{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:3UCO726GQOQ745D3VQYQZ2FEFA","short_pith_number":"pith:3UCO726G","schema_version":"1.0","canonical_sha256":"dd04efebc683a1fe747bac310ce8a4280b9065a13e1e7aab41bdc1d8502b21ea","source":{"kind":"arxiv","id":"1301.0245","version":1},"attestation_state":"computed","paper":{"title":"Deep optical observations of the gamma-ray pulsar PSR J0007+7303 in the CTA 1 supernova remnant","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. Caliandro (CSIC-IEEC), A. de Luca (INAF-IASF Milano, A. Shearer, D. F. Torres, D. Hadasch, INFN), Kepler Institute of Astronomy, MSSL/UCL, National University of Ireland), N. Rea (CSIC-IEEC), R. P. Mignani (INAF-IASF Milano, S. Collins (Centre for Astronomy, University of Zielona Gora)","submitted_at":"2013-01-02T15:21:59Z","abstract_excerpt":"The Fermi Large Area Telescope (LAT) discovered the time signature of a radio-silent pulsar coincident with RX J0007.0+7302, a plerion-like X-ray source at the centre of the CTA 1 supernova remnant. The inferred timing parameters of the gamma-ray pulsar PSR J0007+7303 (P=315.8 ms; dot{P}\\sim3.6 10^{-13} s s^{-1}) point to a Vela-like neutron star, with an age comparable to that of CTA 1. The PSR J0007+7303 low distance (\\sim 1.4 kpc), interstellar absorption (A_V\\sim 1.6), and relatively high energy loss rate (dot{E} \\sim4.5 10^{35} erg s^{-1}), make it a suitable candidate for an optical foll"},"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":"1301.0245","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-01-02T15:21:59Z","cross_cats_sorted":[],"title_canon_sha256":"0152546bdec0bc9bdf1f49370955e4e6b631b3eb2d4be68c2a61a73b45bced70","abstract_canon_sha256":"e1d5dc2204c89397f02f4e1cd6b32493185dc4c5fd0ac982acbf33828c029dea"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:52:22.251967Z","signature_b64":"mi+p9dbRweoX8ZNbT22Ucw2UUml+HZq71YKEkuFhTPnWhCgdLUleybJyCLPR7Sh4813Sirikmf2zqv7cVFFNBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dd04efebc683a1fe747bac310ce8a4280b9065a13e1e7aab41bdc1d8502b21ea","last_reissued_at":"2026-05-18T01:52:22.251559Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:52:22.251559Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Deep optical observations of the gamma-ray pulsar PSR J0007+7303 in the CTA 1 supernova remnant","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. Caliandro (CSIC-IEEC), A. de Luca (INAF-IASF Milano, A. Shearer, D. F. Torres, D. Hadasch, INFN), Kepler Institute of Astronomy, MSSL/UCL, National University of Ireland), N. Rea (CSIC-IEEC), R. P. Mignani (INAF-IASF Milano, S. Collins (Centre for Astronomy, University of Zielona Gora)","submitted_at":"2013-01-02T15:21:59Z","abstract_excerpt":"The Fermi Large Area Telescope (LAT) discovered the time signature of a radio-silent pulsar coincident with RX J0007.0+7302, a plerion-like X-ray source at the centre of the CTA 1 supernova remnant. The inferred timing parameters of the gamma-ray pulsar PSR J0007+7303 (P=315.8 ms; dot{P}\\sim3.6 10^{-13} s s^{-1}) point to a Vela-like neutron star, with an age comparable to that of CTA 1. The PSR J0007+7303 low distance (\\sim 1.4 kpc), interstellar absorption (A_V\\sim 1.6), and relatively high energy loss rate (dot{E} \\sim4.5 10^{35} erg s^{-1}), make it a suitable candidate for an optical foll"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.0245","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":"1301.0245","created_at":"2026-05-18T01:52:22.251621+00:00"},{"alias_kind":"arxiv_version","alias_value":"1301.0245v1","created_at":"2026-05-18T01:52:22.251621+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.0245","created_at":"2026-05-18T01:52:22.251621+00:00"},{"alias_kind":"pith_short_12","alias_value":"3UCO726GQOQ7","created_at":"2026-05-18T12:27:32.513160+00:00"},{"alias_kind":"pith_short_16","alias_value":"3UCO726GQOQ745D3","created_at":"2026-05-18T12:27:32.513160+00:00"},{"alias_kind":"pith_short_8","alias_value":"3UCO726G","created_at":"2026-05-18T12:27:32.513160+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/3UCO726GQOQ745D3VQYQZ2FEFA","json":"https://pith.science/pith/3UCO726GQOQ745D3VQYQZ2FEFA.json","graph_json":"https://pith.science/api/pith-number/3UCO726GQOQ745D3VQYQZ2FEFA/graph.json","events_json":"https://pith.science/api/pith-number/3UCO726GQOQ745D3VQYQZ2FEFA/events.json","paper":"https://pith.science/paper/3UCO726G"},"agent_actions":{"view_html":"https://pith.science/pith/3UCO726GQOQ745D3VQYQZ2FEFA","download_json":"https://pith.science/pith/3UCO726GQOQ745D3VQYQZ2FEFA.json","view_paper":"https://pith.science/paper/3UCO726G","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1301.0245&json=true","fetch_graph":"https://pith.science/api/pith-number/3UCO726GQOQ745D3VQYQZ2FEFA/graph.json","fetch_events":"https://pith.science/api/pith-number/3UCO726GQOQ745D3VQYQZ2FEFA/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/3UCO726GQOQ745D3VQYQZ2FEFA/action/timestamp_anchor","attest_storage":"https://pith.science/pith/3UCO726GQOQ745D3VQYQZ2FEFA/action/storage_attestation","attest_author":"https://pith.science/pith/3UCO726GQOQ745D3VQYQZ2FEFA/action/author_attestation","sign_citation":"https://pith.science/pith/3UCO726GQOQ745D3VQYQZ2FEFA/action/citation_signature","submit_replication":"https://pith.science/pith/3UCO726GQOQ745D3VQYQZ2FEFA/action/replication_record"}},"created_at":"2026-05-18T01:52:22.251621+00:00","updated_at":"2026-05-18T01:52:22.251621+00:00"}