{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:57ST3JESLBDOXTNGMLNPHI45YZ","short_pith_number":"pith:57ST3JES","schema_version":"1.0","canonical_sha256":"efe53da4925846ebcda662daf3a39dc651f45095252dec5ef4385bc25c55b456","source":{"kind":"arxiv","id":"2405.20478","version":1},"attestation_state":"computed","paper":{"title":"On the viability of the QCD axion - dark energy transition","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"hep-ph","authors_text":"Kristjan M\\\"u\\\"ursepp","submitted_at":"2024-05-30T20:59:33Z","abstract_excerpt":"This conference thesis summarizes my presentation at Tartu Tuorla Cosmology meeting based on a collaborative work with E.Nardi and C.Smarra \\cite{Muursepp:2024mbb}. It is well known that a pseudo-Nambu Goldstone boson (pNGB) coupled to a confining gauge group obtains a non-zero contribution to its mass through instanton effects. At non-zero temperature, this manifests in temperature-dependent mass $m^{2}(T) \\propto T^{-n}$. If these particles come to dominate the energy density of the Universe in the non-relativistic regime they would accelerate the expansion of the Universe for $n>2$, thus pr"},"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":"2405.20478","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2024-05-30T20:59:33Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"930c36b9fdd2bf29000cf8dcdbbcd88604ece6f5b5eed0b525949f54403575e0","abstract_canon_sha256":"e643a562ba952cbc77ad6d534d1e05aab9d75012f99a8290ded7af33c8a00fb7"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:25:37.981075Z","signature_b64":"fGnuUpzck5i41De77n41Cz00RH+6tkrD9MClRN5VATBAHEz0CZ4Rr5SvEbD/blJteGyubFx3EyLVEcxwmHuzDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"efe53da4925846ebcda662daf3a39dc651f45095252dec5ef4385bc25c55b456","last_reissued_at":"2026-07-05T08:25:37.980652Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:25:37.980652Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"On the viability of the QCD axion - dark energy transition","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"hep-ph","authors_text":"Kristjan M\\\"u\\\"ursepp","submitted_at":"2024-05-30T20:59:33Z","abstract_excerpt":"This conference thesis summarizes my presentation at Tartu Tuorla Cosmology meeting based on a collaborative work with E.Nardi and C.Smarra \\cite{Muursepp:2024mbb}. It is well known that a pseudo-Nambu Goldstone boson (pNGB) coupled to a confining gauge group obtains a non-zero contribution to its mass through instanton effects. At non-zero temperature, this manifests in temperature-dependent mass $m^{2}(T) \\propto T^{-n}$. If these particles come to dominate the energy density of the Universe in the non-relativistic regime they would accelerate the expansion of the Universe for $n>2$, thus pr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2405.20478","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/2405.20478/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":"2405.20478","created_at":"2026-07-05T08:25:37.980707+00:00"},{"alias_kind":"arxiv_version","alias_value":"2405.20478v1","created_at":"2026-07-05T08:25:37.980707+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2405.20478","created_at":"2026-07-05T08:25:37.980707+00:00"},{"alias_kind":"pith_short_12","alias_value":"57ST3JESLBDO","created_at":"2026-07-05T08:25:37.980707+00:00"},{"alias_kind":"pith_short_16","alias_value":"57ST3JESLBDOXTNG","created_at":"2026-07-05T08:25:37.980707+00:00"},{"alias_kind":"pith_short_8","alias_value":"57ST3JES","created_at":"2026-07-05T08:25:37.980707+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/57ST3JESLBDOXTNGMLNPHI45YZ","json":"https://pith.science/pith/57ST3JESLBDOXTNGMLNPHI45YZ.json","graph_json":"https://pith.science/api/pith-number/57ST3JESLBDOXTNGMLNPHI45YZ/graph.json","events_json":"https://pith.science/api/pith-number/57ST3JESLBDOXTNGMLNPHI45YZ/events.json","paper":"https://pith.science/paper/57ST3JES"},"agent_actions":{"view_html":"https://pith.science/pith/57ST3JESLBDOXTNGMLNPHI45YZ","download_json":"https://pith.science/pith/57ST3JESLBDOXTNGMLNPHI45YZ.json","view_paper":"https://pith.science/paper/57ST3JES","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2405.20478&json=true","fetch_graph":"https://pith.science/api/pith-number/57ST3JESLBDOXTNGMLNPHI45YZ/graph.json","fetch_events":"https://pith.science/api/pith-number/57ST3JESLBDOXTNGMLNPHI45YZ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/57ST3JESLBDOXTNGMLNPHI45YZ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/57ST3JESLBDOXTNGMLNPHI45YZ/action/storage_attestation","attest_author":"https://pith.science/pith/57ST3JESLBDOXTNGMLNPHI45YZ/action/author_attestation","sign_citation":"https://pith.science/pith/57ST3JESLBDOXTNGMLNPHI45YZ/action/citation_signature","submit_replication":"https://pith.science/pith/57ST3JESLBDOXTNGMLNPHI45YZ/action/replication_record"}},"created_at":"2026-07-05T08:25:37.980707+00:00","updated_at":"2026-07-05T08:25:37.980707+00:00"}