{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2023:PAGEDH5IE4LGHESDXEAX3LEWRB","short_pith_number":"pith:PAGEDH5I","schema_version":"1.0","canonical_sha256":"780c419fa82716639243b9017dac968844831cdf2d6c1a66e8ef0dbbfaedcb3c","source":{"kind":"arxiv","id":"2307.00746","version":2},"attestation_state":"computed","paper":{"title":"Clockwork axion footprint on nano-hertz stochastic gravitational wave background","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"hep-ph","authors_text":"Bo-Qiang Lu, Cheng-Wei Chiang, Tianjun Li","submitted_at":"2023-07-03T04:46:24Z","abstract_excerpt":"The recent Pulsar Timing Arrays (PTAs) nano-Hz gravitational wave (GW) background signal can be naturally induced by the annihilation of domain walls (DWs) formed at a symmetry-breaking scale $f\\simeq 200$~TeV in the clockwork axion framework. Based on our first successful and precise prediction, we for the first time suggest that the recent PTA observations strongly support the novel mechanism of the QCD instanton-induced DW annihilation in the clockwork axion framework. We also for the first time discover a novel correlation between dark matter (DM) relic abundance and nano-Hz GW background,"},"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":"2307.00746","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"hep-ph","submitted_at":"2023-07-03T04:46:24Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"8521c2729be5736de2abf7a11dc768b0326e3666656b543790a3f8028c3ceeb7","abstract_canon_sha256":"9814a75e3c52635c08564f910deee2ff21ac767fd1fba521f24cdf4a1f0f624b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:04:13.169065Z","signature_b64":"Zw3ogznAEfOPTCL+8AeUJANB33yEW7g521KvXA7WTWjBqySvCLfgo83JCHUZoYdRui/6LGyB/FGos9FsM7LsBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"780c419fa82716639243b9017dac968844831cdf2d6c1a66e8ef0dbbfaedcb3c","last_reissued_at":"2026-07-05T08:04:13.168603Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:04:13.168603Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Clockwork axion footprint on nano-hertz stochastic gravitational wave background","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"hep-ph","authors_text":"Bo-Qiang Lu, Cheng-Wei Chiang, Tianjun Li","submitted_at":"2023-07-03T04:46:24Z","abstract_excerpt":"The recent Pulsar Timing Arrays (PTAs) nano-Hz gravitational wave (GW) background signal can be naturally induced by the annihilation of domain walls (DWs) formed at a symmetry-breaking scale $f\\simeq 200$~TeV in the clockwork axion framework. Based on our first successful and precise prediction, we for the first time suggest that the recent PTA observations strongly support the novel mechanism of the QCD instanton-induced DW annihilation in the clockwork axion framework. We also for the first time discover a novel correlation between dark matter (DM) relic abundance and nano-Hz GW background,"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.00746","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/2307.00746/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":"2307.00746","created_at":"2026-07-05T08:04:13.168658+00:00"},{"alias_kind":"arxiv_version","alias_value":"2307.00746v2","created_at":"2026-07-05T08:04:13.168658+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2307.00746","created_at":"2026-07-05T08:04:13.168658+00:00"},{"alias_kind":"pith_short_12","alias_value":"PAGEDH5IE4LG","created_at":"2026-07-05T08:04:13.168658+00:00"},{"alias_kind":"pith_short_16","alias_value":"PAGEDH5IE4LGHESD","created_at":"2026-07-05T08:04:13.168658+00:00"},{"alias_kind":"pith_short_8","alias_value":"PAGEDH5I","created_at":"2026-07-05T08:04:13.168658+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/PAGEDH5IE4LGHESDXEAX3LEWRB","json":"https://pith.science/pith/PAGEDH5IE4LGHESDXEAX3LEWRB.json","graph_json":"https://pith.science/api/pith-number/PAGEDH5IE4LGHESDXEAX3LEWRB/graph.json","events_json":"https://pith.science/api/pith-number/PAGEDH5IE4LGHESDXEAX3LEWRB/events.json","paper":"https://pith.science/paper/PAGEDH5I"},"agent_actions":{"view_html":"https://pith.science/pith/PAGEDH5IE4LGHESDXEAX3LEWRB","download_json":"https://pith.science/pith/PAGEDH5IE4LGHESDXEAX3LEWRB.json","view_paper":"https://pith.science/paper/PAGEDH5I","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2307.00746&json=true","fetch_graph":"https://pith.science/api/pith-number/PAGEDH5IE4LGHESDXEAX3LEWRB/graph.json","fetch_events":"https://pith.science/api/pith-number/PAGEDH5IE4LGHESDXEAX3LEWRB/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/PAGEDH5IE4LGHESDXEAX3LEWRB/action/timestamp_anchor","attest_storage":"https://pith.science/pith/PAGEDH5IE4LGHESDXEAX3LEWRB/action/storage_attestation","attest_author":"https://pith.science/pith/PAGEDH5IE4LGHESDXEAX3LEWRB/action/author_attestation","sign_citation":"https://pith.science/pith/PAGEDH5IE4LGHESDXEAX3LEWRB/action/citation_signature","submit_replication":"https://pith.science/pith/PAGEDH5IE4LGHESDXEAX3LEWRB/action/replication_record"}},"created_at":"2026-07-05T08:04:13.168658+00:00","updated_at":"2026-07-05T08:04:13.168658+00:00"}