{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:GWLLYW4PJYOQAOIQRF6NBXIQNU","short_pith_number":"pith:GWLLYW4P","canonical_record":{"source":{"id":"1907.04724","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-07-10T13:43:50Z","cross_cats_sorted":[],"title_canon_sha256":"e2754b9690c9bf9177d6223ff6f9d146165e46f785348a3dda6c1f2ae5d2242c","abstract_canon_sha256":"a506dcf9119a7f84d47e2f803474d9f98d27a87eed2b2c6a96a6db231baa70fd"},"schema_version":"1.0"},"canonical_sha256":"3596bc5b8f4e1d003910897cd0dd106d1b9cb084e212a832e4b5bd6b096ba40e","source":{"kind":"arxiv","id":"1907.04724","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.04724","created_at":"2026-07-05T02:26:10Z"},{"alias_kind":"arxiv_version","alias_value":"1907.04724v2","created_at":"2026-07-05T02:26:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.04724","created_at":"2026-07-05T02:26:10Z"},{"alias_kind":"pith_short_12","alias_value":"GWLLYW4PJYOQ","created_at":"2026-07-05T02:26:10Z"},{"alias_kind":"pith_short_16","alias_value":"GWLLYW4PJYOQAOIQ","created_at":"2026-07-05T02:26:10Z"},{"alias_kind":"pith_short_8","alias_value":"GWLLYW4P","created_at":"2026-07-05T02:26:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:GWLLYW4PJYOQAOIQRF6NBXIQNU","target":"record","payload":{"canonical_record":{"source":{"id":"1907.04724","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-07-10T13:43:50Z","cross_cats_sorted":[],"title_canon_sha256":"e2754b9690c9bf9177d6223ff6f9d146165e46f785348a3dda6c1f2ae5d2242c","abstract_canon_sha256":"a506dcf9119a7f84d47e2f803474d9f98d27a87eed2b2c6a96a6db231baa70fd"},"schema_version":"1.0"},"canonical_sha256":"3596bc5b8f4e1d003910897cd0dd106d1b9cb084e212a832e4b5bd6b096ba40e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:26:10.350224Z","signature_b64":"Zela3zTSnyNRz+iNDn/CdMiiawTrL8g/4gf5SIIQYmIzkbY9uSvabhddIc02BgBowd0ueKOhh46lDVvLvdejAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3596bc5b8f4e1d003910897cd0dd106d1b9cb084e212a832e4b5bd6b096ba40e","last_reissued_at":"2026-07-05T02:26:10.349792Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:26:10.349792Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1907.04724","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":"2026-07-05T02:26:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RkIEQWs5A0MODLwke65ebG5LfifM0Sn/hPktFCYEkRmtJ82TR1Utq3pgEoM7juBgOG9oFkDy1rkunKvTmLdKCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T10:25:52.429908Z"},"content_sha256":"d4cc4fbe1a2520087856662f371859391d22b4927571c6cddd17668b5798a234","schema_version":"1.0","event_id":"sha256:d4cc4fbe1a2520087856662f371859391d22b4927571c6cddd17668b5798a234"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:GWLLYW4PJYOQAOIQRF6NBXIQNU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Recurrent low-level luminosity behaviour after a giant outburst in the Be/X-ray transient 4U 0115+63","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. Parikh, A. Patruno, A. Rouco Escorial, J. van den Eijnden, L. S. Ootes, N. Degenaar, R. Wijnands","submitted_at":"2019-07-10T13:43:50Z","abstract_excerpt":"In 2017, the Be/X-ray transient 4U 0115+63 exhibited a new type-II outburst that was two times fainter than its 2015 giant outburst (in the Swift/BAT count rates). Despite this difference between the two bright events, the source displayed similar X-ray behaviour after these periods. Once the outbursts ceased, the source did not transit towards quiescence directly, but was detected about a factor of 10 above its known quiescent level. It eventually decayed back to quiescence over time scales of months. In this paper we present the results of our Swift monitoring campaign, and an XMM-Newton obs"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.04724","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1907.04724/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":"2026-07-05T02:26:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qfayZjXtIPfDPux9b3rs30h24pUZpI8PFGoSD0LMK0HsYVBJQoo6cNikTAwG7407bx+95K6yJLjBaPNbQbPmAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T10:25:52.430532Z"},"content_sha256":"db76a5f16556f9542571689a952de9d2f3e3cb6abd40b01235bd688ec42e104a","schema_version":"1.0","event_id":"sha256:db76a5f16556f9542571689a952de9d2f3e3cb6abd40b01235bd688ec42e104a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GWLLYW4PJYOQAOIQRF6NBXIQNU/bundle.json","state_url":"https://pith.science