{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:Y5QGVTYL5PN6VCQIOJYIL6R55L","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":"337de0eeddeb563bd59f5c1ec2a4f8a1c80dcc7e31d9815b8f77666c6b7e3adc","cross_cats_sorted":["astro-ph.GA","astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-08-28T18:00:05Z","title_canon_sha256":"6fcae3190de698cdfcc6282ad3d980e6c3bc0610449a10263583714fa5067dcf"},"schema_version":"1.0","source":{"id":"1908.10875","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.10875","created_at":"2026-07-05T00:06:56Z"},{"alias_kind":"arxiv_version","alias_value":"1908.10875v1","created_at":"2026-07-05T00:06:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.10875","created_at":"2026-07-05T00:06:56Z"},{"alias_kind":"pith_short_12","alias_value":"Y5QGVTYL5PN6","created_at":"2026-07-05T00:06:56Z"},{"alias_kind":"pith_short_16","alias_value":"Y5QGVTYL5PN6VCQI","created_at":"2026-07-05T00:06:56Z"},{"alias_kind":"pith_short_8","alias_value":"Y5QGVTYL","created_at":"2026-07-05T00:06:56Z"}],"graph_snapshots":[{"event_id":"sha256:97fc9d818a23350f1a850c6b36de61376980be6b6696d1816bc7b7c9de843124","target":"graph","created_at":"2026-07-05T00:06:56Z","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/1908.10875/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The reverse shock in the ejecta of core-collapse supernovae is potentially able to destroy newly formed dust material. In order to determine dust survival rates, we have performed a set of hydrodynamic simulations using the grid-based code AstroBEAR in order to model a shock wave interacting with clumpy supernova ejecta. Dust motions and destruction rates were computed using our newly developed external, post-processing code Paperboats, which includes gas drag, grain charging, sputtering and grain-grain collisions. We have determined dust destruction rates for the oxygen-rich supernova remnant","authors_text":"Antonia Bevan, Erica L. Fogerty, Felix D. Priestley, Florian Kirchschlager, Franziska D. Schmidt, M. J. Barlow","cross_cats":["astro-ph.GA","astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-08-28T18:00:05Z","title":"Dust survival rates in clumps passing through the Cas A reverse shock I: results for a range of clump densities"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.10875","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":"sha256:974a04b395d3a557a1d9c48db9448dfddd702c5809adda9c68a6bb386ddc617b","target":"record","created_at":"2026-07-05T00:06:56Z","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":"337de0eeddeb563bd59f5c1ec2a4f8a1c80dcc7e31d9815b8f77666c6b7e3adc","cross_cats_sorted":["astro-ph.GA","astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-08-28T18:00:05Z","title_canon_sha256":"6fcae3190de698cdfcc6282ad3d980e6c3bc0610449a10263583714fa5067dcf"},"schema_version":"1.0","source":{"id":"1908.10875","kind":"arxiv","version":1}},"canonical_sha256":"c7606acf0bebdbea8a08727085fa3dead0fb3f99ca25327d74ab5802561a4bb2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c7606acf0bebdbea8a08727085fa3dead0fb3f99ca25327d74ab5802561a4bb2","first_computed_at":"2026-07-05T00:06:56.138530Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:06:56.138530Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZWdwQLeFqPzP12H7XFjxPzIKPBZSvjvgqHOCzqm96EVZrN/QTO610Yx4xyHYsJpiSiWESNiSpyEBj6o7fscJCA==","signature_status":"signed_v1","signed_at":"2026-07-05T00:06:56.139055Z","signed_message":"canonical_sha256_bytes"},"source_id":"1908.10875","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:974a04b395d3a557a1d9c48db9448dfddd702c5809adda9c68a6bb386ddc617b","sha256:97fc9d818a23350f1a850c6b36de61376980be6b6696d1816bc7b7c9de843124"],"state_sha256":"2b781dc4457ebc2569c6988358526cf17e6326401e67c36304e0a65fa218ad55"}