{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:PJALOCQS4KEAQTHCHFFW3M4PCJ","short_pith_number":"pith:PJALOCQS","canonical_record":{"source":{"id":"2306.17663","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-06-30T13:51:29Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"346bec73d00bbc08eb9b4583c202bb638948c2ebed3bc5803bc098d88eca557d","abstract_canon_sha256":"5015a577cb235ac1b0eb6691cf4e39c9e11cef667b7ba61340dcc13bafcb6820"},"schema_version":"1.0"},"canonical_sha256":"7a40b70a12e288084ce2394b6db38f12624cffe5b7a659c674d70b5772391434","source":{"kind":"arxiv","id":"2306.17663","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2306.17663","created_at":"2026-07-05T06:54:19Z"},{"alias_kind":"arxiv_version","alias_value":"2306.17663v2","created_at":"2026-07-05T06:54:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2306.17663","created_at":"2026-07-05T06:54:19Z"},{"alias_kind":"pith_short_12","alias_value":"PJALOCQS4KEA","created_at":"2026-07-05T06:54:19Z"},{"alias_kind":"pith_short_16","alias_value":"PJALOCQS4KEAQTHC","created_at":"2026-07-05T06:54:19Z"},{"alias_kind":"pith_short_8","alias_value":"PJALOCQS","created_at":"2026-07-05T06:54:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:PJALOCQS4KEAQTHCHFFW3M4PCJ","target":"record","payload":{"canonical_record":{"source":{"id":"2306.17663","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-06-30T13:51:29Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"346bec73d00bbc08eb9b4583c202bb638948c2ebed3bc5803bc098d88eca557d","abstract_canon_sha256":"5015a577cb235ac1b0eb6691cf4e39c9e11cef667b7ba61340dcc13bafcb6820"},"schema_version":"1.0"},"canonical_sha256":"7a40b70a12e288084ce2394b6db38f12624cffe5b7a659c674d70b5772391434","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:54:19.749797Z","signature_b64":"p6Qb3lBJLfLEHRLcZBpSFc4yscyI/dj9/kZNeNriWcKyqJDbxkY2Xd6szABEt+DzkhBaHiYNenWXGvxesLQGCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7a40b70a12e288084ce2394b6db38f12624cffe5b7a659c674d70b5772391434","last_reissued_at":"2026-07-05T06:54:19.749333Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:54:19.749333Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2306.17663","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":"2026-07-05T06:54:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UX5GOI+F9DNsOfjg5wzqw6NNHVOh1Rv3FlY/XAijYksJBEj7puZMqqADsJCZT+ZR2xCHHhud+0DQGlpNGtNyCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T08:05:01.359578Z"},"content_sha256":"4aa5cec30dacb794510bbd74c5ecbad1de2f7a681d196f7975ae23dc1adba318","schema_version":"1.0","event_id":"sha256:4aa5cec30dacb794510bbd74c5ecbad1de2f7a681d196f7975ae23dc1adba318"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:PJALOCQS4KEAQTHCHFFW3M4PCJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"AGN STORM 2. IV. Swift X-ray and ultraviolet/optical monitoring of Mrk 817","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.HE","authors_text":"Aaron J. Barth, Alexei V. Filippenko, Andjelka B. Kovacevic, Benjamin D. Boizelle, Carina Fian, Catherine J. Grier, Chen Hu, Christopher S. Kochanek, Christos Panagiotou, Daniele Rogantini, Daniel Kynoch, Daniel Proga, David Sanmartim, Diego H. Gonzalez Buitrago, Dragana Ilic, Edward M. Cackett, Elena Dalla Bonta, Erin A. Kara, Ethan Partington, Fatima Zaidouni, Fergus Donnan, Gary J. Ferland, Gerard A. Kriss, Gisella De Rosa, Hagai Netzer, Hermine Landt, Jacob N. McLane, Jake A. Miller, Jelle Kaastra, Jian-Min Wang, John Montano, Jonathan