{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:PX3FXGUL7IK2IJ4KSFVJOFUNWO","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":"f03230c247697c660d5c3abb8ff86a319314ea898c338dc630e264a669809f60","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-11-30T17:12:10Z","title_canon_sha256":"1561c9276afa45c0dd7f6d0a0cceccece7873423f15b30d10bafa51f1037cc5a"},"schema_version":"1.0","source":{"id":"1511.09390","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.09390","created_at":"2026-05-18T01:12:01Z"},{"alias_kind":"arxiv_version","alias_value":"1511.09390v2","created_at":"2026-05-18T01:12:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.09390","created_at":"2026-05-18T01:12:01Z"},{"alias_kind":"pith_short_12","alias_value":"PX3FXGUL7IK2","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_16","alias_value":"PX3FXGUL7IK2IJ4K","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_8","alias_value":"PX3FXGUL","created_at":"2026-05-18T12:29:37Z"}],"graph_snapshots":[{"event_id":"sha256:efeda4e5f379c92b884eb036d6f2e9396bfcb2a709f30ec1401ff60bbbcfcf33","target":"graph","created_at":"2026-05-18T01:12:01Z","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":"HD 142527A is one of the most studied Herbig Ae/Be stars with a transitional disk, as it has the largest imaged gap in any protoplanetary disk: the gas is cleared from 30 to 90 AU. The HD142527 system is also unique in that it has a stellar companion with a small mass compared to the mass of the primary star. This factor of ~20 in mass ratio between the two objects makes this binary system different from any other YSO. The HD142527 system could therefore provide a valuable test bed. This low-mass stellar object may be responsible for both the gap and dust trapping observed by ALMA at longer di","authors_text":"A. Cardwell, A. Cheetham, A. Greenbaum, A. Juhasz, A. Sicilia-Aguilar, A. Sivaramakrishnan, B. Biller, B. Macintosh, E. E. Mamajek, F. Rantakyr\\\"o, G. Chauvin, I. Baraffe, J. H. Girard, J. Olofsson, J. R. Graham, J.-U. Pott, L. Pueyo, M. Benisty, M. Bonnefoy, M. Perrin, N. Sadakuni, P. Hibon, P. Ingraham, P. Tuthill, Q. Konopacky, R. Oppenheimer, S. Goodsell, S. Lacour, S. Marino, S. Thomas, T. Henning, T. Pearce","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-11-30T17:12:10Z","title":"An M-dwarf star in the transition disk of Herbig HD 142527; Physical parameters and orbital elements"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.09390","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":"sha256:9c4118e143c90bda604463eb4bd08e92d5e46ed1409a797bb9f67647123a50ca","target":"record","created_at":"2026-05-18T01:12:01Z","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":"f03230c247697c660d5c3abb8ff86a319314ea898c338dc630e264a669809f60","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-11-30T17:12:10Z","title_canon_sha256":"1561c9276afa45c0dd7f6d0a0cceccece7873423f15b30d10bafa51f1037cc5a"},"schema_version":"1.0","source":{"id":"1511.09390","kind":"arxiv","version":2}},"canonical_sha256":"7df65b9a8bfa15a4278a916a97168db3ab364dabd7fb061f3dd015eeafb707ba","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7df65b9a8bfa15a4278a916a97168db3ab364dabd7fb061f3dd015eeafb707ba","first_computed_at":"2026-05-18T01:12:01.586899Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:12:01.586899Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wcbYWbiH7LxSEc1M2Q9tmCAIszaOkoCP7jSYmSP7MwOwZpJR4caqbriHeI4RaOwCup4snEEw+ETyD7qUCAs+DA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:12:01.587234Z","signed_message":"canonical_sha256_bytes"},"source_id":"1511.09390","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9c4118e143c90bda604463eb4bd08e92d5e46ed1409a797bb9f67647123a50ca","sha256:efeda4e5f379c92b884eb036d6f2e9396bfcb2a709f30ec1401ff60bbbcfcf33"],"state_sha256":"13a9d67b2d5dddac8ec7c8b1a33b98ec902ff089575a0a0dc7d309c7a3875668"}