{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:OKSBAJOCFSSTXWAP4BHKWAIKO6","short_pith_number":"pith:OKSBAJOC","schema_version":"1.0","canonical_sha256":"72a41025c22ca53bd80fe04eab010a7781e0a63fce0df604b474076348b10fa1","source":{"kind":"arxiv","id":"1810.01350","version":1},"attestation_state":"computed","paper":{"title":"The planetary nebula IC 5148 and its ionized halo","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"D. Barr\\'ia, D.S. Goldman, S. Kimeswenger, W. Kausch","submitted_at":"2018-10-02T16:18:22Z","abstract_excerpt":"Many round or nearly roundish Planetary Nebulae (PNe) show multiple shells and halo structures during their evolutionary stage near the maximum temperature of their central star. Controversial debate is currently ongoing if these structures are recombination halos, as suggested by hydrodynamic modelling efforts, or ionized material. Recently we discovered a halo with even somewhat unusual structures around the sparsely studied PN IC~5148 and present for the first time spectroscopy going out to the halo of such a PN.} resolution spectroscopy is used to derive dust chemistry and mineralogy. We i"},"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":"1810.01350","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-10-02T16:18:22Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"2c306a2498f890e1a165c0d85c80fb49991f23fe58f71d7772182cd6ad9a9aa6","abstract_canon_sha256":"594e3d2ccf12e38184422de7fc8ab63aaafd120c6c584bda096f58f632017b04"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:59:04.810517Z","signature_b64":"VnLHUt+SGHtdti1J2xl0gxAjhxtHAIX+qh0f7tMmW8It/1Awpn5gYRfingWo41mWgr14Tjlo5S6QxfKLlU+mDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"72a41025c22ca53bd80fe04eab010a7781e0a63fce0df604b474076348b10fa1","last_reissued_at":"2026-05-17T23:59:04.809997Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:59:04.809997Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The planetary nebula IC 5148 and its ionized halo","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"D. Barr\\'ia, D.S. Goldman, S. Kimeswenger, W. Kausch","submitted_at":"2018-10-02T16:18:22Z","abstract_excerpt":"Many round or nearly roundish Planetary Nebulae (PNe) show multiple shells and halo structures during their evolutionary stage near the maximum temperature of their central star. Controversial debate is currently ongoing if these structures are recombination halos, as suggested by hydrodynamic modelling efforts, or ionized material. Recently we discovered a halo with even somewhat unusual structures around the sparsely studied PN IC~5148 and present for the first time spectroscopy going out to the halo of such a PN.} resolution spectroscopy is used to derive dust chemistry and mineralogy. We i"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.01350","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":"1810.01350","created_at":"2026-05-17T23:59:04.810070+00:00"},{"alias_kind":"arxiv_version","alias_value":"1810.01350v1","created_at":"2026-05-17T23:59:04.810070+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.01350","created_at":"2026-05-17T23:59:04.810070+00:00"},{"alias_kind":"pith_short_12","alias_value":"OKSBAJOCFSST","created_at":"2026-05-18T12:32:43.782077+00:00"},{"alias_kind":"pith_short_16","alias_value":"OKSBAJOCFSSTXWAP","created_at":"2026-05-18T12:32:43.782077+00:00"},{"alias_kind":"pith_short_8","alias_value":"OKSBAJOC","created_at":"2026-05-18T12:32:43.782077+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/OKSBAJOCFSSTXWAP4BHKWAIKO6","json":"https://pith.science/pith/OKSBAJOCFSSTXWAP4BHKWAIKO6.json","graph_json":"https://pith.science/api/pith-number/OKSBAJOCFSSTXWAP4BHKWAIKO6/graph.json","events_json":"https://pith.science/api/pith-number/OKSBAJOCFSSTXWAP4BHKWAIKO6/events.json","paper":"https://pith.science/paper/OKSBAJOC"},"agent_actions":{"view_html":"https://pith.science/pith/OKSBAJOCFSSTXWAP4BHKWAIKO6","download_json":"https://pith.science/pith/OKSBAJOCFSSTXWAP4BHKWAIKO6.json","view_paper":"https://pith.science/paper/OKSBAJOC","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1810.01350&json=true","fetch_graph":"https://pith.science/api/pith-number/OKSBAJOCFSSTXWAP4BHKWAIKO6/graph.json","fetch_events":"https://pith.science/api/pith-number/OKSBAJOCFSSTXWAP4BHKWAIKO6/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/OKSBAJOCFSSTXWAP4BHKWAIKO6/action/timestamp_anchor","attest_storage":"https://pith.science/pith/OKSBAJOCFSSTXWAP4BHKWAIKO6/action/storage_attestation","attest_author":"https://pith.science/pith/OKSBAJOCFSSTXWAP4BHKWAIKO6/action/author_attestation","sign_citation":"https://pith.science/pith/OKSBAJOCFSSTXWAP4BHKWAIKO6/action/citation_signature","submit_replication":"https://pith.science/pith/OKSBAJOCFSSTXWAP4BHKWAIKO6/action/replication_record"}},"created_at":"2026-05-17T23:59:04.810070+00:00","updated_at":"2026-05-17T23:59:04.810070+00:00"}