{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:L22G6MHW4VA2UBU5YJLCBECV6P","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":"8c1e0bf7be1624f0a17d46fb63e3f4a2be17bd1f8c6a9fa05e6fdf828fd7102e","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":"2020-07-29T18:00:03Z","title_canon_sha256":"b2fc102a3879b7bfe0582519e53aed60a1f964f84b88ecb78625239c179bfa36"},"schema_version":"1.0","source":{"id":"2007.15014","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2007.15014","created_at":"2026-07-05T01:33:41Z"},{"alias_kind":"arxiv_version","alias_value":"2007.15014v1","created_at":"2026-07-05T01:33:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2007.15014","created_at":"2026-07-05T01:33:41Z"},{"alias_kind":"pith_short_12","alias_value":"L22G6MHW4VA2","created_at":"2026-07-05T01:33:41Z"},{"alias_kind":"pith_short_16","alias_value":"L22G6MHW4VA2UBU5","created_at":"2026-07-05T01:33:41Z"},{"alias_kind":"pith_short_8","alias_value":"L22G6MHW","created_at":"2026-07-05T01:33:41Z"}],"graph_snapshots":[{"event_id":"sha256:1c48049aa2650eb362497ff7e0625f67653bf3a56618d7a53959d1bce04cc8c1","target":"graph","created_at":"2026-07-05T01:33:41Z","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/2007.15014/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The protoplanetary disk around Ophiuchus IRS 48 shows an azimuthally asymmetric dust distribution in (sub-)millimeter observations, which is interpreted as a vortex, where millimeter/centimeter-sized particles are trapped at the location of the continuum peak. In this paper, we present 860 $\\mu$m ALMA observations of polarized dust emission of this disk. The polarized emission was detected toward a part of the disk. The polarization vectors are parallel to the disk minor axis, and the polarization fraction was derived to be $1-2$\\%. These characteristics are consistent with models of self-scat","authors_text":"Adriana Pohl, Akimasa Kataoka, Charles L. H. Hull, Ewine F. van Dishoeck, Nienke van der Marel, Paola Pinilla, Satoshi Ohashi, Thomas Henning, William R. F. Dent","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":"2020-07-29T18:00:03Z","title":"Solving grain size inconsistency between ALMA polarization and VLA continuum in the Ophiuchus IRS 48 protoplanetary disk"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2007.15014","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":"sha256:06b832a28ddf5dedc28ea805886880842a1e2d0ee4d52940abd04a34e6743c08","target":"record","created_at":"2026-07-05T01:33:41Z","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":"8c1e0bf7be1624f0a17d46fb63e3f4a2be17bd1f8c6a9fa05e6fdf828fd7102e","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":"2020-07-29T18:00:03Z","title_canon_sha256":"b2fc102a3879b7bfe0582519e53aed60a1f964f84b88ecb78625239c179bfa36"},"schema_version":"1.0","source":{"id":"2007.15014","kind":"arxiv","version":1}},"canonical_sha256":"5eb46f30f6e541aa069dc256209055f3f1b662d9c0ff062c97e1c82a4c6e0f62","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5eb46f30f6e541aa069dc256209055f3f1b662d9c0ff062c97e1c82a4c6e0f62","first_computed_at":"2026-07-05T01:33:41.881476Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:33:41.881476Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"s/Z8HejdvpIT1Y1mCFfvLVBuIjV4yfOlbordNt7O1vIqm9u01PMxznu6tC7zK7BmvF47CEL9On4Nnz8gjFzlBg==","signature_status":"signed_v1","signed_at":"2026-07-05T01:33:41.881883Z","signed_message":"canonical_sha256_bytes"},"source_id":"2007.15014","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:06b832a28ddf5dedc28ea805886880842a1e2d0ee4d52940abd04a34e6743c08","sha256:1c48049aa2650eb362497ff7e0625f67653bf3a56618d7a53959d1bce04cc8c1"],"state_sha256":"d22fc9e41866cda23404b5957073a4f86273c92cd9c0204b67ffcc240cadbabe"}