{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:SOU5LHFBWZQIZXACIRJDU3L7NU","short_pith_number":"pith:SOU5LHFB","schema_version":"1.0","canonical_sha256":"93a9d59ca1b6608cdc0244523a6d7f6d1e10e0f75ddc4f3ead00b98597f494ea","source":{"kind":"arxiv","id":"1507.02690","version":1},"attestation_state":"computed","paper":{"title":"Fifteen years of XMM-Newton and Chandra monitoring of Sgr A*: Evidence for a recent increase in the bright flaring rate","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. Goldwurm, A. Merloni, B. De Marco, D. Haggard, G. Ponti, J. Neilsen, K. Mori, K. Nandra, M. Clavel, M. R. Morris, N. Degenaar, N. Rea, R. Terrier, S. Gillessen, S. Zhang, T. Munoz-Darias","submitted_at":"2015-07-09T20:00:42Z","abstract_excerpt":"We present a study of the X-ray flaring activity of Sgr A* during all the 150 XMM-Newton and Chandra observations pointed at the Milky Way center over the last 15 years. This includes the latest XMM-Newton and Chandra campaigns devoted to monitoring the closest approach of the very red Br-Gamma emitting object called G2. The entire dataset analysed extends from September 1999 through November 2014. We employed a Bayesian block analysis to investigate any possible variations in the characteristics (frequency, energetics, peak intensity, duration) of the flaring events that Sgr A* has exhibited "},"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":"1507.02690","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-07-09T20:00:42Z","cross_cats_sorted":[],"title_canon_sha256":"e3ddf306e324d84b7492e48a446dd334b5ab2743763fccb0649e5f61e9c67e4c","abstract_canon_sha256":"97b5d2955ec535f01ce63ce43f4349b3e28d12321a2a879ab1ff7d4bddde02de"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:30:23.718186Z","signature_b64":"QTCdau6pYtv2l9uzpDZYq9CzDJHV+Zhjbk/hOIoi1ZYuDfdWrYHtpilF2q8MG5FTKsKJbHcqQZZmxuZJSL7qAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"93a9d59ca1b6608cdc0244523a6d7f6d1e10e0f75ddc4f3ead00b98597f494ea","last_reissued_at":"2026-05-18T01:30:23.717450Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:30:23.717450Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Fifteen years of XMM-Newton and Chandra monitoring of Sgr A*: Evidence for a recent increase in the bright flaring rate","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. Goldwurm, A. Merloni, B. De Marco, D. Haggard, G. Ponti, J. Neilsen, K. Mori, K. Nandra, M. Clavel, M. R. Morris, N. Degenaar, N. Rea, R. Terrier, S. Gillessen, S. Zhang, T. Munoz-Darias","submitted_at":"2015-07-09T20:00:42Z","abstract_excerpt":"We present a study of the X-ray flaring activity of Sgr A* during all the 150 XMM-Newton and Chandra observations pointed at the Milky Way center over the last 15 years. This includes the latest XMM-Newton and Chandra campaigns devoted to monitoring the closest approach of the very red Br-Gamma emitting object called G2. The entire dataset analysed extends from September 1999 through November 2014. We employed a Bayesian block analysis to investigate any possible variations in the characteristics (frequency, energetics, peak intensity, duration) of the flaring events that Sgr A* has exhibited "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.02690","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":"1507.02690","created_at":"2026-05-18T01:30:23.717560+00:00"},{"alias_kind":"arxiv_version","alias_value":"1507.02690v1","created_at":"2026-05-18T01:30:23.717560+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.02690","created_at":"2026-05-18T01:30:23.717560+00:00"},{"alias_kind":"pith_short_12","alias_value":"SOU5LHFBWZQI","created_at":"2026-05-18T12:29:42.218222+00:00"},{"alias_kind":"pith_short_16","alias_value":"SOU5LHFBWZQIZXAC","created_at":"2026-05-18T12:29:42.218222+00:00"},{"alias_kind":"pith_short_8","alias_value":"SOU5LHFB","created_at":"2026-05-18T12:29:42.218222+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/SOU5LHFBWZQIZXACIRJDU3L7NU","json":"https://pith.science/pith/SOU5LHFBWZQIZXACIRJDU3L7NU.json","graph_json":"https://pith.science/api/pith-number/SOU5LHFBWZQIZXACIRJDU3L7NU/graph.json","events_json":"https://pith.science/api/pith-number/SOU5LHFBWZQIZXACIRJDU3L7NU/events.json","paper":"https://pith.science/paper/SOU5LHFB"},"agent_actions":{"view_html":"https://pith.science/pith/SOU5LHFBWZQIZXACIRJDU3L7NU","download_json":"https://pith.science/pith/SOU5LHFBWZQIZXACIRJDU3L7NU.json","view_paper":"https://pith.science/paper/SOU5LHFB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1507.02690&json=true","fetch_graph":"https://pith.science/api/pith-number/SOU5LHFBWZQIZXACIRJDU3L7NU/graph.json","fetch_events":"https://pith.science/api/pith-number/SOU5LHFBWZQIZXACIRJDU3L7NU/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/SOU5LHFBWZQIZXACIRJDU3L7NU/action/timestamp_anchor","attest_storage":"https://pith.science/pith/SOU5LHFBWZQIZXACIRJDU3L7NU/action/storage_attestation","attest_author":"https://pith.science/pith/SOU5LHFBWZQIZXACIRJDU3L7NU/action/author_attestation","sign_citation":"https://pith.science/pith/SOU5LHFBWZQIZXACIRJDU3L7NU/action/citation_signature","submit_replication":"https://pith.science/pith/SOU5LHFBWZQIZXACIRJDU3L7NU/action/replication_record"}},"created_at":"2026-05-18T01:30:23.717560+00:00","updated_at":"2026-05-18T01:30:23.717560+00:00"}