{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:BKUWV4HDLEYDXSXCF3FZKC4U3A","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":"0d52b5fd9a816607bdb9d238fe2363fb9119e1294fba66906a75cc55e2f732d7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-06-30T14:21:05Z","title_canon_sha256":"853f919aee3323d23cadae817f681f879ca4be2c6bdc3fc1f83447927b111493"},"schema_version":"1.0","source":{"id":"1407.0016","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1407.0016","created_at":"2026-05-18T01:42:43Z"},{"alias_kind":"arxiv_version","alias_value":"1407.0016v1","created_at":"2026-05-18T01:42:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.0016","created_at":"2026-05-18T01:42:43Z"},{"alias_kind":"pith_short_12","alias_value":"BKUWV4HDLEYD","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_16","alias_value":"BKUWV4HDLEYDXSXC","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_8","alias_value":"BKUWV4HD","created_at":"2026-05-18T12:28:22Z"}],"graph_snapshots":[{"event_id":"sha256:13dd2225d2d0bda51e766c9b5535b02dcdfd099d1d26019adcf35ed403bfac1c","target":"graph","created_at":"2026-05-18T01:42:43Z","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"},"paper":{"abstract_excerpt":"We present completed observations of the NGC 7448 galaxy group and background volume as part of the blind neutral hydrogen Arecibo Galaxy Environment Survey (AGES). Our observations cover a region spanning 5x4 degrees, over a redshift range of approximately -2,000 < cz < 20,000 km/s. A total of 334 objects are detected, mostly in three overdensities at cz $\\sim$7,500, cz $\\sim$9,600 and cz $\\sim$ 11,400 km/s. The galaxy density is extremely high (15 per square degree) and many ($\\sim$24%) show signs of extended HI emission, including some features as much as 800 kpc in projected length. We des","authors_text":"C. Vazquez, H. Herbst, J. I. Davies, R. F. Minchin, R. Rodriguez, R. Taylor","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-06-30T14:21:05Z","title":"The Arecibo Galaxy Environment Survey VII : A Dense Filament With Extremely Long HI Streams"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.0016","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":"sha256:18fbe41501ac460054a8eb977ca7bd92f03c73bff89af33cf1d0f2f4a1228680","target":"record","created_at":"2026-05-18T01:42:43Z","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":"0d52b5fd9a816607bdb9d238fe2363fb9119e1294fba66906a75cc55e2f732d7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-06-30T14:21:05Z","title_canon_sha256":"853f919aee3323d23cadae817f681f879ca4be2c6bdc3fc1f83447927b111493"},"schema_version":"1.0","source":{"id":"1407.0016","kind":"arxiv","version":1}},"canonical_sha256":"0aa96af0e359303bcae22ecb950b94d82e2490abe24652fd9f89921d68925a13","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0aa96af0e359303bcae22ecb950b94d82e2490abe24652fd9f89921d68925a13","first_computed_at":"2026-05-18T01:42:43.380420Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:42:43.380420Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LZDPvQsNqJcRDEThOI6qCWg/hNZwcayzO+YfavUpfoYgJjA641me3DLarD6OWGpK6qa+Vq5qoMvvyKSfoskIBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:42:43.380962Z","signed_message":"canonical_sha256_bytes"},"source_id":"1407.0016","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:18fbe41501ac460054a8eb977ca7bd92f03c73bff89af33cf1d0f2f4a1228680","sha256:13dd2225d2d0bda51e766c9b5535b02dcdfd099d1d26019adcf35ed403bfac1c"],"state_sha256":"af85fbaa6072140eaaed8079507c7e9a073154bf200eef34907aa012ab30ebcb"}