{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:RSFUH2ZT62WEAA7MMMX2UBZU23","short_pith_number":"pith:RSFUH2ZT","canonical_record":{"source":{"id":"2005.14201","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2020-05-28T18:00:00Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"e5fc55e7725aa4c94085c19da58c5ee0e27bf13c96608f5131b1f6a9aac95082","abstract_canon_sha256":"97678be27de18954f736b63abb3b61ef134192d9b095d8cdbe21a49ae78a1b44"},"schema_version":"1.0"},"canonical_sha256":"8c8b43eb33f6ac4003ec632faa0734d6c4eb628f119f8a785892dd367e91f235","source":{"kind":"arxiv","id":"2005.14201","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2005.14201","created_at":"2026-07-05T01:10:39Z"},{"alias_kind":"arxiv_version","alias_value":"2005.14201v1","created_at":"2026-07-05T01:10:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2005.14201","created_at":"2026-07-05T01:10:39Z"},{"alias_kind":"pith_short_12","alias_value":"RSFUH2ZT62WE","created_at":"2026-07-05T01:10:39Z"},{"alias_kind":"pith_short_16","alias_value":"RSFUH2ZT62WEAA7M","created_at":"2026-07-05T01:10:39Z"},{"alias_kind":"pith_short_8","alias_value":"RSFUH2ZT","created_at":"2026-07-05T01:10:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:RSFUH2ZT62WEAA7MMMX2UBZU23","target":"record","payload":{"canonical_record":{"source":{"id":"2005.14201","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2020-05-28T18:00:00Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"e5fc55e7725aa4c94085c19da58c5ee0e27bf13c96608f5131b1f6a9aac95082","abstract_canon_sha256":"97678be27de18954f736b63abb3b61ef134192d9b095d8cdbe21a49ae78a1b44"},"schema_version":"1.0"},"canonical_sha256":"8c8b43eb33f6ac4003ec632faa0734d6c4eb628f119f8a785892dd367e91f235","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:10:39.539357Z","signature_b64":"SuyavwKS8ODKKmoLFT3rOtEQDlCFSKFXIVhrxERVHdWW1Nj3F6Bet511p5ldaEH7CiAsNM5kwWhSx07B6Jg0DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8c8b43eb33f6ac4003ec632faa0734d6c4eb628f119f8a785892dd367e91f235","last_reissued_at":"2026-07-05T01:10:39.538934Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:10:39.538934Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2005.14201","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":"2026-07-05T01:10:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gwuJJDvfNAVxa6WENPXA3mMsBLY8XZ95/IIbJiHheij68qxxQYFYb/pT76TbdxIVYjcR4hw+gz9JqLTcHoxWBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-02T04:37:04.686946Z"},"content_sha256":"fbb27f73cfa48ec589b06fd0a61586a7d9d5afe98af021224775955519685122","schema_version":"1.0","event_id":"sha256:fbb27f73cfa48ec589b06fd0a61586a7d9d5afe98af021224775955519685122"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:RSFUH2ZT62WEAA7MMMX2UBZU23","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The ASAS-SN Catalog of Variable Stars VIII: \"Dipper\" Stars in the Lupus Star-Forming Region","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.SR","authors_text":"B. J. Shappee, C. S. Kochanek, E. Gaidos, J. Gagn\\'e, J. L. Prieto, J. Van Saders, J. W. Bredall, K. Hart, K. Z. Stanek, P. Vallely, T. Jayasinghe, T. W.-S. Holoien","submitted_at":"2020-05-28T18:00:00Z","abstract_excerpt":"Some young stellar objects such as T Tauri-like \"dipper\" stars vary due to transient partial occultation by circumstellar dust, and observations of this phenomenon inform us of conditions in the planet-forming zones close to these stars. Although many dipper stars have been identified with space missions such as $Kepler$/$K2$, ground-based telescopes offer longer term and multi-wavelength perspectives. We identified 11 dipper stars in the Lupus star forming region in data from the All-Sky Automated Survey for SuperNovae (ASAS-SN), and further characterized these using observations by the Las C"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2005.14201","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/2005.14201/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":"2026-07-05T01:10:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"125SW0kf0W0Xk3YIzSvVJs8MOdMlicSNebbn+TRET6Gbj9zZkthZU3fprjkmoZE4BAZj/WLXsUHF3Tkoq/C5Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-02T04:37:04.687694Z"},"content_sha256":"a1f135d0cb0e147939a8e66463c0c57cc99ad64cd87843bfd8f2becd8f42e4ca","schema_version":"1.0","event_id":"sha256:a1f135d0cb0e147939a8e66463c0c57cc99ad64cd87843bfd8f2becd8f42e4ca"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RSFUH2ZT62WEAA7MMMX2UBZU23/bundle.json","state_url":"https://pith.science/pith/RSFUH2ZT62WEAA7MMMX2UBZU23/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RSFUH2ZT62WEAA7MMMX2UBZU23/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":"2026-08-02T04:37:04Z","links":{"resolver":"https://pith.science/pith/RSFUH2ZT62WEAA7MMMX2UBZU23","bundle":"https://pith.science/pith/RSFUH2ZT62WEAA7MMMX2UBZU23/bundle.json","state":"https://pith.science/pith/RSFUH2ZT62WEAA7MMMX2UBZU23/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RSFUH2ZT62WEAA7MMMX2UBZU23/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:RSFUH2ZT62WEAA7MMMX2UBZU23","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":"97678be27de18954f736b63abb3b61ef134192d9b095d8cdbe21a49ae78a1b44","cross_cats_sorted":["astro-ph.EP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2020-05-28T18:00:00Z","title_canon_sha256":"e5fc55e7725aa4c94085c19da58c5ee0e27bf13c96608f5131b1f6a9aac95082"},"schema_version":"1.0","source":{"id":"2005.14201","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2005.14201","created_at":"2026-07-05T01:10:39Z"},{"alias_kind":"arxiv_version","alias_value":"2005.14201v1","created_at":"2026-07-05T01:10:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2005.14201","created_at":"2026-07-05T01:10:39Z"},{"alias_kind":"pith_short_12","alias_value":"RSFUH2ZT62WE","created_at":"2026-07-05T01:10:39Z"},{"alias_kind":"pith_short_16","alias_value":"RSFUH2ZT62WEAA7M","created_at":"2026-07-05T01:10:39Z"},{"alias_kind":"pith_short_8","alias_value":"RSFUH2ZT","created_at":"2026-07-05T01:10:39Z"}],"graph_snapshots":[{"event_id":"sha256:a1f135d0cb0e147939a8e66463c0c57cc99ad64cd87843bfd8f2becd8f42e4ca","target":"graph","created_at":"2026-07-05T01:10:39Z","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/2005.14201/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Some young stellar objects such as T Tauri-like \"dipper\" stars vary due to transient partial occultation by circumstellar dust, and observations of this phenomenon inform us of conditions in the planet-forming zones close to these stars. Although many dipper stars have been identified with space missions such as $Kepler$/$K2$, ground-based telescopes offer longer term and multi-wavelength perspectives. We identified 11 dipper stars in the Lupus star forming region in data from the All-Sky Automated Survey for SuperNovae (ASAS-SN), and further characterized these using observations by the Las C","authors_text":"B. J. Shappee, C. S. Kochanek, E. Gaidos, J. Gagn\\'e, J. L. Prieto, J. Van Saders, J. W. Bredall, K. Hart, K. Z. Stanek, P. Vallely, T. Jayasinghe, T. W.-S. Holoien","cross_cats":["astro-ph.EP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2020-05-28T18:00:00Z","title":"The ASAS-SN Catalog of Variable Stars VIII: \"Dipper\" Stars in the Lupus Star-Forming Region"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2005.14201","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:fbb27f73cfa48ec589b06fd0a61586a7d9d5afe98af021224775955519685122","target":"record","created_at":"2026-07-05T01:10:39Z","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":"97678be27de18954f736b63abb3b61ef134192d9b095d8cdbe21a49ae78a1b44","cross_cats_sorted":["astro-ph.EP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2020-05-28T18:00:00Z","title_canon_sha256":"e5fc55e7725aa4c94085c19da58c5ee0e27bf13c96608f5131b1f6a9aac95082"},"schema_version":"1.0","source":{"id":"2005.14201","kind":"arxiv","version":1}},"canonical_sha256":"8c8b43eb33f6ac4003ec632faa0734d6c4eb628f119f8a785892dd367e91f235","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8c8b43eb33f6ac4003ec632faa0734d6c4eb628f119f8a785892dd367e91f235","first_computed_at":"2026-07-05T01:10:39.538934Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:10:39.538934Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SuyavwKS8ODKKmoLFT3rOtEQDlCFSKFXIVhrxERVHdWW1Nj3F6Bet511p5ldaEH7CiAsNM5kwWhSx07B6Jg0DQ==","signature_status":"signed_v1","signed_at":"2026-07-05T01:10:39.539357Z","signed_message":"canonical_sha256_bytes"},"source_id":"2005.14201","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fbb27f73cfa48ec589b06fd0a61586a7d9d5afe98af021224775955519685122","sha256:a1f135d0cb0e147939a8e66463c0c57cc99ad64cd87843bfd8f2becd8f42e4ca"],"state_sha256":"5b5cd8c571a49a9b35826c915414644ca43462bdc444d2c20d4fc44f18e0ae8b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Q61/YqSVZEdQY7p1yZsB4927tIrVMP2fIbP6GnZN8qEXlqrMD3N53ntgSkjgRd26LF5W4Tpq5aE+ToWpMzI4Bg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-02T04:37:04.692951Z","bundle_sha256":"2a944cd216087fb640f912c9c0c856e122a8e4d98f47f0d072ffc1cf08457036"}}