{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:EV5KIHVYLKAD2X6NOG6EQQNLXF","short_pith_number":"pith:EV5KIHVY","canonical_record":{"source":{"id":"1108.4070","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-08-19T22:41:59Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"caf43634968ee5ab79fe3003e015aacd74a0e9265c90c3ffeedd3f8d8d52cafc","abstract_canon_sha256":"7b89d6033e84f12c969d5510f0f360f64fd20c66536b563b433b22f95684191d"},"schema_version":"1.0"},"canonical_sha256":"257aa41eb85a803d5fcd71bc4841abb95a1f26154063c984d8821e2f81f487a7","source":{"kind":"arxiv","id":"1108.4070","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1108.4070","created_at":"2026-05-18T02:00:50Z"},{"alias_kind":"arxiv_version","alias_value":"1108.4070v2","created_at":"2026-05-18T02:00:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1108.4070","created_at":"2026-05-18T02:00:50Z"},{"alias_kind":"pith_short_12","alias_value":"EV5KIHVYLKAD","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_16","alias_value":"EV5KIHVYLKAD2X6N","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_8","alias_value":"EV5KIHVY","created_at":"2026-05-18T12:26:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:EV5KIHVYLKAD2X6NOG6EQQNLXF","target":"record","payload":{"canonical_record":{"source":{"id":"1108.4070","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-08-19T22:41:59Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"caf43634968ee5ab79fe3003e015aacd74a0e9265c90c3ffeedd3f8d8d52cafc","abstract_canon_sha256":"7b89d6033e84f12c969d5510f0f360f64fd20c66536b563b433b22f95684191d"},"schema_version":"1.0"},"canonical_sha256":"257aa41eb85a803d5fcd71bc4841abb95a1f26154063c984d8821e2f81f487a7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:00:50.236511Z","signature_b64":"qNkF+xVS4XSuafRFLZt1aG62Ux0z/YHo5B2m2Nw/WdHS6wR61OwEBsrbPP9iCQeWFz2rgBzHLculGAKTZlJmAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"257aa41eb85a803d5fcd71bc4841abb95a1f26154063c984d8821e2f81f487a7","last_reissued_at":"2026-05-18T02:00:50.235975Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:00:50.235975Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1108.4070","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":"2026-05-18T02:00:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JrmItfA04nM5zH815FaFM2QQ/LrSMw9EZsT55aVu3qIhYzNDKgP0wFs+FcAAbQY7dZwmGZBimmWDhhqAot49CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T02:41:58.914489Z"},"content_sha256":"70c97a8470c360a3e40587c66d8c2fc1fff91c31f44b02de4c44f4e9c467166a","schema_version":"1.0","event_id":"sha256:70c97a8470c360a3e40587c66d8c2fc1fff91c31f44b02de4c44f4e9c467166a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:EV5KIHVYLKAD2X6NOG6EQQNLXF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Planetary Construction Zones in Occultation: Discovery of an Extrasolar Ring System Transiting a Young Sun-like Star and Future Prospects for Detecting Eclipses by Circumsecondary and Circumplanetary Disks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.SR","authors_text":"Alice C. Quillen, Andrew Collier Cameron, Eric E. Mamajek, Erin L. Scott, Fred Moolekamp, Mark J. Pecaut, Matthew A. Kenworthy, Neil R. Parley","submitted_at":"2011-08-19T22:41:59Z","abstract_excerpt":"<abridged> The large relative sizes of circumstellar and circumplanetary disks imply that they might be seen in eclipse in stellar light curves. We estimate that a survey of ~10^4 young (~10 Myr old) post-accretion pre-MS stars monitored for ~10 years should yield at least a few deep eclipses from circumplanetary disks and disks surrounding low mass companion stars. We present photometric and spectroscopic data for a pre-MS K5 star (1SWASP J140747.93-394542.6), a newly discovered ~0.9 Msun member of the ~16 Myr-old Upper Cen-Lup subgroup of Sco-Cen at a kinematic distance of 128 pc. SuperWASP "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1108.4070","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":""},"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":"2026-05-18T02:00:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CdEG6sFVQJALw43OxTgAqrh49XO1JVR57pL80fO7q9dnoSWwt/jo/r8VRhUZ5pochT6GNP/1RN5+fwmSTw1bBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T02:41:58.915221Z"},"content_sha256":"9276791504f5e248eb4cf12978d84e0c7ac8f2e8c773b14302432722075030b8","schema_version":"1.0","event_id":"sha256:9276791504f5e248eb4cf12978d84e0c7ac8f2e8c773b14302432722075030b8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EV5KIHVYLKAD2X6NOG6EQQNLXF/bundle.json","state_url":"https://pith.science