{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:JETSKFB5K5BRDCWWU4JQV3DT3Z","short_pith_number":"pith:JETSKFB5","canonical_record":{"source":{"id":"1108.1211","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-08-04T20:41:33Z","cross_cats_sorted":[],"title_canon_sha256":"b7665c89a1173e6b79d24eb9bb3923776df73bb2fe83c88fd1a03accca0e3835","abstract_canon_sha256":"32dfeaefee21d219346fe931e947b5d7be2baba2be8a90fed0c0422bfc4facf3"},"schema_version":"1.0"},"canonical_sha256":"492725143d5743118ad6a7130aec73de7ae128314d131e3144c9721d4de70fd2","source":{"kind":"arxiv","id":"1108.1211","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1108.1211","created_at":"2026-05-18T02:01:02Z"},{"alias_kind":"arxiv_version","alias_value":"1108.1211v2","created_at":"2026-05-18T02:01:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1108.1211","created_at":"2026-05-18T02:01:02Z"},{"alias_kind":"pith_short_12","alias_value":"JETSKFB5K5BR","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_16","alias_value":"JETSKFB5K5BRDCWW","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_8","alias_value":"JETSKFB5","created_at":"2026-05-18T12:26:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:JETSKFB5K5BRDCWWU4JQV3DT3Z","target":"record","payload":{"canonical_record":{"source":{"id":"1108.1211","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-08-04T20:41:33Z","cross_cats_sorted":[],"title_canon_sha256":"b7665c89a1173e6b79d24eb9bb3923776df73bb2fe83c88fd1a03accca0e3835","abstract_canon_sha256":"32dfeaefee21d219346fe931e947b5d7be2baba2be8a90fed0c0422bfc4facf3"},"schema_version":"1.0"},"canonical_sha256":"492725143d5743118ad6a7130aec73de7ae128314d131e3144c9721d4de70fd2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:01:02.592453Z","signature_b64":"AdHJQhzNzeQCnmBd3uySi0kR1sN2aqQY9S0S2tR1mn8/W08e/W8/cJBLbL+Vv4r2HZlbZ2YorUU98jffrroJCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"492725143d5743118ad6a7130aec73de7ae128314d131e3144c9721d4de70fd2","last_reissued_at":"2026-05-18T02:01:02.591928Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:01:02.591928Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1108.1211","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:01:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hExBCUMceQpip9dxPYoUZq4osiThislACoIZVbbyCezfoZGoZezBAXdk1eNbTRDzaAVEZ/h4KZqd3VlPS/uIBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T03:24:28.740675Z"},"content_sha256":"d0ed5e24e75e9d31f67bd0f99849e99de201c3e9c80bb05281ce61b821a486b0","schema_version":"1.0","event_id":"sha256:d0ed5e24e75e9d31f67bd0f99849e99de201c3e9c80bb05281ce61b821a486b0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:JETSKFB5K5BRDCWWU4JQV3DT3Z","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Strong X-ray variability in the quiescent state of the neutron star low-mass X-ray binary EXO 1745-248","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"N. Degenaar, R. Wijnands","submitted_at":"2011-08-04T20:41:33Z","abstract_excerpt":"The transient neutron star low-mass X-ray binary EXO 1745-248, located in the globular cluster Terzan 5, was detected during its quiescent state with Chandra in 2003. The source displayed a 0.5-10 keV X-ray luminosity of Lq ~ 1E33 (D/5.5kpc)^2 erg/s, which was completely dominated by hard non-thermal emission. This is at odds with other non-pulsating neutron stars that typically show detectable soft thermal emission at such quiescent luminosities. Here, we use three additional Chandra observations, performed in 2009 and 2011, to further study the quiescent properties of EXO 1745-248. We find t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1108.1211","kind":"arxiv","version":2},"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:01:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yfd/PTw4wNON5Y3l/k0mmP+/sWPebJyFB8iP59DMr2hW1Vg/beUdIdmQIEjcSVby8QVGYRmOTwo3FldhV+A/CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T03:24:28.741022Z"},"content_sha256":"3bce89ccda3de97ac9460c7ead94e96958b5a65e1e06a79e5b95f3fa6dbaf2bc","schema_version":"1.0","event_id":"sha256:3bce89ccda3de97ac9460c7ead94e96958b5a65e1e06a79e5b95f3fa6dbaf2bc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JETSKFB5K5BRDCWWU4JQV3DT3Z/bundle.json","state_url":"https