/pith/GWLLYW4PJYOQAOIQRF6NBXIQNU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GWLLYW4PJYOQAOIQRF6NBXIQNU/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":"2026-08-23T10:25:52Z","links":{"resolver":"https://pith.science/pith/GWLLYW4PJYOQAOIQRF6NBXIQNU","bundle":"https://pith.science/pith/GWLLYW4PJYOQAOIQRF6NBXIQNU/bundle.json","state":"https://pith.science/pith/GWLLYW4PJYOQAOIQRF6NBXIQNU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GWLLYW4PJYOQAOIQRF6NBXIQNU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:GWLLYW4PJYOQAOIQRF6NBXIQNU","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":"a506dcf9119a7f84d47e2f803474d9f98d27a87eed2b2c6a96a6db231baa70fd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-07-10T13:43:50Z","title_canon_sha256":"e2754b9690c9bf9177d6223ff6f9d146165e46f785348a3dda6c1f2ae5d2242c"},"schema_version":"1.0","source":{"id":"1907.04724","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.04724","created_at":"2026-07-05T02:26:10Z"},{"alias_kind":"arxiv_version","alias_value":"1907.04724v2","created_at":"2026-07-05T02:26:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.04724","created_at":"2026-07-05T02:26:10Z"},{"alias_kind":"pith_short_12","alias_value":"GWLLYW4PJYOQ","created_at":"2026-07-05T02:26:10Z"},{"alias_kind":"pith_short_16","alias_value":"GWLLYW4PJYOQAOIQ","created_at":"2026-07-05T02:26:10Z"},{"alias_kind":"pith_short_8","alias_value":"GWLLYW4P","created_at":"2026-07-05T02:26:10Z"}],"graph_snapshots":[{"event_id":"sha256:db76a5f16556f9542571689a952de9d2f3e3cb6abd40b01235bd688ec42e104a","target":"graph","created_at":"2026-07-05T02:26:10Z","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/1907.04724/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In 2017, the Be/X-ray transient 4U 0115+63 exhibited a new type-II outburst that was two times fainter than its 2015 giant outburst (in the Swift/BAT count rates). Despite this difference between the two bright events, the source displayed similar X-ray behaviour after these periods. Once the outbursts ceased, the source did not transit towards quiescence directly, but was detected about a factor of 10 above its known quiescent level. It eventually decayed back to quiescence over time scales of months. In this paper we present the results of our Swift monitoring campaign, and an XMM-Newton obs","authors_text":"A. Parikh, A. Patruno, A. Rouco Escorial, J. van den Eijnden, L. S. Ootes, N. Degenaar, R. Wijnands","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-07-10T13:43:50Z","title":"Recurrent low-level luminosity behaviour after a giant outburst in the Be/X-ray transient 4U 0115+63"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.04724","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:d4cc4fbe1a2520087856662f371859391d22b4927571c6cddd17668b5798a234","target":"record","created_at":"2026-07-05T02:26:10Z","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":"a506dcf9119a7f84d47e2f803474d9f98d27a87eed2b2c6a96a6db231baa70fd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-07-10T13:43:50Z","title_canon_sha256":"e2754b9690c9bf9177d6223ff6f9d146165e46f785348a3dda6c1f2ae5d2242c"},"schema_version":"1.0","source":{"id":"1907.04724","kind":"arxiv","version":2}},"canonical_sha256":"3596bc5b8f4e1d003910897cd0dd106d1b9cb084e212a832e4b5bd6b096ba40e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3596bc5b8f4e1d003910897cd0dd106d1b9cb084e212a832e4b5bd6b096ba40e","first_computed_at":"2026-07-05T02:26:10.349792Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:26:10.349792Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Zela3zTSnyNRz+iNDn/CdMiiawTrL8g/4gf5SIIQYmIzkbY9uSvabhddIc02BgBowd0ueKOhh46lDVvLvdejAA==","signature_status":"signed_v1","signed_at":"2026-07-05T02:26:10.350224Z","signed_message":"canonical_sha256_bytes"},"source_id":"1907.04724","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d4cc4fbe1a2520087856662f371859391d22b4927571c6cddd17668b5798a234","sha256:db76a5f16556f9542571689a952de9d2f3e3cb6abd40b01235bd688ec42e104a"],"state_sha256":"60c4de8ba20c5d925bee164f501d185a312d7b68d54a9d695d295212714c9130"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hOGr/sCQDIf9U6/Wkd/KBcZAe0K0UtHNTmHqyWXHNcHVOpQeCQpSlNQkt9ykzYA5kP+OXxoAqnbYLVUDAxBhCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-23T10:25:52.435788Z","bundle_sha256":"0405f18a9aa8a28f706e98822fbbc577ff77660765a31827c4d04c0e29080ecc"}}