{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2005:RICIBH6MWP5CSZCV7PI6XOYTBA","short_pith_number":"pith:RICIBH6M","schema_version":"1.0","canonical_sha256":"8a04809fccb3fa296455fbd1ebbb13081fac40180a3ff4e81a6d247687d0ef69","source":{"kind":"arxiv","id":"astro-ph/0506078","version":3},"attestation_state":"computed","paper":{"title":"Photon-axion conversion as a mechanism for supernova dimming: Limits from CMB spectral distortion","license":"","headline":"","cross_cats":["hep-ph"],"primary_cat":"astro-ph","authors_text":"A.Mirizzi (Bari U. & INFN, Bari & Munich, G.G.Raffelt, Max Planck Inst.), Munich), P.D.Serpico (Max Planck Inst.","submitted_at":"2005-06-03T15:35:52Z","abstract_excerpt":"Axion-photon conversion induced by intergalactic magnetic fields has been proposed as an explanation for the dimming of distant supernovae of type Ia SNe Ia) without cosmic acceleration. The effect depends on the intergalactic electron density $n_e$ as well as the $B$-field strength and domain size. We show that for $n_e\\alt 10^{-9} {\\rm cm}^{-3}$ the same mechanism would cause excessive spectral distortion of the cosmic microwave background (CMB). This small-$n_e$ parameter region had been left open by the most restrictive previous constraints based on the dispersion of quasar (QSO) spectra. "},"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":"astro-ph/0506078","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2005-06-03T15:35:52Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"c169c8439995fbc92318b37803e475d2e6978ddeec14010ea59264b0e3c0f7e2","abstract_canon_sha256":"49f0bb152fbef9adab300fb0b9d6422b24f3223adfa31e799335efc8def84f9f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:52:29.367249Z","signature_b64":"ljB+377+cfLPhHiESIlnOwDY/bpKSg12dk5E5AZLmkcwwqBSqZ94Ek5vv+dWdJYMjZhGr+mJdp7b2vITSS3NCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8a04809fccb3fa296455fbd1ebbb13081fac40180a3ff4e81a6d247687d0ef69","last_reissued_at":"2026-07-04T16:52:29.366835Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:52:29.366835Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Photon-axion conversion as a mechanism for supernova dimming: Limits from CMB spectral distortion","license":"","headline":"","cross_cats":["hep-ph"],"primary_cat":"astro-ph","authors_text":"A.Mirizzi (Bari U. & INFN, Bari & Munich, G.G.Raffelt, Max Planck Inst.), Munich), P.D.Serpico (Max Planck Inst.","submitted_at":"2005-06-03T15:35:52Z","abstract_excerpt":"Axion-photon conversion induced by intergalactic magnetic fields has been proposed as an explanation for the dimming of distant supernovae of type Ia SNe Ia) without cosmic acceleration. The effect depends on the intergalactic electron density $n_e$ as well as the $B$-field strength and domain size. We show that for $n_e\\alt 10^{-9} {\\rm cm}^{-3}$ the same mechanism would cause excessive spectral distortion of the cosmic microwave background (CMB). This small-$n_e$ parameter region had been left open by the most restrictive previous constraints based on the dispersion of quasar (QSO) spectra. "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0506078","kind":"arxiv","version":3},"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/astro-ph/0506078/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":"astro-ph/0506078","created_at":"2026-07-04T16:52:29.366891+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0506078v3","created_at":"2026-07-04T16:52:29.366891+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0506078","created_at":"2026-07-04T16:52:29.366891+00:00"},{"alias_kind":"pith_short_12","alias_value":"RICIBH6MWP5C","created_at":"2026-07-04T16:52:29.366891+00:00"},{"alias_kind":"pith_short_16","alias_value":"RICIBH6MWP5CSZCV","created_at":"2026-07-04T16:52:29.366891+00:00"},{"alias_kind":"pith_short_8","alias_value":"RICIBH6M","created_at":"2026-07-04T16:52:29.366891+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2510.22592","citing_title":"Probing Axion-Photon conversion via circular polarization imprints in the CMB $V$-mode observations","ref_index":69,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/RICIBH6MWP5CSZCV7PI6XOYTBA","json":"https://pith.science/pith/RICIBH6MWP5CSZCV7PI6XOYTBA.json","graph_json":"https://pith.science/api/pith-number/RICIBH6MWP5CSZCV7PI6XOYTBA/graph.json","events_json":"https://pith.science/api/pith-number/RICIBH6MWP5CSZCV7PI6XOYTBA/events.json","paper":"https://pith.science/paper/RICIBH6M"},"agent_actions":{"view_html":"https://pith.science/pith/RICIBH6MWP5CSZCV7PI6XOYTBA","download_json":"https://pith.science/pith/RICIBH6MWP5CSZCV7PI6XOYTBA.json","view_paper":"https://pith.science/paper/RICIBH6M","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/0506078&json=true","fetch_graph":"https://pith.science/api/pith-number/RICIBH6MWP5CSZCV7PI6XOYTBA/graph.json","fetch_events":"https://pith.science/api/pith-number/RICIBH6MWP5CSZCV7PI6XOYTBA/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/RICIBH6MWP5CSZCV7PI6XOYTBA/action/timestamp_anchor","attest_storage":"https://pith.science/pith/RICIBH6MWP5CSZCV7PI6XOYTBA/action/storage_attestation","attest_author":"https://pith.science/pith/RICIBH6MWP5CSZCV7PI6XOYTBA/action/author_attestation","sign_citation":"https://pith.science/pith/RICIBH6MWP5CSZCV7PI6XOYTBA/action/citation_signature","submit_replication":"https://pith.science/pith/RICIBH6MWP5CSZCV7PI6XOYTBA/action/replication_record"}},"created_at":"2026-07-04T16:52:29.366891+00:00","updated_at":"2026-07-04T16:52:29.366891+00:00"}