{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:YFXBHYFBVLEJNAEUXMML7FVE6F","short_pith_number":"pith:YFXBHYFB","schema_version":"1.0","canonical_sha256":"c16e13e0a1aac8968094bb18bf96a4f17380248eab21af8635e39aa917519d4f","source":{"kind":"arxiv","id":"1011.4062","version":1},"attestation_state":"computed","paper":{"title":"Discovery of X-ray flaring activity in the Arches cluster","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Delphine Porquet, Nico Cappelluti, Peter Predehl, Renzo Capelli, Robert S. Warwick, Stefan Czesla, Stefan Gillessen","submitted_at":"2010-11-17T21:00:07Z","abstract_excerpt":"We present a study of the Arches cluster based on XMM-Newton observations performed over the past 8 years. Unexpectedly, we find that the X-ray emission associated with the cluster experienced a marked brightening in March/April 2007. We investigate the origin of both the X-ray continuum emission emanating from the star cluster and the flare. To study the time variability of the total X-ray flux, we stacked the PN and MOS data of observations performed within a time interval of a few days leading to the detection of the flaring episode. We then constructed two spectral datasets, one correspond"},"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":"1011.4062","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-11-17T21:00:07Z","cross_cats_sorted":[],"title_canon_sha256":"5afc2c4f29bbac727c79dbb81772ea8af6123ce1ded08d0785ea49c67544c39e","abstract_canon_sha256":"5d2d6c040fbcffa6100904a2266aa4849ac93b50755d5e34d59e2d1af704ea89"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:04:44.316782Z","signature_b64":"qj4kr7KSKZAs6gPP0LYoLEdC9rgKOn74xWS4I+xF+TVX+NTd+ODDX9xog8mL0Rsfi1EzqL4jBG8oDejXzbSsAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c16e13e0a1aac8968094bb18bf96a4f17380248eab21af8635e39aa917519d4f","last_reissued_at":"2026-05-18T02:04:44.315912Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:04:44.315912Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Discovery of X-ray flaring activity in the Arches cluster","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Delphine Porquet, Nico Cappelluti, Peter Predehl, Renzo Capelli, Robert S. Warwick, Stefan Czesla, Stefan Gillessen","submitted_at":"2010-11-17T21:00:07Z","abstract_excerpt":"We present a study of the Arches cluster based on XMM-Newton observations performed over the past 8 years. Unexpectedly, we find that the X-ray emission associated with the cluster experienced a marked brightening in March/April 2007. We investigate the origin of both the X-ray continuum emission emanating from the star cluster and the flare. To study the time variability of the total X-ray flux, we stacked the PN and MOS data of observations performed within a time interval of a few days leading to the detection of the flaring episode. We then constructed two spectral datasets, one correspond"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1011.4062","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":"1011.4062","created_at":"2026-05-18T02:04:44.316060+00:00"},{"alias_kind":"arxiv_version","alias_value":"1011.4062v1","created_at":"2026-05-18T02:04:44.316060+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1011.4062","created_at":"2026-05-18T02:04:44.316060+00:00"},{"alias_kind":"pith_short_12","alias_value":"YFXBHYFBVLEJ","created_at":"2026-05-18T12:26:17.028572+00:00"},{"alias_kind":"pith_short_16","alias_value":"YFXBHYFBVLEJNAEU","created_at":"2026-05-18T12:26:17.028572+00:00"},{"alias_kind":"pith_short_8","alias_value":"YFXBHYFB","created_at":"2026-05-18T12:26:17.028572+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/YFXBHYFBVLEJNAEUXMML7FVE6F","json":"https://pith.science/pith/YFXBHYFBVLEJNAEUXMML7FVE6F.json","graph_json":"https://pith.science/api/pith-number/YFXBHYFBVLEJNAEUXMML7FVE6F/graph.json","events_json":"https://pith.science/api/pith-number/YFXBHYFBVLEJNAEUXMML7FVE6F/events.json","paper":"https://pith.science/paper/YFXBHYFB"},"agent_actions":{"view_html":"https://pith.science/pith/YFXBHYFBVLEJNAEUXMML7FVE6F","download_json":"https://pith.science/pith/YFXBHYFBVLEJNAEUXMML7FVE6F.json","view_paper":"https://pith.science/paper/YFXBHYFB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1011.4062&json=true","fetch_graph":"https://pith.science/api/pith-number/YFXBHYFBVLEJNAEUXMML7FVE6F/graph.json","fetch_events":"https://pith.science/api/pith-number/YFXBHYFBVLEJNAEUXMML7FVE6F/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/YFXBHYFBVLEJNAEUXMML7FVE6F/action/timestamp_anchor","attest_storage":"https://pith.science/pith/YFXBHYFBVLEJNAEUXMML7FVE6F/action/storage_attestation","attest_author":"https://pith.science/pith/YFXBHYFBVLEJNAEUXMML7FVE6F/action/author_attestation","sign_citation":"https://pith.science/pith/YFXBHYFBVLEJNAEUXMML7FVE6F/action/citation_signature","submit_replication":"https://pith.science/pith/YFXBHYFBVLEJNAEUXMML7FVE6F/action/replication_record"}},"created_at":"2026-05-18T02:04:44.316060+00:00","updated_at":"2026-05-18T02:04:44.316060+00:00"}