{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:DIRWGD3RPTZ7WI3225EHTOKTW6","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":"4616d33a4741ca436b67f13ef91f30d59812f01c29d0b8ad413ee5d8b56f53d3","cross_cats_sorted":["astro-ph.SR","physics.geo-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2024-01-16T19:00:05Z","title_canon_sha256":"9c14b9f39465b8b31dd0665ea7f3b747b6061f16fef3e3267c173d7a9a7018d3"},"schema_version":"1.0","source":{"id":"2401.08767","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2401.08767","created_at":"2026-07-05T08:11:22Z"},{"alias_kind":"arxiv_version","alias_value":"2401.08767v2","created_at":"2026-07-05T08:11:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2401.08767","created_at":"2026-07-05T08:11:22Z"},{"alias_kind":"pith_short_12","alias_value":"DIRWGD3RPTZ7","created_at":"2026-07-05T08:11:22Z"},{"alias_kind":"pith_short_16","alias_value":"DIRWGD3RPTZ7WI32","created_at":"2026-07-05T08:11:22Z"},{"alias_kind":"pith_short_8","alias_value":"DIRWGD3R","created_at":"2026-07-05T08:11:22Z"}],"graph_snapshots":[{"event_id":"sha256:db4c0015aeefb83327af41ced13fd987074d24700e1cff500ba703771716c416","target":"graph","created_at":"2026-07-05T08:11:22Z","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/2401.08767/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Understanding stellar evolution and its effect on planetary systems is crucial for correctly interpreting the chemical constraints of exo-planetary material that can be given to us by white dwarfs. This article will describe how asteroids, moons, and comets, as well as boulders, pebbles and dust, evolve into eventual targets for chemical spectroscopy, and how planets and companion stars play a vital role in reshaping system architectures for this purpose.","authors_text":"Alexander J. Mustill, Amy Bonsor, Dimitri Veras","cross_cats":["astro-ph.SR","physics.geo-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2024-01-16T19:00:05Z","title":"The evolution and delivery of rocky extra-solar materials to white dwarfs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2401.08767","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:db200d6456f02e444a3f3b00cbc0cfb11778574eba860cbaff1399bd0f31b967","target":"record","created_at":"2026-07-05T08:11:22Z","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":"4616d33a4741ca436b67f13ef91f30d59812f01c29d0b8ad413ee5d8b56f53d3","cross_cats_sorted":["astro-ph.SR","physics.geo-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2024-01-16T19:00:05Z","title_canon_sha256":"9c14b9f39465b8b31dd0665ea7f3b747b6061f16fef3e3267c173d7a9a7018d3"},"schema_version":"1.0","source":{"id":"2401.08767","kind":"arxiv","version":2}},"canonical_sha256":"1a23630f717cf3fb237ad74879b953b79af1fadf1c4ed0fc01737d81567a6bfa","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1a23630f717cf3fb237ad74879b953b79af1fadf1c4ed0fc01737d81567a6bfa","first_computed_at":"2026-07-05T08:11:22.962672Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:11:22.962672Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"oQvTG6w4HR7b4425RxmYU8tFjXfOjuiYirnfKtq0AUkMo79+AZbVaM9sqMUYyU6AO7ulBrmVegUGelsbWM/XBg==","signature_status":"signed_v1","signed_at":"2026-07-05T08:11:22.963043Z","signed_message":"canonical_sha256_bytes"},"source_id":"2401.08767","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:db200d6456f02e444a3f3b00cbc0cfb11778574eba860cbaff1399bd0f31b967","sha256:db4c0015aeefb83327af41ced13fd987074d24700e1cff500ba703771716c416"],"state_sha256":"096fac497245ef135bcf23cf5520819a719e22c7dbc46b0a929e962645172ee4"}