{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:C37UBEHP475TCHCUP3UG3X4J25","short_pith_number":"pith:C37UBEHP","schema_version":"1.0","canonical_sha256":"16ff4090efe7fb311c547ee86ddf89d76bbdd773d11417320b18fa5791b4f8be","source":{"kind":"arxiv","id":"1204.2640","version":1},"attestation_state":"computed","paper":{"title":"A close halo of large transparent grains around extreme red giant stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"astro-ph.SR","authors_text":"Albert A. Zijlstra, Barnaby R. M. Norris, Foteini Lykou, Michael J. Ireland, Paul Stewart, Peter G. Tuthill, Sylvestre Lacour, Thomas M. Evans, Timothy R. Bedding","submitted_at":"2012-04-12T07:35:35Z","abstract_excerpt":"Intermediate-mass stars end their lives by ejecting the bulk of their envelope via a slow dense wind back into the interstellar medium, to form the next generation of stars and planets. Stellar pulsations are thought to elevate gas to an altitude cool enough for the condensation of dust, which is then accelerated by radiation pressure from starlight, entraining the gas and driving the wind. However accounting for the mass loss has been a problem due to the difficulty in observing tenuous gas and dust tens of milliarcseconds from the star, and there is accordingly no consensus on the way suffic"},"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":"1204.2640","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-04-12T07:35:35Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"2092c04c0def9eba9a8c1f568876514f14a27aa2482973922f4e12319bf583af","abstract_canon_sha256":"78eecee4fe72b9aee80a8a6ee984d6f3499a6311776a20fd56f68e24de2ed397"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:58:03.830875Z","signature_b64":"4++FvcFRJTERSjMhH7WDPDztG4oCsUX6P7mIeu1yk6z1RSsBCWnjEvA6fMzRV9UEFuNDZW4L6wK2vuLxtViVDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"16ff4090efe7fb311c547ee86ddf89d76bbdd773d11417320b18fa5791b4f8be","last_reissued_at":"2026-05-18T03:58:03.830338Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:58:03.830338Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A close halo of large transparent grains around extreme red giant stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"astro-ph.SR","authors_text":"Albert A. Zijlstra, Barnaby R. M. Norris, Foteini Lykou, Michael J. Ireland, Paul Stewart, Peter G. Tuthill, Sylvestre Lacour, Thomas M. Evans, Timothy R. Bedding","submitted_at":"2012-04-12T07:35:35Z","abstract_excerpt":"Intermediate-mass stars end their lives by ejecting the bulk of their envelope via a slow dense wind back into the interstellar medium, to form the next generation of stars and planets. Stellar pulsations are thought to elevate gas to an altitude cool enough for the condensation of dust, which is then accelerated by radiation pressure from starlight, entraining the gas and driving the wind. However accounting for the mass loss has been a problem due to the difficulty in observing tenuous gas and dust tens of milliarcseconds from the star, and there is accordingly no consensus on the way suffic"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.2640","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":"1204.2640","created_at":"2026-05-18T03:58:03.830413+00:00"},{"alias_kind":"arxiv_version","alias_value":"1204.2640v1","created_at":"2026-05-18T03:58:03.830413+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.2640","created_at":"2026-05-18T03:58:03.830413+00:00"},{"alias_kind":"pith_short_12","alias_value":"C37UBEHP475T","created_at":"2026-05-18T12:27:01.376967+00:00"},{"alias_kind":"pith_short_16","alias_value":"C37UBEHP475TCHCU","created_at":"2026-05-18T12:27:01.376967+00:00"},{"alias_kind":"pith_short_8","alias_value":"C37UBEHP","created_at":"2026-05-18T12:27:01.376967+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/C37UBEHP475TCHCUP3UG3X4J25","json":"https://pith.science/pith/C37UBEHP475TCHCUP3UG3X4J25.json","graph_json":"https://pith.science/api/pith-number/C37UBEHP475TCHCUP3UG3X4J25/graph.json","events_json":"https://pith.science/api/pith-number/C37UBEHP475TCHCUP3UG3X4J25/events.json","paper":"https://pith.science/paper/C37UBEHP"},"agent_actions":{"view_html":"https://pith.science/pith/C37UBEHP475TCHCUP3UG3X4J25","download_json":"https://pith.science/pith/C37UBEHP475TCHCUP3UG3X4J25.json","view_paper":"https://pith.science/paper/C37UBEHP","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1204.2640&json=true","fetch_graph":"https://pith.science/api/pith-number/C37UBEHP475TCHCUP3UG3X4J25/graph.json","fetch_events":"https://pith.science/api/pith-number/C37UBEHP475TCHCUP3UG3X4J25/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/C37UBEHP475TCHCUP3UG3X4J25/action/timestamp_anchor","attest_storage":"https://pith.science/pith/C37UBEHP475TCHCUP3UG3X4J25/action/storage_attestation","attest_author":"https://pith.science/pith/C37UBEHP475TCHCUP3UG3X4J25/action/author_attestation","sign_citation":"https://pith.science/pith/C37UBEHP475TCHCUP3UG3X4J25/action/citation_signature","submit_replication":"https://pith.science/pith/C37UBEHP475TCHCUP3UG3X4J25/action/replication_record"}},"created_at":"2026-05-18T03:58:03.830413+00:00","updated_at":"2026-05-18T03:58:03.830413+00:00"}