{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:BABVDSLKXRF7EWER6VB64B2OXS","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":"e88aebdba1825a825f837f87057ba3a23110f2f6d86fa50566dd8424c1d624af","cross_cats_sorted":["astro-ph.GA","astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2020-10-29T01:54:14Z","title_canon_sha256":"38172cb58974b989d0709a535f29992815973571b7452d8124d0639c8482fc70"},"schema_version":"1.0","source":{"id":"2010.15310","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2010.15310","created_at":"2026-07-05T02:35:20Z"},{"alias_kind":"arxiv_version","alias_value":"2010.15310v2","created_at":"2026-07-05T02:35:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2010.15310","created_at":"2026-07-05T02:35:20Z"},{"alias_kind":"pith_short_12","alias_value":"BABVDSLKXRF7","created_at":"2026-07-05T02:35:20Z"},{"alias_kind":"pith_short_16","alias_value":"BABVDSLKXRF7EWER","created_at":"2026-07-05T02:35:20Z"},{"alias_kind":"pith_short_8","alias_value":"BABVDSLK","created_at":"2026-07-05T02:35:20Z"}],"graph_snapshots":[{"event_id":"sha256:35ae951d55178943aa2f1112344af73a26dadbe4c081507512ceaa9fcbc4e930","target":"graph","created_at":"2026-07-05T02:35:20Z","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/2010.15310/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present ALMA observations of the $^{12}$CO, $^{13}$CO, C$^{18}$O J=2-1 transitions and the 1.3\\,mm continuum emission for the circumbinary disc around HD 142527, at an angular resolution of $\\approx$\\,0\\farcs3. We observe multiple spiral structures in intensity, velocity and velocity dispersion for the $^{12}$CO and $^{13}$CO gas tracers. A newly detected $^{12}$CO spiral originates from the dust horseshoe, and is rotating at super-Keplerian velocity or vertically ascending, whilst the inter-spiral gas is rotating at sub-Keplerian velocities. This new spiral possibly connects to a previousl","authors_text":"Andres Zuleta, Christophe Pinte, Daniel Price, Himanshi Garg, Jasmina Lazendic, Sebastian Marino, Sebastian Perez, Simon Casassus, Valentin Christiaens, Yann Boehler","cross_cats":["astro-ph.GA","astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2020-10-29T01:54:14Z","title":"Non-Keplerian spirals, a gas-pressure dust trap and an eccentric gas cavity in the circumbinary disc around HD 142527"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2010.15310","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:cb6ed000a04d1d0d856fc38c3b17b0087b415193f2462abe5c23034268f99699","target":"record","created_at":"2026-07-05T02:35:20Z","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":"e88aebdba1825a825f837f87057ba3a23110f2f6d86fa50566dd8424c1d624af","cross_cats_sorted":["astro-ph.GA","astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2020-10-29T01:54:14Z","title_canon_sha256":"38172cb58974b989d0709a535f29992815973571b7452d8124d0639c8482fc70"},"schema_version":"1.0","source":{"id":"2010.15310","kind":"arxiv","version":2}},"canonical_sha256":"080351c96abc4bf25891f543ee074ebc90d3d40061b4e3f9fbd557e29d073196","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"080351c96abc4bf25891f543ee074ebc90d3d40061b4e3f9fbd557e29d073196","first_computed_at":"2026-07-05T02:35:20.468988Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:35:20.468988Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"emWuSzf+vbhScBKd/lcbFckOPJ0/T60Q+bq8W59LG5GGWL95mvtCbbcolra3qzRTwC0QzglPlPiOqFvnhKjqDw==","signature_status":"signed_v1","signed_at":"2026-07-05T02:35:20.469441Z","signed_message":"canonical_sha256_bytes"},"source_id":"2010.15310","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cb6ed000a04d1d0d856fc38c3b17b0087b415193f2462abe5c23034268f99699","sha256:35ae951d55178943aa2f1112344af73a26dadbe4c081507512ceaa9fcbc4e930"],"state_sha256":"9c76e276b03100fb16e410f7c19ce245a8f4ad176881c3fb17a5cb7980935c9e"}