{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:1998:3M7QZROTR5X7OASTFPSZ6QRHP2","short_pith_number":"pith:3M7QZROT","schema_version":"1.0","canonical_sha256":"db3f0cc5d38f6ff702532be59f42277ea8914f7de5b77fd1ca58332fb1aac6af","source":{"kind":"arxiv","id":"astro-ph/9804148","version":1},"attestation_state":"computed","paper":{"title":"A Bound on the Flux of Magnetic Monopoles from Catalysis of Nucleon Decay in White Dwarfs","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Eleonora Krasteva, Katherine Freese","submitted_at":"1998-04-15T22:53:16Z","abstract_excerpt":"Catalysis of nucleon decay in white dwarfs is used to constrain the abundance of magnetic monopoles arising from Grand Unified Theories. Recent discoveries of the dimmest white dwarf ever observed, WD 1136-286 with $L = 10^{-4.94} L_{\\odot}$, place limits on the monopole flux. An abundance of monopoles greater than the new bound would heat this star to a luminosity higher than what is observed. The new bound is $(F/$cm $^{-2}$ s$^{-1}$ sr$^{-1}$) $(\\sigma \\upsilon/10^{-28} cm^2) < 1.3 \\times 10^{-20} (\\upsilon/10^{-3}c)^2$, where $\\upsilon $ is the monopole velocity. The limit is improved by i"},"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/9804148","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1998-04-15T22:53:16Z","cross_cats_sorted":[],"title_canon_sha256":"b2afc9d1537d7eed9df137ccb7b01b886dae9b38e19d8a7f3037987b3be8bb45","abstract_canon_sha256":"c3ca498955acbd344a284f81a80b2c930fccae3bef33d7a31ad58635c78b9dbd"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:18:05.677582Z","signature_b64":"Q/cArPDswH72v5bGjGQ8/1Z4wm5LQWXo5/AOJeMPVB7G6s1O9Cvz7bCpl+CWtg3cAG6rYS3iQNW1fAQ/AyGFBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"db3f0cc5d38f6ff702532be59f42277ea8914f7de5b77fd1ca58332fb1aac6af","last_reissued_at":"2026-07-04T15:18:05.677210Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:18:05.677210Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A Bound on the Flux of Magnetic Monopoles from Catalysis of Nucleon Decay in White Dwarfs","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Eleonora Krasteva, Katherine Freese","submitted_at":"1998-04-15T22:53:16Z","abstract_excerpt":"Catalysis of nucleon decay in white dwarfs is used to constrain the abundance of magnetic monopoles arising from Grand Unified Theories. Recent discoveries of the dimmest white dwarf ever observed, WD 1136-286 with $L = 10^{-4.94} L_{\\odot}$, place limits on the monopole flux. An abundance of monopoles greater than the new bound would heat this star to a luminosity higher than what is observed. The new bound is $(F/$cm $^{-2}$ s$^{-1}$ sr$^{-1}$) $(\\sigma \\upsilon/10^{-28} cm^2) < 1.3 \\times 10^{-20} (\\upsilon/10^{-3}c)^2$, where $\\upsilon $ is the monopole velocity. The limit is improved by i"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9804148","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/astro-ph/9804148/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/9804148","created_at":"2026-07-04T15:18:05.677268+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9804148v1","created_at":"2026-07-04T15:18:05.677268+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9804148","created_at":"2026-07-04T15:18:05.677268+00:00"},{"alias_kind":"pith_short_12","alias_value":"3M7QZROTR5X7","created_at":"2026-07-04T15:18:05.677268+00:00"},{"alias_kind":"pith_short_16","alias_value":"3M7QZROTR5X7OAST","created_at":"2026-07-04T15:18:05.677268+00:00"},{"alias_kind":"pith_short_8","alias_value":"3M7QZROT","created_at":"2026-07-04T15:18:05.677268+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/3M7QZROTR5X7OASTFPSZ6QRHP2","json":"https://pith.science/pith/3M7QZROTR5X7OASTFPSZ6QRHP2.json","graph_json":"https://pith.science/api/pith-number/3M7QZROTR5X7OASTFPSZ6QRHP2/graph.json","events_json":"https://pith.science/api/pith-number/3M7QZROTR5X7OASTFPSZ6QRHP2/events.json","paper":"https://pith.science/paper/3M7QZROT"},"agent_actions":{"view_html":"https://pith.science/pith/3M7QZROTR5X7OASTFPSZ6QRHP2","download_json":"https://pith.science/pith/3M7QZROTR5X7OASTFPSZ6QRHP2.json","view_paper":"https://pith.science/paper/3M7QZROT","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/9804148&json=true","fetch_graph":"https://pith.science/api/pith-number/3M7QZROTR5X7OASTFPSZ6QRHP2/graph.json","fetch_events":"https://pith.science/api/pith-number/3M7QZROTR5X7OASTFPSZ6QRHP2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/3M7QZROTR5X7OASTFPSZ6QRHP2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/3M7QZROTR5X7OASTFPSZ6QRHP2/action/storage_attestation","attest_author":"https://pith.science/pith/3M7QZROTR5X7OASTFPSZ6QRHP2/action/author_attestation","sign_citation":"https://pith.science/pith/3M7QZROTR5X7OASTFPSZ6QRHP2/action/citation_signature","submit_replication":"https://pith.science/pith/3M7QZROTR5X7OASTFPSZ6QRHP2/action/replication_record"}},"created_at":"2026-07-04T15:18:05.677268+00:00","updated_at":"2026-07-04T15:18:05.677268+00:00"}