{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:4ZUHEHDSTUGECORW7N2WNIZ2ME","short_pith_number":"pith:4ZUHEHDS","schema_version":"1.0","canonical_sha256":"e668721c729d0c413a36fb7566a33a611599fc345e1a63fd76400398adaf4f28","source":{"kind":"arxiv","id":"1807.04249","version":1},"attestation_state":"computed","paper":{"title":"PSR J0636+5128: A Heated Companion in a Tight Orbit","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Paul Draghis, Roger W. Romani","submitted_at":"2018-07-11T17:13:57Z","abstract_excerpt":"We present an analysis of archival Gemini g', r', K and Keck H, K_s imaging of this nearby short period binary (P_B=95.8min) 2.87ms pulsar. The heated companion is clearly detected. Direct pulsar heating provides an acceptable model at the revised >700pc parallax distance. The relatively shallow light curve modulation prefers an inclination i<40deg; this high latitude view provides a likely explanation for the lack of radio signatures of wind dispersion or eclipse. It also explains the low minimum companion mass and, possibly, the faintness of the source in X- and gamma-rays."},"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":"1807.04249","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-07-11T17:13:57Z","cross_cats_sorted":[],"title_canon_sha256":"49a688aa7e84b491262e50db045b421d04c3548f6633190204f9cbc2db181660","abstract_canon_sha256":"2be9d4146427a4e603e3c8a3424e914a10ef4b6ab5b6487b869d2cdd4266e64f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:08:38.177829Z","signature_b64":"cRj82orB7NrQ0RaKhlNkyTfGUSJ4nbyU9eIn0OteMZqhKmi0NIqH9z7qKu5xyqVkC5bLgv1Zw8gk+zDMUwqHBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e668721c729d0c413a36fb7566a33a611599fc345e1a63fd76400398adaf4f28","last_reissued_at":"2026-05-18T00:08:38.177133Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:08:38.177133Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"PSR J0636+5128: A Heated Companion in a Tight Orbit","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Paul Draghis, Roger W. Romani","submitted_at":"2018-07-11T17:13:57Z","abstract_excerpt":"We present an analysis of archival Gemini g', r', K and Keck H, K_s imaging of this nearby short period binary (P_B=95.8min) 2.87ms pulsar. The heated companion is clearly detected. Direct pulsar heating provides an acceptable model at the revised >700pc parallax distance. The relatively shallow light curve modulation prefers an inclination i<40deg; this high latitude view provides a likely explanation for the lack of radio signatures of wind dispersion or eclipse. It also explains the low minimum companion mass and, possibly, the faintness of the source in X- and gamma-rays."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.04249","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":"1807.04249","created_at":"2026-05-18T00:08:38.177231+00:00"},{"alias_kind":"arxiv_version","alias_value":"1807.04249v1","created_at":"2026-05-18T00:08:38.177231+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.04249","created_at":"2026-05-18T00:08:38.177231+00:00"},{"alias_kind":"pith_short_12","alias_value":"4ZUHEHDSTUGE","created_at":"2026-05-18T12:32:05.422762+00:00"},{"alias_kind":"pith_short_16","alias_value":"4ZUHEHDSTUGECORW","created_at":"2026-05-18T12:32:05.422762+00:00"},{"alias_kind":"pith_short_8","alias_value":"4ZUHEHDS","created_at":"2026-05-18T12:32:05.422762+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/4ZUHEHDSTUGECORW7N2WNIZ2ME","json":"https://pith.science/pith/4ZUHEHDSTUGECORW7N2WNIZ2ME.json","graph_json":"https://pith.science/api/pith-number/4ZUHEHDSTUGECORW7N2WNIZ2ME/graph.json","events_json":"https://pith.science/api/pith-number/4ZUHEHDSTUGECORW7N2WNIZ2ME/events.json","paper":"https://pith.science/paper/4ZUHEHDS"},"agent_actions":{"view_html":"https://pith.science/pith/4ZUHEHDSTUGECORW7N2WNIZ2ME","download_json":"https://pith.science/pith/4ZUHEHDSTUGECORW7N2WNIZ2ME.json","view_paper":"https://pith.science/paper/4ZUHEHDS","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1807.04249&json=true","fetch_graph":"https://pith.science/api/pith-number/4ZUHEHDSTUGECORW7N2WNIZ2ME/graph.json","fetch_events":"https://pith.science/api/pith-number/4ZUHEHDSTUGECORW7N2WNIZ2ME/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4ZUHEHDSTUGECORW7N2WNIZ2ME/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4ZUHEHDSTUGECORW7N2WNIZ2ME/action/storage_attestation","attest_author":"https://pith.science/pith/4ZUHEHDSTUGECORW7N2WNIZ2ME/action/author_attestation","sign_citation":"https://pith.science/pith/4ZUHEHDSTUGECORW7N2WNIZ2ME/action/citation_signature","submit_replication":"https://pith.science/pith/4ZUHEHDSTUGECORW7N2WNIZ2ME/action/replication_record"}},"created_at":"2026-05-18T00:08:38.177231+00:00","updated_at":"2026-05-18T00:08:38.177231+00:00"}