{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:MFWP3A3KA4XOHLTHAUG3LPQIYH","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":"1bb584c92f2cc2a06b667aabd8a97e7f9815cf60f9cb4634dcf6e2ab02909a99","cross_cats_sorted":["astro-ph.GA"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-05-27T02:13:56Z","title_canon_sha256":"9b8ac0c97c498259c940b889027f838f15c4dad93ab0a4a646135e0d27baf215"},"schema_version":"1.0","source":{"id":"2205.13712","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2205.13712","created_at":"2026-07-05T04:41:42Z"},{"alias_kind":"arxiv_version","alias_value":"2205.13712v1","created_at":"2026-07-05T04:41:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2205.13712","created_at":"2026-07-05T04:41:42Z"},{"alias_kind":"pith_short_12","alias_value":"MFWP3A3KA4XO","created_at":"2026-07-05T04:41:42Z"},{"alias_kind":"pith_short_16","alias_value":"MFWP3A3KA4XOHLTH","created_at":"2026-07-05T04:41:42Z"},{"alias_kind":"pith_short_8","alias_value":"MFWP3A3K","created_at":"2026-07-05T04:41:42Z"}],"graph_snapshots":[{"event_id":"sha256:e42b1297fec5dbf6d7d7514b79d051149dbd32c31a862be457a54f7db87f0608","target":"graph","created_at":"2026-07-05T04:41:42Z","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/2205.13712/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We report new HI observations of the Type Ia supernova remnant SN 1006 using the Australia Telescope Compact Array with an angular resolution of $4.5' \\times 1.4'$ ($\\sim$2 pc at the assumed SNR distance of 2.2 kpc). We find an expanding gas motion in position-velocity diagrams of HI with an expansion velocity of $\\sim$4 km s$^{-1}$ and a mass of $\\sim$1000 $M_\\odot$. The spatial extent of the expanding shell is roughly the same as that of SN 1006. We here propose a hypothesis that SN 1006 exploded inside the wind-blown bubble formed by accretion winds from the progenitor system consisting of ","authors_text":"G. Rowell, H. Sano, H. Yamaguchi, K. Tachihara, M. Aruga, M. D. Filipovic, Y. Fukui","cross_cats":["astro-ph.GA"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-05-27T02:13:56Z","title":"An Expanding Shell of Neutral Hydrogen Associated with SN 1006: Hints for the Single-Degenerate Origin and Faint Hadronic Gamma-Rays"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2205.13712","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":"sha256:49f0b49be9f925839e9dfa4612f5f16add0867ae481c70800df8a2745cf12416","target":"record","created_at":"2026-07-05T04:41:42Z","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":"1bb584c92f2cc2a06b667aabd8a97e7f9815cf60f9cb4634dcf6e2ab02909a99","cross_cats_sorted":["astro-ph.GA"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-05-27T02:13:56Z","title_canon_sha256":"9b8ac0c97c498259c940b889027f838f15c4dad93ab0a4a646135e0d27baf215"},"schema_version":"1.0","source":{"id":"2205.13712","kind":"arxiv","version":1}},"canonical_sha256":"616cfd836a072ee3ae67050db5be08c1d775039336534f80e01913c68a352146","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"616cfd836a072ee3ae67050db5be08c1d775039336534f80e01913c68a352146","first_computed_at":"2026-07-05T04:41:42.387732Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:41:42.387732Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3+CNjd/Sj9cYtDtIQ7iunPHQA2hf2bJ0PPCmll2iJEKJutWABc04eHFnE1/eadhc5NA1Guz50Oq79tH9xraqBg==","signature_status":"signed_v1","signed_at":"2026-07-05T04:41:42.388125Z","signed_message":"canonical_sha256_bytes"},"source_id":"2205.13712","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:49f0b49be9f925839e9dfa4612f5f16add0867ae481c70800df8a2745cf12416","sha256:e42b1297fec5dbf6d7d7514b79d051149dbd32c31a862be457a54f7db87f0608"],"state_sha256":"ff4fa6347a84ed1cafeb533da45178749b221427d87e4ceb25d659ea7c8db949"}