum critical field ${\\it B_{\\rm q}}=4.4\\times10^{13}$ G is of great importance for understanding the transition between the rotation-powered pulsars and the magnetars, because there are a few objects that have magnetar-like properties. Out of the 27 high-B PSRs that are in the ATNF pulsar catalogue but have not been reported or have no effective upper-limits in the X-ray bands, we ","authors_text":"Aya Bamba, Eri Watanabe, Shinpei Shibata, Takanori Sakamoto","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-05-30T04:26:49Z","title":"A high-magnetic-field radio pulsar survey with Swift/XRT"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.12847","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":"sha256:21eb204d72639464ea56cad2cb0a321e0b35331ab952334fdd6d301e035e0775","target":"record","created_at":"2026-05-17T23:40:31Z","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":"a2c72edff60afc934a43214daca9251d76007da1b73053183d223a6feb1d66e0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-05-30T04:26:49Z","title_canon_sha256":"0814887c6ea7b0ecee906b7c1b7ca634a13d7fb71c37596f1057ae29a38fa3d7"},"schema_version":"1.0","source":{"id":"1905.12847","kind":"arxiv","version":1}},"canonical_sha256":"8a9526ae366fbabc5b29295fb1cce16216bdb8e4d91754c21f5e2c93c8a2b50b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8a9526ae366fbabc5b29295fb1cce16216bdb8e4d91754c21f5e2c93c8a2b50b","first_computed_at":"2026-05-17T23:40:31.653965Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:40:31.653965Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Did23irahYpblI5qk+vFETyuTpDAmkA5Y/u8sOawCN0d04YcxHMFHijXIp+EURXSA6NmhbQAhnypdFfI7avOAQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:40:31.654494Z","signed_message":"canonical_sha256_bytes"},"source_id":"1905.12847","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:21eb204d72639464ea56cad2cb0a321e0b35331ab952334fdd6d301e035e0775","sha256:dce290cab40e3b1e2560aa4ae4cf3ede3e047a2a9e50f9bbc831e2d95b3db793"],"state_sha256":"e54317c1e7eed418984a6fd84dd01f10d61527386842041898c2907b40cc503c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uV4O0v4lPBgZE2KzDSNtu16/AqizoahMxnF4z6WZ2gPsO6MlhxRDjE6zWM4n5EbZLbkmhF2l/Ncw42kCPM2JBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T07:17:47.193240Z","bundle_sha256":"2581597b0faa9218ce0238203ce56b06d89690d3cb65c9e32cc3853c202a449a"}}