{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:NXRDJGVAHFLIR6LXPJ54VQJTHQ","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":"48e64c8ce47c75ea407f69392a264dc2a69c2c6c50196202854ab88a5404b5e7","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2026-06-23T02:28:01Z","title_canon_sha256":"d66f33c776e03119c13690dcc2783839ceae5c234d1262fb52859d07bae4078d"},"schema_version":"1.0","source":{"id":"2606.24070","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.24070","created_at":"2026-06-24T01:14:39Z"},{"alias_kind":"arxiv_version","alias_value":"2606.24070v1","created_at":"2026-06-24T01:14:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.24070","created_at":"2026-06-24T01:14:39Z"},{"alias_kind":"pith_short_12","alias_value":"NXRDJGVAHFLI","created_at":"2026-06-24T01:14:39Z"},{"alias_kind":"pith_short_16","alias_value":"NXRDJGVAHFLIR6LX","created_at":"2026-06-24T01:14:39Z"},{"alias_kind":"pith_short_8","alias_value":"NXRDJGVA","created_at":"2026-06-24T01:14:39Z"}],"graph_snapshots":[{"event_id":"sha256:8d935d02638c403d2f91d5b48d23c4031b139e4cf3d3ae7cced37e0be099d929","target":"graph","created_at":"2026-06-24T01:14:39Z","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/2606.24070/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We investigate scalar-induced gravitational waves (SIGWs) produced by domain walls (DWs) nucleated via quantum tunneling during inflation with an extended nucleation time. In contrast to the small-period nucleation framework, where DWs form instantaneously and produce a curvature power spectrum too weak to account for the nanohertz stochastic gravitational-wave background (SGWB) reported by pulsar timing array (PTA) collaborations, we show that a finite nucleation duration leads to a distribution of DW radii characterized by $\\gamma\\equiv\\overline{R^4}/(\\overline{R^2})^2>1$, which enhances the","authors_text":"Tie-Jun Gao, Zhi-Yong Huang","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2026-06-23T02:28:01Z","title":"Nanohertz gravitational waves from domain walls nucleated during inflation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.24070","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":"sha256:092b397bed9a37383b0f6f53548d010684237a52e3e8fa2bc36a1b200915d566","target":"record","created_at":"2026-06-24T01:14:39Z","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":"48e64c8ce47c75ea407f69392a264dc2a69c2c6c50196202854ab88a5404b5e7","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2026-06-23T02:28:01Z","title_canon_sha256":"d66f33c776e03119c13690dcc2783839ceae5c234d1262fb52859d07bae4078d"},"schema_version":"1.0","source":{"id":"2606.24070","kind":"arxiv","version":1}},"canonical_sha256":"6de2349aa0395688f9777a7bcac1333c2cc3931af88c71655b831617ebc22fff","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6de2349aa0395688f9777a7bcac1333c2cc3931af88c71655b831617ebc22fff","first_computed_at":"2026-06-24T01:14:39.577299Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-24T01:14:39.577299Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CnBWKfaEBREyj5nvDXnomOTuarAFjr9MpeGmda7aCewZGHd7vXbide4Qyd6514uyHcXY12DyQZjcRAXFJJAmDA==","signature_status":"signed_v1","signed_at":"2026-06-24T01:14:39.577668Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.24070","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:092b397bed9a37383b0f6f53548d010684237a52e3e8fa2bc36a1b200915d566","sha256:8d935d02638c403d2f91d5b48d23c4031b139e4cf3d3ae7cced37e0be099d929"],"state_sha256":"0d9556133e8b9727d0e40e8007e4f69304cc8fdf94a395b5b04290f0a999b74b"}