Gelbord, Keith Horne, Kirk T. Korista, Luka C. Popovic, Marianne Vestergaard, Maryam Dehghanian, Matthew R. Siebert, Michael R. Goad, Missagh Mehdipour, Misty C. Bentz, Nahum Arav, Patrick B. Hall, Pu Du, Rachel Plesha, Rick Edelson, Shai Kaspi, Thaisa Storchi-Bergmann, Tim Waters, Yan-Rong Li, Yasaman Homayouni","submitted_at":"2023-06-30T13:51:29Z","abstract_excerpt":"The AGN STORM 2 campaign is a large, multiwavelength reverberation mapping project designed to trace out the structure of Mrk 817 from the inner accretion disk to the broad emission line region and out to the dusty torus. As part of this campaign, Swift performed daily monitoring of Mrk 817 for approximately 15 months, obtaining observations in X-rays and six UV/optical filters. The X-ray monitoring shows that Mrk 817 was in a significantly fainter state than in previous observations, with only a brief flare where it reached prior flux levels. The X-ray spectrum is heavily obscured. The UV/opt"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2306.17663","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/2306.17663/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":"2026-07-05T06:54:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dQ5WXftWPmq4xAyOwBD2AlAGQddEmO0KkoIDpGVhDhwjjgH8u6WA/BDSkNkGyZIcPvz62lVCqpZ92tZ72+uFBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T08:05:01.359987Z"},"content_sha256":"f92a1c1f07902fa8222ed3c73ad37c5d0b887cf08bdb71511a090151e6d77be9","schema_version":"1.0","event_id":"sha256:f92a1c1f07902fa8222ed3c73ad37c5d0b887cf08bdb71511a090151e6d77be9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PJALOCQS4KEAQTHCHFFW3M4PCJ/bundle.json","state_url":"https://pith.science/pith/PJALOCQS4KEAQTHCHFFW3M4PCJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PJALOCQS4KEAQTHCHFFW3M4PCJ/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":"2026-08-07T08:05:01Z","links":{"resolver":"https://pith.science/pith/PJALOCQS4KEAQTHCHFFW3M4PCJ","bundle":"https://pith.science/pith/PJALOCQS4KEAQTHCHFFW3M4PCJ/bundle.json","state":"https://pith.science/pith/PJALOCQS4KEAQTHCHFFW3M4PCJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PJALOCQS4KEAQTHCHFFW3M4PCJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:PJALOCQS4KEAQTHCHFFW3M4PCJ","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":"5015a577cb235ac1b0eb6691cf4e39c9e11cef667b7ba61340dcc13bafcb6820","cross_cats_sorted":["astro-ph.GA"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-06-30T13:51:29Z","title_canon_sha256":"346bec73d00bbc08eb9b4583c202bb638948c2ebed3bc5803bc098d88eca557d"},"schema_version":"1.0","source":{"id":"2306.17663","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2306.17663","created_at":"2026-07-05T06:54:19Z"},{"alias_kind":"arxiv_version","alias_value":"2306.17663v2","created_at":"2026-07-05T06:54:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2306.17663","created_at":"2026-07-05T06:54:19Z"},{"alias_kind":"pith_short_12","alias_value":"PJALOCQS4KEA","created_at":"2026-07-05T06:54:19Z"},{"alias_kind":"pith_short_16","alias_value":"PJALOCQS4KEAQTHC","created_at":"2026-07-05T06:54:19Z"},{"alias_kind":"pith_short_8","alias_value":"PJALOCQS","created_at":"2026-07-05T06:54:19Z"}],"graph_snapshots":[{"event_id":"sha256:f92a1c1f07902fa8222ed3c73ad37c5d0b887cf08bdb71511a090151e6d77be9","target":"graph","created_at":"2026-07-05T06:54:19Z","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/2306.17663/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The