{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:QEYBOUXNUQQKKOW2NFI7TBR6RA","short_pith_number":"pith:QEYBOUXN","canonical_record":{"source":{"id":"1007.1091","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-07-07T09:59:49Z","cross_cats_sorted":["astro-ph.GA","astro-ph.SR"],"title_canon_sha256":"8de73ce5e64a6d8da93ae3290a68b65f07ba008f297175e111872508b33b2850","abstract_canon_sha256":"dec611ea7b849a07a5e104fdbf64759cb756804b4b298517b29e52b6966077b9"},"schema_version":"1.0"},"canonical_sha256":"81301752eda420a53ada6951f9863e881648b9827a297b89499ccd041408f6f8","source":{"kind":"arxiv","id":"1007.1091","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1007.1091","created_at":"2026-05-18T02:06:31Z"},{"alias_kind":"arxiv_version","alias_value":"1007.1091v1","created_at":"2026-05-18T02:06:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1007.1091","created_at":"2026-05-18T02:06:31Z"},{"alias_kind":"pith_short_12","alias_value":"QEYBOUXNUQQK","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_16","alias_value":"QEYBOUXNUQQKKOW2","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_8","alias_value":"QEYBOUXN","created_at":"2026-05-18T12:26:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:QEYBOUXNUQQKKOW2NFI7TBR6RA","target":"record","payload":{"canonical_record":{"source":{"id":"1007.1091","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-07-07T09:59:49Z","cross_cats_sorted":["astro-ph.GA","astro-ph.SR"],"title_canon_sha256":"8de73ce5e64a6d8da93ae3290a68b65f07ba008f297175e111872508b33b2850","abstract_canon_sha256":"dec611ea7b849a07a5e104fdbf64759cb756804b4b298517b29e52b6966077b9"},"schema_version":"1.0"},"canonical_sha256":"81301752eda420a53ada6951f9863e881648b9827a297b89499ccd041408f6f8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:06:31.640403Z","signature_b64":"vgkAXg/yxt+wpDL5b5xggl2x6jHJHaQwyvDGhsTJUg1LzvtjZhDWL1jj66USQhkGVHuyCquhRqRSad3r8adGDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"81301752eda420a53ada6951f9863e881648b9827a297b89499ccd041408f6f8","last_reissued_at":"2026-05-18T02:06:31.639596Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:06:31.639596Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1007.1091","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:06:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UyO7zgL7651kCJdVdmIlBMNfCIuq76ng9ilW0tPSyEZzUwSNTEaXvDlVfpVH6GfXGlfqMoor4uAolDWCrOttCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T00:34:55.685065Z"},"content_sha256":"cd125beadd71a8c6572b833933db1c4486c841636bcdb32e4f0f9430fc6deff9","schema_version":"1.0","event_id":"sha256:cd125beadd71a8c6572b833933db1c4486c841636bcdb32e4f0f9430fc6deff9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:QEYBOUXNUQQKKOW2NFI7TBR6RA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The longest observation of a low intensity state from a Supergiant Fast X-ray Transient: Suzaku observes IGRJ08408-4503","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA","astro-ph.SR"],"primary_cat":"astro-ph.HE","authors_text":"(2) INAF, 3), (3) INFN Pavia, 4) ((1) INAF-IASF Milano, (4) Dipartimento di Fisica e Matematica, Como, Italy, Italy), L. Ducci (1, L. Sidoli (1), Osservatorio Astronomico di Cagliari, P. Esposito (2, Universita' dell'Insubria","submitted_at":"2010-07-07T09:59:49Z","abstract_excerpt":"We report here on the longest deep X-ray observation of a SFXT outside outburst, with an average luminosity level of 1E33 erg/s (assuming 3 kpc distance). This observation was performed with Suzaku in December 2009 and was targeted on IGRJ08408-4503, with a net exposure with the X-ray imaging spectrometer (XIS, 0.4-10 keV) and the hard X-ray detector (HXD, 15-100 keV) of 67.4 ks and 64.7 ks, respectively, spanning about three days. The source was caught in a low intensity state characterized by an initially average X-ray luminosity level of 4E32 erg/s (0.5-10 keV) during the first 120 