{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2022:4C6R7R7MOWMWLMTCAKFOML2ACJ","short_pith_number":"pith:4C6R7R7M","schema_version":"1.0","canonical_sha256":"e0bd1fc7ec759965b262028ae62f401258f589151415d0a5f5c27d1f6d0b6bbd","source":{"kind":"arxiv","id":"2205.07293","version":1},"attestation_state":"computed","paper":{"title":"Searching for cosmic string induced stochastic gravitational wave background with the Parkes Pulsar Timing Array","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.CO","gr-qc","hep-th"],"primary_cat":"hep-ph","authors_text":"Bo Wang, Jing Shu, Junchao Zong, Ligong Bian, Qiang Yuan","submitted_at":"2022-05-15T14:23:06Z","abstract_excerpt":"We search for stochastic gravitational wave background emitted from cosmic strings using the Parkes Pulsar Timing Array data over 15 years. While we find that the common power-law excess revealed by several pulsar timing array experiments might be accounted for by the gravitational wave background from cosmic strings, the lack of the characteristic Hellings-Downs correlation cannot establish its physical origin yet. The constraints on the cosmic string model parameters are thus derived with conservative assumption that the common power-law excess is due to unknown background. Two representativ"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2205.07293","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2022-05-15T14:23:06Z","cross_cats_sorted":["astro-ph.CO","gr-qc","hep-th"],"title_canon_sha256":"b5557963349731b6e2bf6fd9a293453db776f8b40c66d88c6aef760f765c958c","abstract_canon_sha256":"161234d70c437658433f238bcbf30b4c2cc6f89f912a34d3224dbe8ba4c55883"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:18:31.487822Z","signature_b64":"cBQNr/ESFT5LDrj8zdGnwNBjsC8XLCKYuEiVYKxeFidn8xPyR10w0tI0oSaYSvr91TkEEqyKh/UCbuf1z5DCCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e0bd1fc7ec759965b262028ae62f401258f589151415d0a5f5c27d1f6d0b6bbd","last_reissued_at":"2026-07-05T05:18:31.487333Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:18:31.487333Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Searching for cosmic string induced stochastic gravitational wave background with the Parkes Pulsar Timing Array","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.CO","gr-qc","hep-th"],"primary_cat":"hep-ph","authors_text":"Bo Wang, Jing Shu, Junchao Zong, Ligong Bian, Qiang Yuan","submitted_at":"2022-05-15T14:23:06Z","abstract_excerpt":"We search for stochastic gravitational wave background emitted from cosmic strings using the Parkes Pulsar Timing Array data over 15 years. While we find that the common power-law excess revealed by several pulsar timing array experiments might be accounted for by the gravitational wave background from cosmic strings, the lack of the characteristic Hellings-Downs correlation cannot establish its physical origin yet. The constraints on the cosmic string model parameters are thus derived with conservative assumption that the common power-law excess is due to unknown background. Two representativ"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2205.07293","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2205.07293/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2205.07293","created_at":"2026-07-05T05:18:31.487393+00:00"},{"alias_kind":"arxiv_version","alias_value":"2205.07293v1","created_at":"2026-07-05T05:18:31.487393+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2205.07293","created_at":"2026-07-05T05:18:31.487393+00:00"},{"alias_kind":"pith_short_12","alias_value":"4C6R7R7MOWMW","created_at":"2026-07-05T05:18:31.487393+00:00"},{"alias_kind":"pith_short_16","alias_value":"4C6R7R7MOWMWLMTC","created_at":"2026-07-05T05:18:31.487393+00:00"},{"alias_kind":"pith_short_8","alias_value":"4C6R7R7M","created_at":"2026-07-05T05:18:31.487393+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":2,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2604.25726","citing_title":"Imprint of domain wall annihilation on induced gravitational waves","ref_index":39,"is_internal_anchor":false},{"citing_arxiv_id":"2604.09081","citing_title":"Probing High-Quality Axions with Gravitational Waves","ref_index":51,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/4C6R7R7MOWMWLMTCAKFOML2ACJ","json":"https://pith.science/pith/4C6R7R7MOWMWLMTCAKFOML2ACJ.json","graph_json":"https://pith.science/api/pith-number/4C6R7R7MOWMWLMTCAKFOML2ACJ/graph.json","events_json":"https://pith.science/api/pith-number/4C6R7R7MOWMWLMTCAKFOML2ACJ/events.json","paper":"https://pith.science/paper/4C6R7R7M"},"agent_actions":{"view_html":"https://pith.science/pith/4C6R7R7MOWMWLMTCAKFOML2ACJ","download_json":"https://pith.science/pith/4C6R7R7MOWMWLMTCAKFOML2ACJ.json","view_paper":"https://pith.science/paper/4C6R7R7M","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2205.07293&json=true","fetch_graph":"https://pith.science/api/pith-number/4C6R7R7MOWMWLMTCAKFOML2ACJ/graph.json","fetch_events":"https://pith.science/api/pith-number/4C6R7R7MOWMWLMTCAKFOML2ACJ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4C6R7R7MOWMWLMTCAKFOML2ACJ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4C6R7R7MOWMWLMTCAKFOML2ACJ/action/storage_attestation","attest_author":"https://pith.science/pith/4C6R7R7MOWMWLMTCAKFOML2ACJ/action/author_attestation","sign_citation":"https://pith.science/pith/4C6R7R7MOWMWLMTCAKFOML2ACJ/action/citation_signature","submit_replication":"https://pith.science/pith/4C6R7R7MOWMWLMTCAKFOML2ACJ/action/replication_record"}},"created_at":"2026-07-05T05:18:31.487393+00:00","updated_at":"2026-07-05T05:18:31.487393+00:00"}