{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:TFMJHO4YBFYAIZCPTNBYH7Z5MP","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":"ce8a8cf27569fed92584173171fd7f8735d3ddd053d4a24637ccbba1fe023708","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"astro-ph.IM","submitted_at":"2009-10-04T19:18:36Z","title_canon_sha256":"f2f0f321b096eef8015738833e1a92c9f947c3caef853f82991b59d3f6e26593"},"schema_version":"1.0","source":{"id":"0910.0632","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0910.0632","created_at":"2026-07-04T15:53:38Z"},{"alias_kind":"arxiv_version","alias_value":"0910.0632v1","created_at":"2026-07-04T15:53:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0910.0632","created_at":"2026-07-04T15:53:38Z"},{"alias_kind":"pith_short_12","alias_value":"TFMJHO4YBFYA","created_at":"2026-07-04T15:53:38Z"},{"alias_kind":"pith_short_16","alias_value":"TFMJHO4YBFYAIZCP","created_at":"2026-07-04T15:53:38Z"},{"alias_kind":"pith_short_8","alias_value":"TFMJHO4Y","created_at":"2026-07-04T15:53:38Z"}],"graph_snapshots":[{"event_id":"sha256:5dbb753b1445f4389974962122933d42872c02cc4f99c38fddeeafdd93f84ed9","target":"graph","created_at":"2026-07-04T15:53:38Z","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/0910.0632/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The Square Kilometre Array (SKA) is intended as the next-generation radio telescope and will address fundamental questions in astrophysics, physics, and astrobiology. The international science community has developed a set of Key Science Programs:\n  (1) Emerging from the Dark Ages and the Epoch of Reionization,\n  (2) Galaxy Evolution, Cosmology, and Dark Energy,\n  (3) The Origin and Evolution of Cosmic Magnetism,\n  (4) Strong Field Tests of Gravity Using Pulsars and Black Holes, and\n  (5) The Cradle of Life/Astrobiology.\n  In addition, there is a design philosophy of \"exploration of the unknow","authors_text":"Joseph Lazio","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"astro-ph.IM","submitted_at":"2009-10-04T19:18:36Z","title":"The Square Kilometre Array"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.0632","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:f71612dc3a6d33661b3741e2f1cf770d11ab827fe0df1f2c10bb5192958ce24f","target":"record","created_at":"2026-07-04T15:53:38Z","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":"ce8a8cf27569fed92584173171fd7f8735d3ddd053d4a24637ccbba1fe023708","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"astro-ph.IM","submitted_at":"2009-10-04T19:18:36Z","title_canon_sha256":"f2f0f321b096eef8015738833e1a92c9f947c3caef853f82991b59d3f6e26593"},"schema_version":"1.0","source":{"id":"0910.0632","kind":"arxiv","version":1}},"canonical_sha256":"995893bb98097004644f9b4383ff3d63dbb62d1a964e74049a786321c57b4c16","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"995893bb98097004644f9b4383ff3d63dbb62d1a964e74049a786321c57b4c16","first_computed_at":"2026-07-04T15:53:38.938052Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:53:38.938052Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/YOHsZxbebHJAg3+4oAxxlVrivoHCH0mJr7U8dIV3TBhh1k7VsmhbDLR1tqhAC6a6ixAF196n/50yXcxB/5WAg==","signature_status":"signed_v1","signed_at":"2026-07-04T15:53:38.938422Z","signed_message":"canonical_sha256_bytes"},"source_id":"0910.0632","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f71612dc3a6d33661b3741e2f1cf770d11ab827fe0df1f2c10bb5192958ce24f","sha256:5dbb753b1445f4389974962122933d42872c02cc4f99c38fddeeafdd93f84ed9"],"state_sha256":"c900520067ef3bf3b79870c739e170f8e3703d0286f67c35ab5ab9ad9c9e8c83"}