{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2000:7WPP35XJLXRLMRSKCKJYIXMTXB","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":"f6436aee1852ee2ed2fe1564d4709e8d179889da24d0a0692a2eeb00323e79aa","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2000-01-12T03:34:02Z","title_canon_sha256":"67b22602164c786a95b837947e2dfc469968657e61e9e97d8ed54c8ce9400ab9"},"schema_version":"1.0","source":{"id":"astro-ph/0001200","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0001200","created_at":"2026-07-04T16:15:54Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0001200v1","created_at":"2026-07-04T16:15:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0001200","created_at":"2026-07-04T16:15:54Z"},{"alias_kind":"pith_short_12","alias_value":"7WPP35XJLXRL","created_at":"2026-07-04T16:15:54Z"},{"alias_kind":"pith_short_16","alias_value":"7WPP35XJLXRLMRSK","created_at":"2026-07-04T16:15:54Z"},{"alias_kind":"pith_short_8","alias_value":"7WPP35XJ","created_at":"2026-07-04T16:15:54Z"}],"graph_snapshots":[{"event_id":"sha256:a7a1efa72462220e01088d8b07783051ee943c32cfa18b28cd07cb0342681378","target":"graph","created_at":"2026-07-04T16:15:54Z","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/astro-ph/0001200/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present Keck high-resolution near-IR (2.2 microns; FWHM~0.15\") and mid-IR (12.5 microns; FWHM~0.4\") images of APM08279+5255, a z=3.91 IR-luminous BALQSO with a prodigious apparent bolometric luminosity of 5x10^{15} Lsun, the largest known in the universe. The K-band image shows that this system consists of three components, all of which are likely to be the gravitationally lensed images of the same background object, and the 12.5 micron image shows a morphology consistent with such an image configuration. Our lens model suggests that the magnification factor is ~100 from the restframe UV to","authors_text":"B. T. Soifer, D. A. Dale (IPAC/Caltech), E. E. Becklin (UCLA), E. Egami, G. Neugebauer, K. Matthews (Caltech), M. Ressler (JPL), T. W. Murphy Jr. (Caltech)","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2000-01-12T03:34:02Z","title":"APM 08279+5255: Keck Near- and Mid-IR High-Resolution Imaging"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0001200","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":"sha256:54eaef1a549735e2be21e9fb728b00f0f6aae2cfb657b8c692773fbb84de36e4","target":"record","created_at":"2026-07-04T16:15:54Z","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":"f6436aee1852ee2ed2fe1564d4709e8d179889da24d0a0692a2eeb00323e79aa","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2000-01-12T03:34:02Z","title_canon_sha256":"67b22602164c786a95b837947e2dfc469968657e61e9e97d8ed54c8ce9400ab9"},"schema_version":"1.0","source":{"id":"astro-ph/0001200","kind":"arxiv","version":1}},"canonical_sha256":"fd9efdf6e95de2b6464a1293845d93b85190577a792d149823c373c45877b7fb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fd9efdf6e95de2b6464a1293845d93b85190577a792d149823c373c45877b7fb","first_computed_at":"2026-07-04T16:15:54.620699Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:15:54.620699Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cXT3TZAR34+gMbd/9rurGZ1vAta74zeAy+mjnLCVsCIegSBEb5U/wAGoD6nJQJSKjJXIr/eSIGRceFpEfDSbBQ==","signature_status":"signed_v1","signed_at":"2026-07-04T16:15:54.621156Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0001200","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:54eaef1a549735e2be21e9fb728b00f0f6aae2cfb657b8c692773fbb84de36e4","sha256:a7a1efa72462220e01088d8b07783051ee943c32cfa18b28cd07cb0342681378"],"state_sha256":"daa902f77fcd80c55e266a1b43620d32303319fb1312b913446cf6358cbc6152"}