AGN STORM 2 campaign is a large, multiwavelength reverberation mapping project designed to trace out the structure of Mrk 817 from the inner accretion disk to the broad emission line region and out to the dusty torus. As part of this campaign, Swift performed daily monitoring of Mrk 817 for approximately 15 months, obtaining observations in X-rays and six UV/optical filters. The X-ray monitoring shows that Mrk 817 was in a significantly fainter state than in previous observations, with only a brief flare where it reached prior flux levels. The X-ray spectrum is heavily obscured. The UV/opt","authors_text":"Aaron J. Barth, Alexei V. Filippenko, Andjelka B. Kovacevic, Benjamin D. Boizelle, Carina Fian, Catherine J. Grier, Chen Hu, Christopher S. Kochanek, Christos Panagiotou, Daniele Rogantini, Daniel Kynoch, Daniel Proga, David Sanmartim, Diego H. Gonzalez Buitrago, Dragana Ilic, Edward M. Cackett, Elena Dalla Bonta, Erin A. Kara, Ethan Partington, Fatima Zaidouni, Fergus Donnan, Gary J. Ferland, Gerard A. Kriss, Gisella De Rosa, Hagai Netzer, Hermine Landt, Jacob N. McLane, Jake A. Miller, Jelle Kaastra, Jian-Min Wang, John Montano, Jonathan Gelbord, Keith Horne, Kirk T. Korista, Luka C. Popovic, Marianne Vestergaard, Maryam Dehghanian, Matthew R. Siebert, Michael R. Goad, Missagh Mehdipour, Misty C. Bentz, Nahum Arav, Patrick B. Hall, Pu Du, Rachel Plesha, Rick Edelson, Shai Kaspi, Thaisa Storchi-Bergmann, Tim Waters, Yan-Rong Li, Yasaman Homayouni","cross_cats":["astro-ph.GA"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-06-30T13:51:29Z","title":"AGN STORM 2. IV. Swift X-ray and ultraviolet/optical monitoring of Mrk 817"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2306.17663","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":"sha256:4aa5cec30dacb794510bbd74c5ecbad1de2f7a681d196f7975ae23dc1adba318","target":"record","created_at":"2026-07-05T06:54:19Z","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":"5015a577cb235ac1b0eb6691cf4e39c9e11cef667b7ba61340dcc13bafcb6820","cross_cats_sorted":["astro-ph.GA"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-06-30T13:51:29Z","title_canon_sha256":"346bec73d00bbc08eb9b4583c202bb638948c2ebed3bc5803bc098d88eca557d"},"schema_version":"1.0","source":{"id":"2306.17663","kind":"arxiv","version":2}},"canonical_sha256":"7a40b70a12e288084ce2394b6db38f12624cffe5b7a659c674d70b5772391434","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7a40b70a12e288084ce2394b6db38f12624cffe5b7a659c674d70b5772391434","first_computed_at":"2026-07-05T06:54:19.749333Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:54:19.749333Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"p6Qb3lBJLfLEHRLcZBpSFc4yscyI/dj9/kZNeNriWcKyqJDbxkY2Xd6szABEt+DzkhBaHiYNenWXGvxesLQGCw==","signature_status":"signed_v1","signed_at":"2026-07-05T06:54:19.749797Z","signed_message":"canonical_sha256_bytes"},"source_id":"2306.17663","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4aa5cec30dacb794510bbd74c5ecbad1de2f7a681d196f7975ae23dc1adba318","sha256:f92a1c1f07902fa8222ed3c73ad37c5d0b887cf08bdb71511a090151e6d77be9"],"state_sha256":"5f8816aa055512ec54fb9ee35f7d739c9637be0da2fc4af93f6c94b5762fa080"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lnwnfdwu3rAdBL5EBeFDIt95Olx//gPajTnGqOEZ57q1aaab8osLWLNlHUSIQKiMMoFmPR7284MYjK2cNsa/Bg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T08:05:01.362972Z","bundle_sha256":"3c4565a2bb05bbbfaf07b6a4d2e69dd7a9e9842bfe918c47cf02a06d81ed53a9"}}