{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:EY7DBDXOGBKW4ENKU5C5TOR6LO","short_pith_number":"pith:EY7DBDXO","schema_version":"1.0","canonical_sha256":"263e308eee30556e11aaa745d9ba3e5b8167b9eb6f5b8faec9b1daae997ed709","source":{"kind":"arxiv","id":"1107.2566","version":1},"attestation_state":"computed","paper":{"title":"Extragalactic Background Light and Gamma-Ray Attenuation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.CO","authors_text":"Alberto Dominguez, Joel R. Primack, Rachel S. Somerville, Rudy C. Gilmore","submitted_at":"2011-07-13T14:57:14Z","abstract_excerpt":"Data from (non-) attenuation of gamma rays from active galactic nuclei (AGN) and gamma ray bursts (GRBs) give upper limits on the extragalactic background light (EBL) from the UV to the mid-IR that are only a little above the lower limits from observed galaxies. These upper limits now rule out some EBL models and purported observations, with improved data likely to provide even stronger constraints. We present EBL calculations both based on multiwavelength observations of thousands of galaxies and also based on semi-analytic models, and show that they are consistent with these lower limits fro"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1107.2566","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-07-13T14:57:14Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"9d5d7ec130f376f847102c240e32ea839ccd54b2760d86702dae5a206e1400c9","abstract_canon_sha256":"45c1cd8845d96cf8ff3631ece40397d12ceea18ccf2d9d29c5b21378a21850ae"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:01:19.054555Z","signature_b64":"urrqLqAfN4xLowM34LCs0pPvUovg78kJL2VqOikMA5P3tQ+IfXoiMWK6TeaGHO5b1XXMjnOJnAx0Hgcs0miyCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"263e308eee30556e11aaa745d9ba3e5b8167b9eb6f5b8faec9b1daae997ed709","last_reissued_at":"2026-05-18T02:01:19.053964Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:01:19.053964Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Extragalactic Background Light and Gamma-Ray Attenuation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.CO","authors_text":"Alberto Dominguez, Joel R. Primack, Rachel S. Somerville, Rudy C. Gilmore","submitted_at":"2011-07-13T14:57:14Z","abstract_excerpt":"Data from (non-) attenuation of gamma rays from active galactic nuclei (AGN) and gamma ray bursts (GRBs) give upper limits on the extragalactic background light (EBL) from the UV to the mid-IR that are only a little above the lower limits from observed galaxies. These upper limits now rule out some EBL models and purported observations, with improved data likely to provide even stronger constraints. We present EBL calculations both based on multiwavelength observations of thousands of galaxies and also based on semi-analytic models, and show that they are consistent with these lower limits fro"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1107.2566","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1107.2566","created_at":"2026-05-18T02:01:19.054039+00:00"},{"alias_kind":"arxiv_version","alias_value":"1107.2566v1","created_at":"2026-05-18T02:01:19.054039+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1107.2566","created_at":"2026-05-18T02:01:19.054039+00:00"},{"alias_kind":"pith_short_12","alias_value":"EY7DBDXOGBKW","created_at":"2026-05-18T12:26:28.662955+00:00"},{"alias_kind":"pith_short_16","alias_value":"EY7DBDXOGBKW4ENK","created_at":"2026-05-18T12:26:28.662955+00:00"},{"alias_kind":"pith_short_8","alias_value":"EY7DBDXO","created_at":"2026-05-18T12:26:28.662955+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/EY7DBDXOGBKW4ENKU5C5TOR6LO","json":"https://pith.science/pith/EY7DBDXOGBKW4ENKU5C5TOR6LO.json","graph_json":"https://pith.science/api/pith-number/EY7DBDXOGBKW4ENKU5C5TOR6LO/graph.json","events_json":"https://pith.science/api/pith-number/EY7DBDXOGBKW4ENKU5C5TOR6LO/events.json","paper":"https://pith.science/paper/EY7DBDXO"},"agent_actions":{"view_html":"https://pith.science/pith/EY7DBDXOGBKW4ENKU5C5TOR6LO","download_json":"https://pith.science/pith/EY7DBDXOGBKW4ENKU5C5TOR6LO.json","view_paper":"https://pith.science/paper/EY7DBDXO","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1107.2566&json=true","fetch_graph":"https://pith.science/api/pith-number/EY7DBDXOGBKW4ENKU5C5TOR6LO/graph.json","fetch_events":"https://pith.science/api/pith-number/EY7DBDXOGBKW4ENKU5C5TOR6LO/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/EY7DBDXOGBKW4ENKU5C5TOR6LO/action/timestamp_anchor","attest_storage":"https://pith.science/pith/EY7DBDXOGBKW4ENKU5C5TOR6LO/action/storage_attestation","attest_author":"https://pith.science/pith/EY7DBDXOGBKW4ENKU5C5TOR6LO/action/author_attestation","sign_citation":"https://pith.science/pith/EY7DBDXOGBKW4ENKU5C5TOR6LO/action/citation_signature","submit_replication":"https://pith.science/pith/EY7DBDXOGBKW4ENKU5C5TOR6LO/action/replication_record"}},"created_at":"2026-05-18T02:01:19.054039+00:00","updated_at":"2026-05-18T02:01:19.054039+00:00"}