{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2003:6MVD4PWKNBFEV6FCTNHLEL3AXV","short_pith_number":"pith:6MVD4PWK","schema_version":"1.0","canonical_sha256":"f32a3e3eca684a4af8a29b4eb22f60bd4afc4e51d29251902af274e6fcbbb577","source":{"kind":"arxiv","id":"astro-ph/0305355","version":1},"attestation_state":"computed","paper":{"title":"The post-AGB evolution of AGB mass loss variations","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"1) ((1) Sterrewacht Leiden, (2) Astrophysikalisches Institut Potsdam), Garrelt Mellema (1), Rowin Meijerink (1), Yvonne Simis (2","submitted_at":"2003-05-20T10:27:03Z","abstract_excerpt":"We present new numerical hydrodynamical modelling of the evolution of Asymptotic Giant Branch (AGB) mass loss fluctuations during the post-AGB/Planetary Nebula phase. These models show that after ionization, the observable effects of the mass loss fluctuations disappear in a few thousand years, consistent with the fact that only few PNe have been found to be surrounded by `rings'. We derive the observational characteristics of these rings, and compare them to reported observations of the rings around NGC 6543, finding a good match of emission properties and line shapes. We predict small variat"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"astro-ph/0305355","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-05-20T10:27:03Z","cross_cats_sorted":[],"title_canon_sha256":"1828a91fdc4fecde7856b5662f104fd62b231bf5611f29312eeabeddedaf937e","abstract_canon_sha256":"01392d5cc0219974c4ca329ac53899184d596b69ba889b22602850a730a90bc0"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:21:41.487117Z","signature_b64":"W5RGigEmQWDKEF2x7LGYID4pIExaXlp+RdPiVLrLAOa9+n1K+odrcvgBLp2d9CoJRF09AIGygoIzW4za9WD4Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f32a3e3eca684a4af8a29b4eb22f60bd4afc4e51d29251902af274e6fcbbb577","last_reissued_at":"2026-05-18T04:21:41.486672Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:21:41.486672Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The post-AGB evolution of AGB mass loss variations","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"1) ((1) Sterrewacht Leiden, (2) Astrophysikalisches Institut Potsdam), Garrelt Mellema (1), Rowin Meijerink (1), Yvonne Simis (2","submitted_at":"2003-05-20T10:27:03Z","abstract_excerpt":"We present new numerical hydrodynamical modelling of the evolution of Asymptotic Giant Branch (AGB) mass loss fluctuations during the post-AGB/Planetary Nebula phase. These models show that after ionization, the observable effects of the mass loss fluctuations disappear in a few thousand years, consistent with the fact that only few PNe have been found to be surrounded by `rings'. We derive the observational characteristics of these rings, and compare them to reported observations of the rings around NGC 6543, finding a good match of emission properties and line shapes. We predict small variat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0305355","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0305355","created_at":"2026-05-18T04:21:41.486735+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0305355v1","created_at":"2026-05-18T04:21:41.486735+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0305355","created_at":"2026-05-18T04:21:41.486735+00:00"},{"alias_kind":"pith_short_12","alias_value":"6MVD4PWKNBFE","created_at":"2026-05-18T12:25:51.375804+00:00"},{"alias_kind":"pith_short_16","alias_value":"6MVD4PWKNBFEV6FC","created_at":"2026-05-18T12:25:51.375804+00:00"},{"alias_kind":"pith_short_8","alias_value":"6MVD4PWK","created_at":"2026-05-18T12:25:51.375804+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/6MVD4PWKNBFEV6FCTNHLEL3AXV","json":"https://pith.science/pith/6MVD4PWKNBFEV6FCTNHLEL3AXV.json","graph_json":"https://pith.science/api/pith-number/6MVD4PWKNBFEV6FCTNHLEL3AXV/graph.json","events_json":"https://pith.science/api/pith-number/6MVD4PWKNBFEV6FCTNHLEL3AXV/events.json","paper":"https://pith.science/paper/6MVD4PWK"},"agent_actions":{"view_html":"https://pith.science/pith/6MVD4PWKNBFEV6FCTNHLEL3AXV","download_json":"https://pith.science/pith/6MVD4PWKNBFEV6FCTNHLEL3AXV.json","view_paper":"https://pith.science/paper/6MVD4PWK","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/0305355&json=true","fetch_graph":"https://pith.science/api/pith-number/6MVD4PWKNBFEV6FCTNHLEL3AXV/graph.json","fetch_events":"https://pith.science/api/pith-number/6MVD4PWKNBFEV6FCTNHLEL3AXV/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/6MVD4PWKNBFEV6FCTNHLEL3AXV/action/timestamp_anchor","attest_storage":"https://pith.science/pith/6MVD4PWKNBFEV6FCTNHLEL3AXV/action/storage_attestation","attest_author":"https://pith.science/pith/6MVD4PWKNBFEV6FCTNHLEL3AXV/action/author_attestation","sign_citation":"https://pith.science/pith/6MVD4PWKNBFEV6FCTNHLEL3AXV/action/citation_signature","submit_replication":"https://pith.science/pith/6MVD4PWKNBFEV6FCTNHLEL3AXV/action/replication_record"}},"created_at":"2026-05-18T04:21:41.486735+00:00","updated_at":"2026-05-18T04:21:41.486735+00:00"}