{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:UYCYL5UTGOPAUIMSSBSAZOQAWL","short_pith_number":"pith:UYCYL5UT","canonical_record":{"source":{"id":"0907.2659","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-07-15T17:11:04Z","cross_cats_sorted":[],"title_canon_sha256":"9554447f53383b9ac44ff92e09d94eff0c2b186dcd289b1471df828bf5d85cc4","abstract_canon_sha256":"0ba47ff513fc0d465c2e026808959040cbea9c37ed61436c4e3d94423f0ff601"},"schema_version":"1.0"},"canonical_sha256":"a60585f693339e0a219290640cba00b2e56e537bb1cf32745db72467fb42623e","source":{"kind":"arxiv","id":"0907.2659","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0907.2659","created_at":"2026-05-18T02:13:02Z"},{"alias_kind":"arxiv_version","alias_value":"0907.2659v1","created_at":"2026-05-18T02:13:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0907.2659","created_at":"2026-05-18T02:13:02Z"},{"alias_kind":"pith_short_12","alias_value":"UYCYL5UTGOPA","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_16","alias_value":"UYCYL5UTGOPAUIMS","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_8","alias_value":"UYCYL5UT","created_at":"2026-05-18T12:26:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:UYCYL5UTGOPAUIMSSBSAZOQAWL","target":"record","payload":{"canonical_record":{"source":{"id":"0907.2659","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-07-15T17:11:04Z","cross_cats_sorted":[],"title_canon_sha256":"9554447f53383b9ac44ff92e09d94eff0c2b186dcd289b1471df828bf5d85cc4","abstract_canon_sha256":"0ba47ff513fc0d465c2e026808959040cbea9c37ed61436c4e3d94423f0ff601"},"schema_version":"1.0"},"canonical_sha256":"a60585f693339e0a219290640cba00b2e56e537bb1cf32745db72467fb42623e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:13:02.684620Z","signature_b64":"BUu66AMN46+s/dUABZGL9RLyH+DUSzxI/le69VwnAUxBFkvJ7umYWtZDGtTL281UAQr4gzk/YYwakPZlmu1zBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a60585f693339e0a219290640cba00b2e56e537bb1cf32745db72467fb42623e","last_reissued_at":"2026-05-18T02:13:02.683915Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:13:02.683915Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0907.2659","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":"2026-05-18T02:13:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lWMFa6ZlLX9fG4lpt/T3vlMb3h+qHF0nZwcgTkY3GYyn4tm+c/jWmyHf+4ssN+B8rslGF5GQXbqzbt4AqwR3Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T21:23:35.497672Z"},"content_sha256":"952e13ec93112b995744bf83fd7aa45dd215ca9c136ace224fd2d26a7ee26e71","schema_version":"1.0","event_id":"sha256:952e13ec93112b995744bf83fd7aa45dd215ca9c136ace224fd2d26a7ee26e71"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:UYCYL5UTGOPAUIMSSBSAZOQAWL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Swift observations of GW Lib: a unique insight into a rare outburst","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. Beardmore, G.A. Wynn, J.P. Osborne, K. Byckling, K. Mukai, P.J. Wheatley, R.G. West, V. Braito","submitted_at":"2009-07-15T17:11:04Z","abstract_excerpt":"The second known outburst of the WZ Sge type dwarf nova GW Lib was observed in April 2007. We have obtained unique multiwavelength data of this outburst which lasted ~ 26 days. AAVSO observers recorded the outburst in the optical, which was also monitored by WASP, with a peak V magnitude of ~ 8. The outburst was followed in the UV and X-ray wavelengths by the Swift UVOT and XRT telescopes. The X-ray flux at optical maximum was found to be three orders of magnitude above the pre-outburst quiescent level, whereas X-rays are normally suppressed during dwarf nova outbursts. A distinct supersoft X-"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0907.2659","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":"2026-05-18T02:13:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0UrEcM6ygOHFlVfrGqYj4irIzJLpxdjDhNBmsOxgFx7yb+lQb1mGOAyAVDJ33GZZJI31Et0c4WCZCEiFNnVuCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T21:23:35.498018Z"},"content_sha256":"14940fa405260d6ac994f642fd1c5e11702dc41e302e0befc49d93fb936f86f2","schema_version":"1.0","event_id":"sha256:14940fa405260d6ac994f642fd1c5e11702dc41e302e0befc49d93fb936f86f2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UYCYL5UTGOPAUIMSSBSAZOQAWL/bundle.json","state_url":"https://pith.science