{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:NYZVJXTIVR74O3VPASHZCVV5SV","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":"768af8d3eaf3e969ce595879194020e861eb5eaa6514c18db9699e45c8aa3b21","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2019-11-05T13:59:42Z","title_canon_sha256":"0dbc982f64b0f19ef42ce7ad74b61a83d78ae5c70c01a0092e206e3e6fda7bb5"},"schema_version":"1.0","source":{"id":"1911.01777","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1911.01777","created_at":"2026-07-05T01:04:06Z"},{"alias_kind":"arxiv_version","alias_value":"1911.01777v1","created_at":"2026-07-05T01:04:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1911.01777","created_at":"2026-07-05T01:04:06Z"},{"alias_kind":"pith_short_12","alias_value":"NYZVJXTIVR74","created_at":"2026-07-05T01:04:06Z"},{"alias_kind":"pith_short_16","alias_value":"NYZVJXTIVR74O3VP","created_at":"2026-07-05T01:04:06Z"},{"alias_kind":"pith_short_8","alias_value":"NYZVJXTI","created_at":"2026-07-05T01:04:06Z"}],"graph_snapshots":[{"event_id":"sha256:828a2eedc7292a884269ec08081e68467d13d2c869c11c45bc3b188cb56116c4","target":"graph","created_at":"2026-07-05T01:04:06Z","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/1911.01777/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The Canadian Hydrogen Observatory and Radio-transient Detector (CHORD) is a next-generation radio telescope, proposed for construction to start immediately. CHORD is a pan-Canadian project, designed to work with and build on the success of the Canadian Hydrogen Intensity Mapping Experiment (CHIME). It is an ultra-wideband, \"large-N, small-D\" telescope, consisting of a central array of 512x6-m dishes, supported by a pair of distant outrigger stations, each equipped with CHIME-like cylinders and a 64-dish array. CHORD will measure the distribution of matter over a huge swath of the Universe, det","authors_text":"A. Liu, B. Gaensler, C. Ng, G. Hinshaw, H. C. Chiang, I. Stairs, J. Brown, J. Mena-Parra, J. Sievers, K. Bandura, K. Masui, K. Smith, K. Spekkens, K. Vanderlinde, L. Belostotski, M. Dobbs, M. Rupen, N. Turok, P. Boyle, R. Bond, T. Landecker, U. Pen, V. Kaspi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2019-11-05T13:59:42Z","title":"LRP 2020 Whitepaper: The Canadian Hydrogen Observatory and Radio-transient Detector (CHORD)"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1911.01777","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":"sha256:246c0d577c1c99f627dd2e5b17677a507b4470a3f25b2a80b4dac3e3e61276cb","target":"record","created_at":"2026-07-05T01:04:06Z","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":"768af8d3eaf3e969ce595879194020e861eb5eaa6514c18db9699e45c8aa3b21","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2019-11-05T13:59:42Z","title_canon_sha256":"0dbc982f64b0f19ef42ce7ad74b61a83d78ae5c70c01a0092e206e3e6fda7bb5"},"schema_version":"1.0","source":{"id":"1911.01777","kind":"arxiv","version":1}},"canonical_sha256":"6e3354de68ac7fc76eaf048f9156bd955b497a71ab423daf483971eb13caa0b3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6e3354de68ac7fc76eaf048f9156bd955b497a71ab423daf483971eb13caa0b3","first_computed_at":"2026-07-05T01:04:06.253756Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:04:06.253756Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xqAOjK20Z3M6Fps5NMf7HD0HcyXDMEovs1mLbezgqUEqijGcrNMl0bEK6QgdtwZjOMuK7ECYSf59SNwrQRCUCA==","signature_status":"signed_v1","signed_at":"2026-07-05T01:04:06.254212Z","signed_message":"canonical_sha256_bytes"},"source_id":"1911.01777","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:246c0d577c1c99f627dd2e5b17677a507b4470a3f25b2a80b4dac3e3e61276cb","sha256:828a2eedc7292a884269ec08081e68467d13d2c869c11c45bc3b188cb56116c4"],"state_sha256":"52f7ece0c5c4a91a16ed087ff686f2368c662cdcacf04c95c3c496d43542b74c"}