{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:BAJNWVYXXR7AYDDRASS5IV4NIF","short_pith_number":"pith:BAJNWVYX","schema_version":"1.0","canonical_sha256":"0812db5717bc7e0c0c7104a5d4578d4145f8c0f7005bae441898d4a918e0a489","source":{"kind":"arxiv","id":"0909.2827","version":1},"attestation_state":"computed","paper":{"title":"Correlation of Supernova Remnant Masers and Gamma-Ray Sources","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.HE","authors_text":"Farhad Yusef-Zadeh, John W. Hewitt, Mark Wardle","submitted_at":"2009-09-15T19:42:29Z","abstract_excerpt":"Supernova remnants interacting with molecular clouds are potentially exciting systems in which to detect evidence of cosmic ray acceleration. Prominent gamma-ray emission is produced via the decay of neutral pions when cosmic rays encounter the nearby dense clouds. In many of the supernova remnants coincident with gamma-ray sources, the presence of OH(1720 MHz) masers is used to identify interaction with dense gas and to provide a kinematic distance to the system. In this paper we use statistical tests to demonstrate that there is a correlation between these masers and a class of GeV- to TeV-e"},"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":"0909.2827","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2009-09-15T19:42:29Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"25dffdc69ae11dc132ee207769a916e6e976ce9c2c356f203aa6def13245911d","abstract_canon_sha256":"1396c13c29a67959fbc885c3f26b89c3464ec90edd2da0d3ae37ad70f6a1814a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:34:29.969967Z","signature_b64":"jteSVwSa6GTqiqsQ3VYev1158/hFoJ1Kqct4OlC2EO79HY6Eab0kjqHCcxy/qyPCXVrqFVE4ahUKAg4Pq9OPBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0812db5717bc7e0c0c7104a5d4578d4145f8c0f7005bae441898d4a918e0a489","last_reissued_at":"2026-05-18T02:34:29.969553Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:34:29.969553Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Correlation of Supernova Remnant Masers and Gamma-Ray Sources","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.HE","authors_text":"Farhad Yusef-Zadeh, John W. Hewitt, Mark Wardle","submitted_at":"2009-09-15T19:42:29Z","abstract_excerpt":"Supernova remnants interacting with molecular clouds are potentially exciting systems in which to detect evidence of cosmic ray acceleration. Prominent gamma-ray emission is produced via the decay of neutral pions when cosmic rays encounter the nearby dense clouds. In many of the supernova remnants coincident with gamma-ray sources, the presence of OH(1720 MHz) masers is used to identify interaction with dense gas and to provide a kinematic distance to the system. In this paper we use statistical tests to demonstrate that there is a correlation between these masers and a class of GeV- to TeV-e"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0909.2827","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":"0909.2827","created_at":"2026-05-18T02:34:29.969612+00:00"},{"alias_kind":"arxiv_version","alias_value":"0909.2827v1","created_at":"2026-05-18T02:34:29.969612+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0909.2827","created_at":"2026-05-18T02:34:29.969612+00:00"},{"alias_kind":"pith_short_12","alias_value":"BAJNWVYXXR7A","created_at":"2026-05-18T12:25:58.837520+00:00"},{"alias_kind":"pith_short_16","alias_value":"BAJNWVYXXR7AYDDR","created_at":"2026-05-18T12:25:58.837520+00:00"},{"alias_kind":"pith_short_8","alias_value":"BAJNWVYX","created_at":"2026-05-18T12:25:58.837520+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/BAJNWVYXXR7AYDDRASS5IV4NIF","json":"https://pith.science/pith/BAJNWVYXXR7AYDDRASS5IV4NIF.json","graph_json":"https://pith.science/api/pith-number/BAJNWVYXXR7AYDDRASS5IV4NIF/graph.json","events_json":"https://pith.science/api/pith-number/BAJNWVYXXR7AYDDRASS5IV4NIF/events.json","paper":"https://pith.science/paper/BAJNWVYX"},"agent_actions":{"view_html":"https://pith.science/pith/BAJNWVYXXR7AYDDRASS5IV4NIF","download_json":"https://pith.science/pith/BAJNWVYXXR7AYDDRASS5IV4NIF.json","view_paper":"https://pith.science/paper/BAJNWVYX","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0909.2827&json=true","fetch_graph":"https://pith.science/api/pith-number/BAJNWVYXXR7AYDDRASS5IV4NIF/graph.json","fetch_events":"https://pith.science/api/pith-number/BAJNWVYXXR7AYDDRASS5IV4NIF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/BAJNWVYXXR7AYDDRASS5IV4NIF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/BAJNWVYXXR7AYDDRASS5IV4NIF/action/storage_attestation","attest_author":"https://pith.science/pith/BAJNWVYXXR7AYDDRASS5IV4NIF/action/author_attestation","sign_citation":"https://pith.science/pith/BAJNWVYXXR7AYDDRASS5IV4NIF/action/citation_signature","submit_replication":"https://pith.science/pith/BAJNWVYXXR7AYDDRASS5IV4NIF/action/replication_record"}},"created_at":"2026-05-18T02:34:29.969612+00:00","updated_at":"2026-05-18T02:34:29.969612+00:00"}