/pith/EV5KIHVYLKAD2X6NOG6EQQNLXF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EV5KIHVYLKAD2X6NOG6EQQNLXF/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":"2026-05-27T02:41:58Z","links":{"resolver":"https://pith.science/pith/EV5KIHVYLKAD2X6NOG6EQQNLXF","bundle":"https://pith.science/pith/EV5KIHVYLKAD2X6NOG6EQQNLXF/bundle.json","state":"https://pith.science/pith/EV5KIHVYLKAD2X6NOG6EQQNLXF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EV5KIHVYLKAD2X6NOG6EQQNLXF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:EV5KIHVYLKAD2X6NOG6EQQNLXF","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":"7b89d6033e84f12c969d5510f0f360f64fd20c66536b563b433b22f95684191d","cross_cats_sorted":["astro-ph.EP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-08-19T22:41:59Z","title_canon_sha256":"caf43634968ee5ab79fe3003e015aacd74a0e9265c90c3ffeedd3f8d8d52cafc"},"schema_version":"1.0","source":{"id":"1108.4070","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1108.4070","created_at":"2026-05-18T02:00:50Z"},{"alias_kind":"arxiv_version","alias_value":"1108.4070v2","created_at":"2026-05-18T02:00:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1108.4070","created_at":"2026-05-18T02:00:50Z"},{"alias_kind":"pith_short_12","alias_value":"EV5KIHVYLKAD","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_16","alias_value":"EV5KIHVYLKAD2X6N","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_8","alias_value":"EV5KIHVY","created_at":"2026-05-18T12:26:28Z"}],"graph_snapshots":[{"event_id":"sha256:9276791504f5e248eb4cf12978d84e0c7ac8f2e8c773b14302432722075030b8","target":"graph","created_at":"2026-05-18T02:00:50Z","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":"<abridged> The large relative sizes of circumstellar and circumplanetary disks imply that they might be seen in eclipse in stellar light curves. We estimate that a survey of ~10^4 young (~10 Myr old) post-accretion pre-MS stars monitored for ~10 years should yield at least a few deep eclipses from circumplanetary disks and disks surrounding low mass companion stars. We present photometric and spectroscopic data for a pre-MS K5 star (1SWASP J140747.93-394542.6), a newly discovered ~0.9 Msun member of the ~16 Myr-old Upper Cen-Lup subgroup of Sco-Cen at a kinematic distance of 128 pc. SuperWASP ","authors_text":"Alice C. Quillen, Andrew Collier Cameron, Eric E. Mamajek, Erin L. Scott, Fred Moolekamp, Mark J. Pecaut, Matthew A. Kenworthy, Neil R. Parley","cross_cats":["astro-ph.EP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-08-19T22:41:59Z","title":"Planetary Construction Zones in Occultation: Discovery of an Extrasolar Ring System Transiting a Young Sun-like Star and Future Prospects for Detecting Eclipses by Circumsecondary and Circumplanetary Disks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1108.4070","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":"sha256:70c97a8470c360a3e40587c66d8c2fc1fff91c31f44b02de4c44f4e9c467166a","target":"record","created_at":"2026-05-18T02:00:50Z","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":"7b89d6033e84f12c969d5510f0f360f64fd20c66536b563b433b22f95684191d","cross_cats_sorted":["astro-ph.EP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-08-19T22:41:59Z","title_canon_sha256":"caf43634968ee5ab79fe3003e015aacd74a0e9265c90c3ffeedd3f8d8d52cafc"},"schema_version":"1.0","source":{"id":"1108.4070","kind":"arxiv","version":2}},"canonical_sha256":"257aa41eb85a803d5fcd71bc4841abb95a1f26154063c984d8821e2f81f487a7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"257aa41eb85a803d5fcd71bc4841abb95a1f26154063c984d8821e2f81f487a7","first_computed_at":"2026-05-18T02:00:50.235975Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:00:50.235975Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qNkF+xVS4XSuafRFLZt1aG62Ux0z/YHo5B2m2Nw/WdHS6wR61OwEBsrbPP9iCQeWFz2rgBzHLculGAKTZlJmAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:00:50.236511Z","signed_message":"canonical_sha256_bytes"},"source_id":"1108.4070","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:70c97a8470c360a3e40587c66d8c2fc1fff91c31f44b02de4c44f4e9c467166a","sha256:9276791504f5e248eb4cf12978d84e0c7ac8f2e8c773b14302432722075030b8"],"state_sha256":"7f93cad9a994fd4d2f383d2648791f94afb3ce8fc6dd333090fd1138292bb55c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DTlA0+cpu89+QLiznMQVJPnLDUh+cswi/jzJyfQAv2qXjbjvgpyUsSH7Uskj9RwfFRKjuzueUErGV9Ux/G0mCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T02:41:58.919130Z","bundle_sha256":"5da6673cd4ccc45dc94308d36607a0b25f9aa81658e97e9f3380b1b25dc93604"}}