{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:5LFLXL3YNFH6J33XLHDURBPHMM","short_pith_number":"pith:5LFLXL3Y","canonical_record":{"source":{"id":"1811.03961","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-11-08T13:02:38Z","cross_cats_sorted":[],"title_canon_sha256":"e9a8a03949147be34d0c8b61b64233bd82603e03cf3b5c2528effc9109dca6e2","abstract_canon_sha256":"bae0151608d56e1e1275b56cddd62d78e2d706c2ac75d024e27978d4c80f6671"},"schema_version":"1.0"},"canonical_sha256":"eacabbaf78694fe4ef7759c74885e763075545f121543aab643512e6e2f80d8b","source":{"kind":"arxiv","id":"1811.03961","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.03961","created_at":"2026-05-18T00:01:11Z"},{"alias_kind":"arxiv_version","alias_value":"1811.03961v1","created_at":"2026-05-18T00:01:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.03961","created_at":"2026-05-18T00:01:11Z"},{"alias_kind":"pith_short_12","alias_value":"5LFLXL3YNFH6","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_16","alias_value":"5LFLXL3YNFH6J33X","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_8","alias_value":"5LFLXL3Y","created_at":"2026-05-18T12:32:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:5LFLXL3YNFH6J33XLHDURBPHMM","target":"record","payload":{"canonical_record":{"source":{"id":"1811.03961","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-11-08T13:02:38Z","cross_cats_sorted":[],"title_canon_sha256":"e9a8a03949147be34d0c8b61b64233bd82603e03cf3b5c2528effc9109dca6e2","abstract_canon_sha256":"bae0151608d56e1e1275b56cddd62d78e2d706c2ac75d024e27978d4c80f6671"},"schema_version":"1.0"},"canonical_sha256":"eacabbaf78694fe4ef7759c74885e763075545f121543aab643512e6e2f80d8b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:01:11.421794Z","signature_b64":"KAmLh68YvkME4As0PmVLS99+KY9MESTQgM9UOm+h0YfwCnUkbHuePZV0Xry5PIhBqUWQXtaa32izFx/hrVwPAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"eacabbaf78694fe4ef7759c74885e763075545f121543aab643512e6e2f80d8b","last_reissued_at":"2026-05-18T00:01:11.421142Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:01:11.421142Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1811.03961","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":"2026-05-18T00:01:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"i9STj2LLj9VY0ilsSiKEJyg5iLIygncO5DSbLS3PRWl/nNnDHnjqC/Csf+sMmVAaHhNHQ87c+MOZb/ELk+MwAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T17:55:02.004311Z"},"content_sha256":"5644f97d92afd14ba4380b37589419f27313981e4a1e35fc913c438accb1d374","schema_version":"1.0","event_id":"sha256:5644f97d92afd14ba4380b37589419f27313981e4a1e35fc913c438accb1d374"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:5LFLXL3YNFH6J33XLHDURBPHMM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Magnetic-oscillation mechanism for understanding periodic or quasi-periodic modulation of the timing residuals from pulsars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Anzhong Wang, Chunhua Zhu, Guoliang L\\\"u, Lin Li, Zhaojun Wang","submitted_at":"2018-11-08T13:02:38Z","abstract_excerpt":"Highly precise pulsar timing is very important for understanding the nature of neutron stars and the implied physics, even being used to detect directly gravitational waves. Unfortunately, the accuracy of the pulsar timing is seriously affected by the spin-down irregularities, such as spin fluctuations with a manifestation of low frequency structures (the so-called red noise processes), and various activities of magnetospheres. Except from the random timing noise, significant periodic or quasi-periodic components could also be found in some timing residuals of pulsars, indicating the presence "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.03961","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":"2026-05-18T00:01:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"I5v9upe9GM+nEAVfsEX1ul3uRf7YsffpM6t230hllPqQ2gfJ7jNItq9lK4B6/JWvylehUKuHFlzlxoSpwyL2Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T17:55:02.004956Z"},"content_sha256":"e6cb88c49f9b47737f4a460a69f2d75e6630648e2d760233f16bb3785164de38","schema_version":"1.0","event_id":"sha256:e6cb88c49f9b47737f4a460a69f2d75e6630648e2d760233f16bb3785164de38"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5LFLXL3YNFH6J33XLHDURBPHMM/bundle.json","state_url":"https://pith.science