://pith.science/pith/JETSKFB5K5BRDCWWU4JQV3DT3Z/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JETSKFB5K5BRDCWWU4JQV3DT3Z/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-05T03:24:28Z","links":{"resolver":"https://pith.science/pith/JETSKFB5K5BRDCWWU4JQV3DT3Z","bundle":"https://pith.science/pith/JETSKFB5K5BRDCWWU4JQV3DT3Z/bundle.json","state":"https://pith.science/pith/JETSKFB5K5BRDCWWU4JQV3DT3Z/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JETSKFB5K5BRDCWWU4JQV3DT3Z/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:JETSKFB5K5BRDCWWU4JQV3DT3Z","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"32dfeaefee21d219346fe931e947b5d7be2baba2be8a90fed0c0422bfc4facf3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-08-04T20:41:33Z","title_canon_sha256":"b7665c89a1173e6b79d24eb9bb3923776df73bb2fe83c88fd1a03accca0e3835"},"schema_version":"1.0","source":{"id":"1108.1211","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1108.1211","created_at":"2026-05-18T02:01:02Z"},{"alias_kind":"arxiv_version","alias_value":"1108.1211v2","created_at":"2026-05-18T02:01:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1108.1211","created_at":"2026-05-18T02:01:02Z"},{"alias_kind":"pith_short_12","alias_value":"JETSKFB5K5BR","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_16","alias_value":"JETSKFB5K5BRDCWW","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_8","alias_value":"JETSKFB5","created_at":"2026-05-18T12:26:32Z"}],"graph_snapshots":[{"event_id":"sha256:3bce89ccda3de97ac9460c7ead94e96958b5a65e1e06a79e5b95f3fa6dbaf2bc","target":"graph","created_at":"2026-05-18T02:01:02Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"The transient neutron star low-mass X-ray binary EXO 1745-248, located in the globular cluster Terzan 5, was detected during its quiescent state with Chandra in 2003. The source displayed a 0.5-10 keV X-ray luminosity of Lq ~ 1E33 (D/5.5kpc)^2 erg/s, which was completely dominated by hard non-thermal emission. This is at odds with other non-pulsating neutron stars that typically show detectable soft thermal emission at such quiescent luminosities. Here, we use three additional Chandra observations, performed in 2009 and 2011, to further study the quiescent properties of EXO 1745-248. We find t","authors_text":"N. Degenaar, R. Wijnands","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-08-04T20:41:33Z","title":"Strong X-ray variability in the quiescent state of the neutron star low-mass X-ray binary EXO 1745-248"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1108.1211","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:d0ed5e24e75e9d31f67bd0f99849e99de201c3e9c80bb05281ce61b821a486b0","target":"record","created_at":"2026-05-18T02:01:02Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"32dfeaefee21d219346fe931e947b5d7be2baba2be8a90fed0c0422bfc4facf3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-08-04T20:41:33Z","title_canon_sha256":"b7665c89a1173e6b79d24eb9bb3923776df73bb2fe83c88fd1a03accca0e3835"},"schema_version":"1.0","source":{"id":"1108.1211","kind":"arxiv","version":2}},"canonical_sha256":"492725143d5743118ad6a7130aec73de7ae128314d131e3144c9721d4de70fd2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"492725143d5743118ad6a7130aec73de7ae128314d131e3144c9721d4de70fd2","first_computed_at":"2026-05-18T02:01:02.591928Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:01:02.591928Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"AdHJQhzNzeQCnmBd3uySi0kR1sN2aqQY9S0S2tR1mn8/W08e/W8/cJBLbL+Vv4r2HZlbZ2YorUU98jffrroJCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:01:02.592453Z","signed_message":"canonical_sha256_bytes"},"source_id":"1108.1211","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d0ed5e24e75e9d31f67bd0f99849e99de201c3e9c80bb05281ce61b821a486b0","sha256:3bce89ccda3de97ac9460c7ead94e96958b5a65e1e06a79e5b95f3fa6dbaf2bc"],"state_sha256":"a2622a109893056e1b95d81c8c64305e6058fdd715f020cbd5151b7d95b82b04"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yKA7yL0H3N5QQkCIbjbfSz3rmoPI5k4cfbdLkf3Qj0FKRA8++PI2gV8vC/C6SReOKZRrOSl5VpGW27dW5EytCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T03:24:28.743059Z","bundle_sha256":"d9b2575bd62f61297ff78c1531c71849f1178a7a5785ab87ab6c4cabb24c6fc6"}}