{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:MXCM3KDCVEWZPOXNVGNF3PD23F","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":"cd2577f9c29bbcadb82ec5da5fb8e7e8458c661d1826b6091e0b600da63ce833","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-11-05T19:00:05Z","title_canon_sha256":"e41b133e42033b98364da2f46947cb2a4a92ade5ff0786478025827a22786784"},"schema_version":"1.0","source":{"id":"2011.03052","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2011.03052","created_at":"2026-07-05T02:07:50Z"},{"alias_kind":"arxiv_version","alias_value":"2011.03052v2","created_at":"2026-07-05T02:07:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2011.03052","created_at":"2026-07-05T02:07:50Z"},{"alias_kind":"pith_short_12","alias_value":"MXCM3KDCVEWZ","created_at":"2026-07-05T02:07:50Z"},{"alias_kind":"pith_short_16","alias_value":"MXCM3KDCVEWZPOXN","created_at":"2026-07-05T02:07:50Z"},{"alias_kind":"pith_short_8","alias_value":"MXCM3KDC","created_at":"2026-07-05T02:07:50Z"}],"graph_snapshots":[{"event_id":"sha256:eb7bb6b226af4ca749b6b169a743949fc08809d9290ad053f05a33a618ad3b4c","target":"graph","created_at":"2026-07-05T02:07:50Z","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/2011.03052/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We used existing data from the New Horizons LORRI camera to measure the optical-band ($0.4\\lesssim\\lambda\\lesssim0.9{\\rm\\mu m}$) sky brightness within seven high galactic latitude fields. The average raw level measured while New Horizons was 42 to 45 AU from the Sun is $33.2\\pm0.5{\\rm ~nW ~m^{-2} ~sr^{-1}}.$ This is $\\sim10\\times$ darker than the darkest sky accessible to the {\\it Hubble Space Telescope}, highlighting the utility of New Horizons for detecting the cosmic optical background (COB). Isolating the COB contribution to the raw total requires subtracting scattered light from bright st","authors_text":"Andrew F. Cheng, Anne. J. Verbiscer, A. R. Poppe, Bonnie J. Buratti, Carey M. Lisse, Catherine B. Olkin, Daniel D. Durda, Daniel T. Britt, Dennis C. Reuter, Harold A. Weaver, Ivan R. Linscott, Jeffrey M. Moore, J. I. Nu\\~nez, Joel W. Parker, John R. Spencer, Kelsi N. Singer, Leslie A. Young, Marc Postman, Marc W. Buie, Mark R. Showalter, Mihaly Horanyi J.J. Kavelaars, Paul Schenk, Richard P. Binzel, S. Alan Stern, Simon B. Porter, Stuart J. Robbins, Tod R. Lauer, William B. McKinnon, W.M. Grundy","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-11-05T19:00:05Z","title":"New Horizons Observations of the Cosmic Optical Background"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2011.03052","kind":"arxiv","version":2},"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":"sha256:59e19d88aacef0f20fedd5129e06cf55c5ccdb666531fee6fa2d5709e1979344","target":"record","created_at":"2026-07-05T02:07:50Z","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":"cd2577f9c29bbcadb82ec5da5fb8e7e8458c661d1826b6091e0b600da63ce833","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-11-05T19:00:05Z","title_canon_sha256":"e41b133e42033b98364da2f46947cb2a4a92ade5ff0786478025827a22786784"},"schema_version":"1.0","source":{"id":"2011.03052","kind":"arxiv","version":2}},"canonical_sha256":"65c4cda862a92d97baeda99a5dbc7ad94ea696f4453869b4dc67ec911541b389","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"65c4cda862a92d97baeda99a5dbc7ad94ea696f4453869b4dc67ec911541b389","first_computed_at":"2026-07-05T02:07:50.943426Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:07:50.943426Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NaGGwtp70dJq12p9OEa5H6m46H21A4bbap2PkMdHZ9itQIgLFH6VRInpokswvaqOCaCVFdHtwMhGt+4V1i8xBA==","signature_status":"signed_v1","signed_at":"2026-07-05T02:07:50.943889Z","signed_message":"canonical_sha256_bytes"},"source_id":"2011.03052","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:59e19d88aacef0f20fedd5129e06cf55c5ccdb666531fee6fa2d5709e1979344","sha256:eb7bb6b226af4ca749b6b169a743949fc08809d9290ad053f05a33a618ad3b4c"],"state_sha256":"8e0a7821dd87a516d87f06bc15bd2b4812fafc18bc15530ec24fb221ab577da3"}