{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:CAPYFAXUEWAWXV7SEU5IVLCHS2","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":"3ac0dc850ca35d63cd43f9d804567eb07438385a25ebb7dc60c2ef97db3d28c5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-11-13T21:00:41Z","title_canon_sha256":"fea4eda2168f9d0634153764ecd0f2986c58776227a8626c9acd0a638530b117"},"schema_version":"1.0","source":{"id":"0911.2704","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0911.2704","created_at":"2026-05-18T02:34:05Z"},{"alias_kind":"arxiv_version","alias_value":"0911.2704v1","created_at":"2026-05-18T02:34:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0911.2704","created_at":"2026-05-18T02:34:05Z"},{"alias_kind":"pith_short_12","alias_value":"CAPYFAXUEWAW","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"CAPYFAXUEWAWXV7S","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"CAPYFAXU","created_at":"2026-05-18T12:25:58Z"}],"graph_snapshots":[{"event_id":"sha256:47f873fd99f86143888b4683f5b8eb61b0c5e661be4a96411e992b88922c11d9","target":"graph","created_at":"2026-05-18T02:34:05Z","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] Protoplanetary disks with AU-scale inner clearings, often referred to as transitional disks, provide a unique sample for understanding disk dissipation mechanisms and possible connections to planet formation. Observations of young stellar clusters with the Spitzer Space Telescope have amassed mid-infrared spectral energy distributions for thousands of star-disk systems from which transition disks can be identified. From a sample of 8 relatively nearby young regions (d <= 400 pc), we have identified about 20 such objects, which we term \"classical\" transition disks, spanning a wide ra","authors_text":"James Muzerolle, Jesus Hernandez, Lori E. Allen, Robert A. Gutermuth, S. Thomas Megeath","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-11-13T21:00:41Z","title":"A Spitzer Census of Transitional Protoplanetary Disks with AU-Scale Inner Holes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0911.2704","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":"sha256:84af48f2c5a42c44cd6606809940b948e20cb919e3e51304a82d3e3e1abaed24","target":"record","created_at":"2026-05-18T02:34:05Z","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":"3ac0dc850ca35d63cd43f9d804567eb07438385a25ebb7dc60c2ef97db3d28c5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-11-13T21:00:41Z","title_canon_sha256":"fea4eda2168f9d0634153764ecd0f2986c58776227a8626c9acd0a638530b117"},"schema_version":"1.0","source":{"id":"0911.2704","kind":"arxiv","version":1}},"canonical_sha256":"101f8282f425816bd7f2253a8aac47969fb0674800ed65a64cdca760628ef9f7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"101f8282f425816bd7f2253a8aac47969fb0674800ed65a64cdca760628ef9f7","first_computed_at":"2026-05-18T02:34:05.496061Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:34:05.496061Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"z52b6OmHOSJyCL7ZBhVvoQXs9WimD+DvpXh4iAk1mq+QI+3VMUzcSZnhm+BqliLKno2oPutikPAAiJieyhumAg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:34:05.496740Z","signed_message":"canonical_sha256_bytes"},"source_id":"0911.2704","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:84af48f2c5a42c44cd6606809940b948e20cb919e3e51304a82d3e3e1abaed24","sha256:47f873fd99f86143888b4683f5b8eb61b0c5e661be4a96411e992b88922c11d9"],"state_sha256":"b7491e40462e9225b8cf22044af28228310db72e62d1eec4d6ef6d6ef8405ff1"}