{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:ZM4KH4NNLYLJSWKW3GTVKA4MME","short_pith_number":"pith:ZM4KH4NN","schema_version":"1.0","canonical_sha256":"cb38a3f1ad5e16995956d9a755038c61367b08dc466f79860553f9d3afdc9ca0","source":{"kind":"arxiv","id":"1803.04424","version":1},"attestation_state":"computed","paper":{"title":"Evidence for Pulsar-like Emission Components in the Broadband ULX Sample","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. C. Fabian, D. Barret, D. J. Walton, D. Stern, F. A. Harrison, F. Fuerst, M. Bachetti, M. Brightman, M. Heida, M. J. Middleton","submitted_at":"2018-03-12T18:00:09Z","abstract_excerpt":"We present broadband X-ray analyses of a sample of bright ultraluminous X-ray sources with the goal of investigating the spectral similarity of this population to the known ULX pulsars, M82 X-2, NGC7793 P13 and NGC5907 ULX. We perform a phase-resolved analysis of the broadband XMM-Newton+NuSTAR dataset of NGC5907 ULX, finding that the pulsed emission from the accretion column in this source exhibits a similar spectral shape to that seen in both M82 X-2 and NGC7793 P13, and that this is responsible for the excess emission observed at the highest energies when the spectra are fit with accretion "},"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":"1803.04424","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-03-12T18:00:09Z","cross_cats_sorted":[],"title_canon_sha256":"f8cb5955f1ef778fcd4f21fb633c280d4e6694be2c5834b45899b5efa5e83bc6","abstract_canon_sha256":"67a274ab48886b68c8cda9600305a200ea6cfd301b13bd3d696beaa686c8f462"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:18:10.703942Z","signature_b64":"/EthYA6HiLivhN6XnC9vhWNU7ldgrtQDypSRXUJHnpemqoie+4Q/BXlFTFhnAYc/PxQY8bbFeXGL2Qp/s/jhAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cb38a3f1ad5e16995956d9a755038c61367b08dc466f79860553f9d3afdc9ca0","last_reissued_at":"2026-05-18T00:18:10.703220Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:18:10.703220Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Evidence for Pulsar-like Emission Components in the Broadband ULX Sample","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. C. Fabian, D. Barret, D. J. Walton, D. Stern, F. A. Harrison, F. Fuerst, M. Bachetti, M. Brightman, M. Heida, M. J. Middleton","submitted_at":"2018-03-12T18:00:09Z","abstract_excerpt":"We present broadband X-ray analyses of a sample of bright ultraluminous X-ray sources with the goal of investigating the spectral similarity of this population to the known ULX pulsars, M82 X-2, NGC7793 P13 and NGC5907 ULX. We perform a phase-resolved analysis of the broadband XMM-Newton+NuSTAR dataset of NGC5907 ULX, finding that the pulsed emission from the accretion column in this source exhibits a similar spectral shape to that seen in both M82 X-2 and NGC7793 P13, and that this is responsible for the excess emission observed at the highest energies when the spectra are fit with accretion "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.04424","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":"1803.04424","created_at":"2026-05-18T00:18:10.703329+00:00"},{"alias_kind":"arxiv_version","alias_value":"1803.04424v1","created_at":"2026-05-18T00:18:10.703329+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.04424","created_at":"2026-05-18T00:18:10.703329+00:00"},{"alias_kind":"pith_short_12","alias_value":"ZM4KH4NNLYLJ","created_at":"2026-05-18T12:33:07.085635+00:00"},{"alias_kind":"pith_short_16","alias_value":"ZM4KH4NNLYLJSWKW","created_at":"2026-05-18T12:33:07.085635+00:00"},{"alias_kind":"pith_short_8","alias_value":"ZM4KH4NN","created_at":"2026-05-18T12:33:07.085635+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2605.15137","citing_title":"Significant or Not? The Impact of Randomisation During Data Reduction on Confirming a New Pulsating Ultraluminous X-ray Source Candidate in Centaurus A","ref_index":106,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/ZM4KH4NNLYLJSWKW3GTVKA4MME","json":"https://pith.science/pith/ZM4KH4NNLYLJSWKW3GTVKA4MME.json","graph_json":"https://pith.science/api/pith-number/ZM4KH4NNLYLJSWKW3GTVKA4MME/graph.json","events_json":"https://pith.science/api/pith-number/ZM4KH4NNLYLJSWKW3GTVKA4MME/events.json","paper":"https://pith.science/paper/ZM4KH4NN"},"agent_actions":{"view_html":"https://pith.science/pith/ZM4KH4NNLYLJSWKW3GTVKA4MME","download_json":"https://pith.science/pith/ZM4KH4NNLYLJSWKW3GTVKA4MME.json","view_paper":"https://pith.science/paper/ZM4KH4NN","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1803.04424&json=true","fetch_graph":"https://pith.science/api/pith-number/ZM4KH4NNLYLJSWKW3GTVKA4MME/graph.json","fetch_events":"https://pith.science/api/pith-number/ZM4KH4NNLYLJSWKW3GTVKA4MME/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ZM4KH4NNLYLJSWKW3GTVKA4MME/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ZM4KH4NNLYLJSWKW3GTVKA4MME/action/storage_attestation","attest_author":"https://pith.science/pith/ZM4KH4NNLYLJSWKW3GTVKA4MME/action/author_attestation","sign_citation":"https://pith.science/pith/ZM4KH4NNLYLJSWKW3GTVKA4MME/action/citation_signature","submit_replication":"https://pith.science/pith/ZM4KH4NNLYLJSWKW3GTVKA4MME/action/replication_record"}},"created_at":"2026-05-18T00:18:10.703329+00:00","updated_at":"2026-05-18T00:18:10.703329+00:00"}