/pith/UYCYL5UTGOPAUIMSSBSAZOQAWL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UYCYL5UTGOPAUIMSSBSAZOQAWL/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":"2026-06-01T21:23:35Z","links":{"resolver":"https://pith.science/pith/UYCYL5UTGOPAUIMSSBSAZOQAWL","bundle":"https://pith.science/pith/UYCYL5UTGOPAUIMSSBSAZOQAWL/bundle.json","state":"https://pith.science/pith/UYCYL5UTGOPAUIMSSBSAZOQAWL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UYCYL5UTGOPAUIMSSBSAZOQAWL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:UYCYL5UTGOPAUIMSSBSAZOQAWL","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":"0ba47ff513fc0d465c2e026808959040cbea9c37ed61436c4e3d94423f0ff601","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-07-15T17:11:04Z","title_canon_sha256":"9554447f53383b9ac44ff92e09d94eff0c2b186dcd289b1471df828bf5d85cc4"},"schema_version":"1.0","source":{"id":"0907.2659","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0907.2659","created_at":"2026-05-18T02:13:02Z"},{"alias_kind":"arxiv_version","alias_value":"0907.2659v1","created_at":"2026-05-18T02:13:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0907.2659","created_at":"2026-05-18T02:13:02Z"},{"alias_kind":"pith_short_12","alias_value":"UYCYL5UTGOPA","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_16","alias_value":"UYCYL5UTGOPAUIMS","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_8","alias_value":"UYCYL5UT","created_at":"2026-05-18T12:26:02Z"}],"graph_snapshots":[{"event_id":"sha256:14940fa405260d6ac994f642fd1c5e11702dc41e302e0befc49d93fb936f86f2","target":"graph","created_at":"2026-05-18T02:13:02Z","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 second known outburst of the WZ Sge type dwarf nova GW Lib was observed in April 2007. We have obtained unique multiwavelength data of this outburst which lasted ~ 26 days. AAVSO observers recorded the outburst in the optical, which was also monitored by WASP, with a peak V magnitude of ~ 8. The outburst was followed in the UV and X-ray wavelengths by the Swift UVOT and XRT telescopes. The X-ray flux at optical maximum was found to be three orders of magnitude above the pre-outburst quiescent level, whereas X-rays are normally suppressed during dwarf nova outbursts. A distinct supersoft X-","authors_text":"A. Beardmore, G.A. Wynn, J.P. Osborne, K. Byckling, K. Mukai, P.J. Wheatley, R.G. West, V. Braito","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-07-15T17:11:04Z","title":"Swift observations of GW Lib: a unique insight into a rare outburst"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0907.2659","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":"sha256:952e13ec93112b995744bf83fd7aa45dd215ca9c136ace224fd2d26a7ee26e71","target":"record","created_at":"2026-05-18T02:13:02Z","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":"0ba47ff513fc0d465c2e026808959040cbea9c37ed61436c4e3d94423f0ff601","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-07-15T17:11:04Z","title_canon_sha256":"9554447f53383b9ac44ff92e09d94eff0c2b186dcd289b1471df828bf5d85cc4"},"schema_version":"1.0","source":{"id":"0907.2659","kind":"arxiv","version":1}},"canonical_sha256":"a60585f693339e0a219290640cba00b2e56e537bb1cf32745db72467fb42623e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a60585f693339e0a219290640cba00b2e56e537bb1cf32745db72467fb42623e","first_computed_at":"2026-05-18T02:13:02.683915Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:13:02.683915Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BUu66AMN46+s/dUABZGL9RLyH+DUSzxI/le69VwnAUxBFkvJ7umYWtZDGtTL281UAQr4gzk/YYwakPZlmu1zBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:13:02.684620Z","signed_message":"canonical_sha256_bytes"},"source_id":"0907.2659","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:952e13ec93112b995744bf83fd7aa45dd215ca9c136ace224fd2d26a7ee26e71","sha256:14940fa405260d6ac994f642fd1c5e11702dc41e302e0befc49d93fb936f86f2"],"state_sha256":"71fe188c5ba9f5dabe0bc4008af9d88cf9e4f5af2b357a7fbb4db6ed2f0da744"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aJeR+bypQTCPho+Ykwego17T9DuwyuTLIN07vWEvhl5Z8s/9Z/8KKgs5MOeTgkP/5KPGPtryZyD+yZ52x2k+BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T21:23:35.499964Z","bundle_sha256":"091a53c6634d102bc1088627f470aad45c4ac34004adde01fcd24c48c0f0f8b6"}}