{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:NRQ67ZWZZGQ52LYFDQ2CP3MGGN","short_pith_number":"pith:NRQ67ZWZ","canonical_record":{"source":{"id":"2012.10100","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-12-18T08:21:18Z","cross_cats_sorted":[],"title_canon_sha256":"dc660ea4ca33a885e86781b7e41c9f302e737bbc6d31310fe0f3bd3a62ccf5f4","abstract_canon_sha256":"8465390f633b63e5b996618931472cc2513dd1509cb1b92c6a1f65c6d9e899ca"},"schema_version":"1.0"},"canonical_sha256":"6c61efe6d9c9a1dd2f051c3427ed863378cb440b0d018b6c13beabfb68de392d","source":{"kind":"arxiv","id":"2012.10100","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2012.10100","created_at":"2026-07-05T02:21:41Z"},{"alias_kind":"arxiv_version","alias_value":"2012.10100v1","created_at":"2026-07-05T02:21:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.10100","created_at":"2026-07-05T02:21:41Z"},{"alias_kind":"pith_short_12","alias_value":"NRQ67ZWZZGQ5","created_at":"2026-07-05T02:21:41Z"},{"alias_kind":"pith_short_16","alias_value":"NRQ67ZWZZGQ52LYF","created_at":"2026-07-05T02:21:41Z"},{"alias_kind":"pith_short_8","alias_value":"NRQ67ZWZ","created_at":"2026-07-05T02:21:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:NRQ67ZWZZGQ52LYFDQ2CP3MGGN","target":"record","payload":{"canonical_record":{"source":{"id":"2012.10100","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-12-18T08:21:18Z","cross_cats_sorted":[],"title_canon_sha256":"dc660ea4ca33a885e86781b7e41c9f302e737bbc6d31310fe0f3bd3a62ccf5f4","abstract_canon_sha256":"8465390f633b63e5b996618931472cc2513dd1509cb1b92c6a1f65c6d9e899ca"},"schema_version":"1.0"},"canonical_sha256":"6c61efe6d9c9a1dd2f051c3427ed863378cb440b0d018b6c13beabfb68de392d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:21:41.134012Z","signature_b64":"rgYwbsSYCvw88fLRUzO4JirxpY4UtY1xZqN73bettIPh1Ja+KTP0GMFUG4qYcpCQ4pwBCKcFEw6IMs9HR9fyCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6c61efe6d9c9a1dd2f051c3427ed863378cb440b0d018b6c13beabfb68de392d","last_reissued_at":"2026-07-05T02:21:41.133594Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:21:41.133594Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2012.10100","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":"2026-07-05T02:21:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/z7DBARnZs4IxMJTl4HKiRpHbGJ/8GNBav9o9+8Px7kTt7BTgmIZXQIf+7Sw//aROfIyYJE1hKHIQCzcsWT0Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T18:25:51.836583Z"},"content_sha256":"439d7220e5154e5150169c19dc45ed8520c61a3f7031c177626f9781f96b8e1f","schema_version":"1.0","event_id":"sha256:439d7220e5154e5150169c19dc45ed8520c61a3f7031c177626f9781f96b8e1f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:NRQ67ZWZZGQ52LYFDQ2CP3MGGN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Fast flaring observed from XMMU J053108.3-690923 by eROSITA: a supergiant fast X-ray transient in the Large Magellanic Cloud","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"C. Maitra, F. Haberl, G. Vasilopoulos, K.Dennerl, L. Ducci, S. Carpano","submitted_at":"2020-12-18T08:21:18Z","abstract_excerpt":"Supergiant fast X-ray transients (SFXTs) are a peculiar class of supergiant high-mass X-ray binary (HMXB) systems characterised by extreme variability in the X-ray domain. In current models, this is mainly attributed to the clumpy nature of the stellar wind coupled with gating mechanisms involving the spin and magnetic field of the neutron star. We studied the X-ray properties of the supergiant HMXB XMMU J053108.3-690923 in the Large Magellanic Cloud to understand its nature. We performed a detailed temporal and spectral analysis of the eROSITA and XMM-Newton data of XMMU J053108.3-690923. We "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.10100","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2012.10100/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T02:21:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"q03vxzVJ///HUWS914jFPXAwpvTFotMJ8PnQa/sscvB5Y4jEwR9cUmAWCmjqZFWf3j1VxPUnQb/pQ3BE7ckqDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T18:25:51.837136Z"},"content_sha256":"f0bb0061a62f2682681125e5edc4f05f285b4061903ca22e31c09b8c4a12139f","schema_version":"1.0","event_id":"sha256:f0bb0061a62f2682681125e5edc4f05f285b4061903ca22e31c09b8c4a12139f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NRQ67ZWZZGQ52LYFDQ2CP3MGGN/bundle.json","state_url":"https://pith.science/pith/NRQ67ZWZZGQ52LYFDQ2CP3MGGN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NRQ67ZWZZGQ52LYFDQ2CP3MGGN/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":"2026-08-12T18:25:51Z","links":{"resolver":"https://pith.science/pith/NRQ67ZWZZGQ52LYFDQ2CP3MGGN","bundle":"https://pith.science/pith/NRQ67ZWZZGQ52LYFDQ2CP3MGGN/bundle.json","state":"https://pith.science/pith/NRQ67ZWZZGQ52LYFDQ2CP3MGGN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NRQ67ZWZZGQ52LYFDQ2CP3MGGN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:NRQ67ZWZZGQ52LYFDQ2CP3MGGN","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":"8465390f633b63e5b996618931472cc2513dd1509cb1b92c6a1f65c6d9e899ca","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-12-18T08:21:18Z","title_canon_sha256":"dc660ea4ca33a885e86781b7e41c9f302e737bbc6d31310fe0f3bd3a62ccf5f4"},"schema_version":"1.0","source":{"id":"2012.10100","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2012.10100","created_at":"2026-07-05T02:21:41Z"},{"alias_kind":"arxiv_version","alias_value":"2012.10100v1","created_at":"2026-07-05T02:21:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.10100","created_at":"2026-07-05T02:21:41Z"},{"alias_kind":"pith_short_12","alias_value":"NRQ67ZWZZGQ5","created_at":"2026-07-05T02:21:41Z"},{"alias_kind":"pith_short_16","alias_value":"NRQ67ZWZZGQ52LYF","created_at":"2026-07-05T02:21:41Z"},{"alias_kind":"pith_short_8","alias_value":"NRQ67ZWZ","created_at":"2026-07-05T02:21:41Z"}],"graph_snapshots":[{"event_id":"sha256:f0bb0061a62f2682681125e5edc4f05f285b4061903ca22e31c09b8c4a12139f","target":"graph","created_at":"2026-07-05T02:21:41Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2012.10100/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Supergiant fast X-ray transients (SFXTs) are a peculiar class of supergiant high-mass X-ray binary (HMXB) systems characterised by extreme variability in the X-ray domain. In current models, this is mainly attributed to the clumpy nature of the stellar wind coupled with gating mechanisms involving the spin and magnetic field of the neutron star. We studied the X-ray properties of the supergiant HMXB XMMU J053108.3-690923 in the Large Magellanic Cloud to understand its nature. We performed a detailed temporal and spectral analysis of the eROSITA and XMM-Newton data of XMMU J053108.3-690923. We ","authors_text":"C. Maitra, F. Haberl, G. Vasilopoulos, K.Dennerl, L. Ducci, S. Carpano","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-12-18T08:21:18Z","title":"Fast flaring observed from XMMU J053108.3-690923 by eROSITA: a supergiant fast X-ray transient in the Large Magellanic Cloud"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.10100","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":"sha256:439d7220e5154e5150169c19dc45ed8520c61a3f7031c177626f9781f96b8e1f","target":"record","created_at":"2026-07-05T02:21:41Z","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":"8465390f633b63e5b996618931472cc2513dd1509cb1b92c6a1f65c6d9e899ca","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-12-18T08:21:18Z","title_canon_sha256":"dc660ea4ca33a885e86781b7e41c9f302e737bbc6d31310fe0f3bd3a62ccf5f4"},"schema_version":"1.0","source":{"id":"2012.10100","kind":"arxiv","version":1}},"canonical_sha256":"6c61efe6d9c9a1dd2f051c3427ed863378cb440b0d018b6c13beabfb68de392d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6c61efe6d9c9a1dd2f051c3427ed863378cb440b0d018b6c13beabfb68de392d","first_computed_at":"2026-07-05T02:21:41.133594Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:21:41.133594Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rgYwbsSYCvw88fLRUzO4JirxpY4UtY1xZqN73bettIPh1Ja+KTP0GMFUG4qYcpCQ4pwBCKcFEw6IMs9HR9fyCA==","signature_status":"signed_v1","signed_at":"2026-07-05T02:21:41.134012Z","signed_message":"canonical_sha256_bytes"},"source_id":"2012.10100","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:439d7220e5154e5150169c19dc45ed8520c61a3f7031c177626f9781f96b8e1f","sha256:f0bb0061a62f2682681125e5edc4f05f285b4061903ca22e31c09b8c4a12139f"],"state_sha256":"75220d8857e3db3bd20f6d7982c6ec167ba47385f4bc39cf988d64d2a279223e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"T6XMN1uzHpLP40uhXj54ekFisiBx+jyITFXKdNrvlsJlT9lzxF8kXcMHm2PuvhCl/c/JdbnyUTj+/T5/Qhf1Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-12T18:25:51.841048Z","bundle_sha256":"2a77a52e11e4eb81016d116b76e0730fd28df8076b6e4304fbbd5dcc4c642bdf"}}