{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:7P6QTPZBTIO43C7GQ2K5H27G5L","short_pith_number":"pith:7P6QTPZB","schema_version":"1.0","canonical_sha256":"fbfd09bf219a1dcd8be68695d3ebe6eac2ecf892abc25840f54545254dff35fd","source":{"kind":"arxiv","id":"1310.5857","version":1},"attestation_state":"computed","paper":{"title":"Timing of a Young Mildly Recycled Pulsar with a Massive White Dwarf Companion","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.SR","authors_text":"B. Allen, B. Knispel, I. H. Stairs, J. S. Deneva, P. C. C. Freire, P. Lazarus, S. Bogdanov, S. Chatterjee, T. M. Tauris, V. M. Kaspi, W. W. Zhu","submitted_at":"2013-10-22T09:44:45Z","abstract_excerpt":"We report on timing observations of the recently discovered binary pulsar PSR J1952+2630 using the Arecibo Observatory. The mildly recycled 20.7-ms pulsar is in a 9.4-hr orbit with a massive, M_WD > 0.93 M_sun, white dwarf (WD) companion. We present, for the first time, a phase-coherent timing solution, with precise spin, astrometric, and Keplerian orbital parameters. This shows that the characteristic age of PSR J1952+2630 is 77 Myr, younger by one order of magnitude than any other recycled pulsar-massive WD system. We derive an upper limit on the true age of the system of 50 Myr. We investig"},"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":"1310.5857","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-10-22T09:44:45Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"8e1dd9c627264d131aeeedf11a94d0b038f3e545a0bcf0eebd96ee510b87b450","abstract_canon_sha256":"f89971243a58ef5cd085a7b7dad0c32af2e14c6cd14c4db60058832e4cfbc27f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:46:56.411706Z","signature_b64":"d/x80UCNF3iEcjaorKpK3dssFxhgYM5lIh2uBDM4EUIBotC+sL/0u7jyEtT/6ZaWAi2BADJ6+QRHWX0D0+rbCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fbfd09bf219a1dcd8be68695d3ebe6eac2ecf892abc25840f54545254dff35fd","last_reissued_at":"2026-05-18T01:46:56.411026Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:46:56.411026Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Timing of a Young Mildly Recycled Pulsar with a Massive White Dwarf Companion","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.SR","authors_text":"B. Allen, B. Knispel, I. H. Stairs, J. S. Deneva, P. C. C. Freire, P. Lazarus, S. Bogdanov, S. Chatterjee, T. M. Tauris, V. M. Kaspi, W. W. Zhu","submitted_at":"2013-10-22T09:44:45Z","abstract_excerpt":"We report on timing observations of the recently discovered binary pulsar PSR J1952+2630 using the Arecibo Observatory. The mildly recycled 20.7-ms pulsar is in a 9.4-hr orbit with a massive, M_WD > 0.93 M_sun, white dwarf (WD) companion. We present, for the first time, a phase-coherent timing solution, with precise spin, astrometric, and Keplerian orbital parameters. This shows that the characteristic age of PSR J1952+2630 is 77 Myr, younger by one order of magnitude than any other recycled pulsar-massive WD system. We derive an upper limit on the true age of the system of 50 Myr. We investig"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.5857","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":""},"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":"1310.5857","created_at":"2026-05-18T01:46:56.411131+00:00"},{"alias_kind":"arxiv_version","alias_value":"1310.5857v1","created_at":"2026-05-18T01:46:56.411131+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.5857","created_at":"2026-05-18T01:46:56.411131+00:00"},{"alias_kind":"pith_short_12","alias_value":"7P6QTPZBTIO4","created_at":"2026-05-18T12:27:36.564083+00:00"},{"alias_kind":"pith_short_16","alias_value":"7P6QTPZBTIO43C7G","created_at":"2026-05-18T12:27:36.564083+00:00"},{"alias_kind":"pith_short_8","alias_value":"7P6QTPZB","created_at":"2026-05-18T12:27:36.564083+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/7P6QTPZBTIO43C7GQ2K5H27G5L","json":"https://pith.science/pith/7P6QTPZBTIO43C7GQ2K5H27G5L.json","graph_json":"https://pith.science/api/pith-number/7P6QTPZBTIO43C7GQ2K5H27G5L/graph.json","events_json":"https://pith.science/api/pith-number/7P6QTPZBTIO43C7GQ2K5H27G5L/events.json","paper":"https://pith.science/paper/7P6QTPZB"},"agent_actions":{"view_html":"https://pith.science/pith/7P6QTPZBTIO43C7GQ2K5H27G5L","download_json":"https://pith.science/pith/7P6QTPZBTIO43C7GQ2K5H27G5L.json","view_paper":"https://pith.science/paper/7P6QTPZB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1310.5857&json=true","fetch_graph":"https://pith.science/api/pith-number/7P6QTPZBTIO43C7GQ2K5H27G5L/graph.json","fetch_events":"https://pith.science/api/pith-number/7P6QTPZBTIO43C7GQ2K5H27G5L/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/7P6QTPZBTIO43C7GQ2K5H27G5L/action/timestamp_anchor","attest_storage":"https://pith.science/pith/7P6QTPZBTIO43C7GQ2K5H27G5L/action/storage_attestation","attest_author":"https://pith.science/pith/7P6QTPZBTIO43C7GQ2K5H27G5L/action/author_attestation","sign_citation":"https://pith.science/pith/7P6QTPZBTIO43C7GQ2K5H27G5L/action/citation_signature","submit_replication":"https://pith.science/pith/7P6QTPZBTIO43C7GQ2K5H27G5L/action/replication_record"}},"created_at":"2026-05-18T01:46:56.411131+00:00","updated_at":"2026-05-18T01:46:56.411131+00:00"}