{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:Z7DLI56VLDTBVLXKFS3LHLK3WL","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":"254d70ec7e35ac347a363d5f87a2d578616d171be4239b5b39520c3b6317ca76","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2018-09-05T01:56:30Z","title_canon_sha256":"273ccbf1077027ed25663d67acc9b2b5fa4eeb0c22230b16c591542fe0a9c9cf"},"schema_version":"1.0","source":{"id":"1809.01294","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.01294","created_at":"2026-05-18T00:06:28Z"},{"alias_kind":"arxiv_version","alias_value":"1809.01294v1","created_at":"2026-05-18T00:06:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.01294","created_at":"2026-05-18T00:06:28Z"},{"alias_kind":"pith_short_12","alias_value":"Z7DLI56VLDTB","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_16","alias_value":"Z7DLI56VLDTBVLXK","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_8","alias_value":"Z7DLI56V","created_at":"2026-05-18T12:33:04Z"}],"graph_snapshots":[{"event_id":"sha256:fb0fe129200149871f86a89f9a52b2f19048468f9dbe917c1a0d66061f887902","target":"graph","created_at":"2026-05-18T00:06:28Z","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":"Over its more than thirty-year history, the Advanced Technologies and Instrumentation (ATI) program has provided grants to support technology development for ground-based astronomy. Research from this program has advanced adaptive optics, high resolution and multi-object spectroscopy, optical interferometry and synoptic surveys, to name just a few. Previous and ongoing scientific advances span the entire field of astronomy, from studies of the Sun to the distant universe. Through a combination of literature assessment and individual case studies, we present a survey of ATI funded research for ","authors_text":"James E. Neff, Peter Kurczynski","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2018-09-05T01:56:30Z","title":"Advanced Technologies and Instrumentation and the National Science Foundation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.01294","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:f2e226752b801dac6893a994f34e21e76e969c39a74610281bc1d5bd6baa14e5","target":"record","created_at":"2026-05-18T00:06:28Z","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":"254d70ec7e35ac347a363d5f87a2d578616d171be4239b5b39520c3b6317ca76","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2018-09-05T01:56:30Z","title_canon_sha256":"273ccbf1077027ed25663d67acc9b2b5fa4eeb0c22230b16c591542fe0a9c9cf"},"schema_version":"1.0","source":{"id":"1809.01294","kind":"arxiv","version":1}},"canonical_sha256":"cfc6b477d558e61aaeea2cb6b3ad5bb2e10a497557a2d3c03b7a7d085df94b54","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cfc6b477d558e61aaeea2cb6b3ad5bb2e10a497557a2d3c03b7a7d085df94b54","first_computed_at":"2026-05-18T00:06:28.111666Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:06:28.111666Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NvnJGeIV3TvGZPYN0PBppQmuTl6kKHldbirkCJfufTrdIKFWkRbXty/8k28IbM/Nme7al4YMdcN15VUQodnWDg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:06:28.112223Z","signed_message":"canonical_sha256_bytes"},"source_id":"1809.01294","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f2e226752b801dac6893a994f34e21e76e969c39a74610281bc1d5bd6baa14e5","sha256:fb0fe129200149871f86a89f9a52b2f19048468f9dbe917c1a0d66061f887902"],"state_sha256":"78b878a6344831c4849ab37fa7ae1c2083e0b420fa75423c84ece2422325bf69"}