/pith/5LFLXL3YNFH6J33XLHDURBPHMM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5LFLXL3YNFH6J33XLHDURBPHMM/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":"2026-05-26T17:55:02Z","links":{"resolver":"https://pith.science/pith/5LFLXL3YNFH6J33XLHDURBPHMM","bundle":"https://pith.science/pith/5LFLXL3YNFH6J33XLHDURBPHMM/bundle.json","state":"https://pith.science/pith/5LFLXL3YNFH6J33XLHDURBPHMM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5LFLXL3YNFH6J33XLHDURBPHMM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:5LFLXL3YNFH6J33XLHDURBPHMM","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":"bae0151608d56e1e1275b56cddd62d78e2d706c2ac75d024e27978d4c80f6671","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-11-08T13:02:38Z","title_canon_sha256":"e9a8a03949147be34d0c8b61b64233bd82603e03cf3b5c2528effc9109dca6e2"},"schema_version":"1.0","source":{"id":"1811.03961","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.03961","created_at":"2026-05-18T00:01:11Z"},{"alias_kind":"arxiv_version","alias_value":"1811.03961v1","created_at":"2026-05-18T00:01:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.03961","created_at":"2026-05-18T00:01:11Z"},{"alias_kind":"pith_short_12","alias_value":"5LFLXL3YNFH6","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_16","alias_value":"5LFLXL3YNFH6J33X","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_8","alias_value":"5LFLXL3Y","created_at":"2026-05-18T12:32:08Z"}],"graph_snapshots":[{"event_id":"sha256:e6cb88c49f9b47737f4a460a69f2d75e6630648e2d760233f16bb3785164de38","target":"graph","created_at":"2026-05-18T00:01:11Z","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":"Highly precise pulsar timing is very important for understanding the nature of neutron stars and the implied physics, even being used to detect directly gravitational waves. Unfortunately, the accuracy of the pulsar timing is seriously affected by the spin-down irregularities, such as spin fluctuations with a manifestation of low frequency structures (the so-called red noise processes), and various activities of magnetospheres. Except from the random timing noise, significant periodic or quasi-periodic components could also be found in some timing residuals of pulsars, indicating the presence ","authors_text":"Anzhong Wang, Chunhua Zhu, Guoliang L\\\"u, Lin Li, Zhaojun Wang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-11-08T13:02:38Z","title":"Magnetic-oscillation mechanism for understanding periodic or quasi-periodic modulation of the timing residuals from pulsars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.03961","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":"sha256:5644f97d92afd14ba4380b37589419f27313981e4a1e35fc913c438accb1d374","target":"record","created_at":"2026-05-18T00:01:11Z","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":"bae0151608d56e1e1275b56cddd62d78e2d706c2ac75d024e27978d4c80f6671","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-11-08T13:02:38Z","title_canon_sha256":"e9a8a03949147be34d0c8b61b64233bd82603e03cf3b5c2528effc9109dca6e2"},"schema_version":"1.0","source":{"id":"1811.03961","kind":"arxiv","version":1}},"canonical_sha256":"eacabbaf78694fe4ef7759c74885e763075545f121543aab643512e6e2f80d8b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"eacabbaf78694fe4ef7759c74885e763075545f121543aab643512e6e2f80d8b","first_computed_at":"2026-05-18T00:01:11.421142Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:01:11.421142Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KAmLh68YvkME4As0PmVLS99+KY9MESTQgM9UOm+h0YfwCnUkbHuePZV0Xry5PIhBqUWQXtaa32izFx/hrVwPAg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:01:11.421794Z","signed_message":"canonical_sha256_bytes"},"source_id":"1811.03961","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5644f97d92afd14ba4380b37589419f27313981e4a1e35fc913c438accb1d374","sha256:e6cb88c49f9b47737f4a460a69f2d75e6630648e2d760233f16bb3785164de38"],"state_sha256":"b39c4b2053c29ee5bdbcfdb50724c0772ec72ad120a682633b92fba5a299ccc8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jGL38essBnVrryL/2sv+NfowaG3tg62/IQWDEl85c5dfSrQdPFxlXcGfOu4geXYgucY5MISnNiomqzN1jNqYDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T17:55:02.008361Z","bundle_sha256":"6ec048cfb59f70c649b39040b35235410b42ce78d534569ba61aed5827974bd3"}}