ks, foll"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1007.1091","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:06:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kRFP60jgX3EE8g46QqnthDrpTF/AUtGUjcheVGEx93zLBKi++tJko64w0/p121iDEzzt5BFS/02K43Xf9LGUBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T00:34:55.685651Z"},"content_sha256":"27435af57a44e2eee520bed245c61a886a1eb0189e4056fe0637d1c1ccad52aa","schema_version":"1.0","event_id":"sha256:27435af57a44e2eee520bed245c61a886a1eb0189e4056fe0637d1c1ccad52aa"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QEYBOUXNUQQKKOW2NFI7TBR6RA/bundle.json","state_url":"https://pith.science/pith/QEYBOUXNUQQKKOW2NFI7TBR6RA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QEYBOUXNUQQKKOW2NFI7TBR6RA/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":"2026-06-05T00:34:55Z","links":{"resolver":"https://pith.science/pith/QEYBOUXNUQQKKOW2NFI7TBR6RA","bundle":"https://pith.science/pith/QEYBOUXNUQQKKOW2NFI7TBR6RA/bundle.json","state":"https://pith.science/pith/QEYBOUXNUQQKKOW2NFI7TBR6RA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QEYBOUXNUQQKKOW2NFI7TBR6RA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:QEYBOUXNUQQKKOW2NFI7TBR6RA","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":"dec611ea7b849a07a5e104fdbf64759cb756804b4b298517b29e52b6966077b9","cross_cats_sorted":["astro-ph.GA","astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-07-07T09:59:49Z","title_canon_sha256":"8de73ce5e64a6d8da93ae3290a68b65f07ba008f297175e111872508b33b2850"},"schema_version":"1.0","source":{"id":"1007.1091","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1007.1091","created_at":"2026-05-18T02:06:31Z"},{"alias_kind":"arxiv_version","alias_value":"1007.1091v1","created_at":"2026-05-18T02:06:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1007.1091","created_at":"2026-05-18T02:06:31Z"},{"alias_kind":"pith_short_12","alias_value":"QEYBOUXNUQQK","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_16","alias_value":"QEYBOUXNUQQKKOW2","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_8","alias_value":"QEYBOUXN","created_at":"2026-05-18T12:26:12Z"}],"graph_snapshots":[{"event_id":"sha256:27435af57a44e2eee520bed245c61a886a1eb0189e4056fe0637d1c1ccad52aa","target":"graph","created_at":"2026-05-18T02:06:31Z","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":"We report here on the longest deep X-ray observation of a SFXT outside outburst, with an average luminosity level of 1E33 erg/s (assuming 3 kpc distance). This observation was performed with Suzaku in December 2009 and was targeted on IGRJ08408-4503, with a net exposure with the X-ray imaging spectrometer (XIS, 0.4-10 keV) and the hard X-ray detector (HXD, 15-100 keV) of 67.4 ks and 64.7 ks, respectively, spanning about three days. The source was caught in a low intensity state characterized by an initially average X-ray luminosity level of 4E32 erg/s (0.5-10 keV) during the first 120 ks, foll","authors_text":"(2) INAF, 3), (3) INFN Pavia, 4) ((1) INAF-IASF Milano, (4) Dipartimento di Fisica e Matematica, Como, Italy, Italy), L. Ducci (1, L. Sidoli (1), Osservatorio Astronomico di Cagliari, P. Esposito (2, Universita' dell'Insubria","cross_cats":["astro-ph.GA","astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-07-07T09:59:49Z","title":"The longest observation of a low intensity state from a Supergiant Fast X-ray Transient: Suzaku observes IGRJ08408-4503"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1007.1091","kind":"arxiv","version":1},"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:cd125beadd71a8c6572b833933db1c4486c841636bcdb32e4f0f9430fc6deff9","target":"record","created_at":"2026-05-18T02:06:31Z","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":"dec611ea7b849a07a5e104fdbf64759cb756804b4b298517b29e52b6966077b9","cross_cats_sorted":["astro-ph.GA","astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-07-07T09:59:49Z","title_canon_sha256":"8de73ce5e64a6d8da93ae3290a68b65f07ba008f297175e111872508b33b2850"},"schema_version":"1.0","source":{"id":"1007.1091","kind":"arxiv","version":1}},"canonical_sha256":"81301752eda420a53ada6951f9863e881648b9827a297b89499ccd041408f6f8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"81301752eda420a53ada6951f9863e881648b9827a297b89499ccd041408f6f8","first_computed_at":"2026-05-18T02:06:31.639596Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:06:31.639596Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vgkAXg/yxt+wpDL5b5xggl2x6jHJHaQwyvDGhsTJUg1LzvtjZhDWL1jj66USQhkGVHuyCquhRqRSad3r8adGDA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:06:31.640403Z","signed_message":"canonical_sha256_bytes"},"source_id":"1007.1091","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cd125beadd71a8c6572b833933db1c4486c841636bcdb32e4f0f9430fc6deff9","sha256:27435af57a44e2eee520bed245c61a886a1eb0189e4056fe0637d1c1ccad52aa"],"state_sha256":"daf9abd72ebdfac1f29bd970a1bebb2c78f13735f14eb645473f87f5b16c40ac"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qlNAYE79/wrCkKTQ1nJMOaEsyE/qJzGykgX4+o3+v3bdygOHwXKxPlE+KHTtxKQiY8l7XhIIT75fkCgE6JJ0Bg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T00:34:55.688641Z","bundle_sha256":"397a03e35ce27083c8e3d6169b02103b9ccfe4dc64c063689243d156d88f4ffe"}}