{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2000:TMG2DVDEND233VDLT2YN5G7ZYQ","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":"7fcc335ec085746ebaf2bf0dbc3abeabb3c5fdc774ab19b91fde1a8f56369280","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2000-10-03T23:59:36Z","title_canon_sha256":"ca7f8aa85fdabee4db6ccfa5a36899d933f325ef29bf768cdcbb48664c3ff93f"},"schema_version":"1.0","source":{"id":"astro-ph/0010077","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0010077","created_at":"2026-05-18T03:47:51Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0010077v1","created_at":"2026-05-18T03:47:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0010077","created_at":"2026-05-18T03:47:51Z"},{"alias_kind":"pith_short_12","alias_value":"TMG2DVDEND23","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_16","alias_value":"TMG2DVDEND233VDL","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_8","alias_value":"TMG2DVDE","created_at":"2026-05-18T12:25:50Z"}],"graph_snapshots":[{"event_id":"sha256:04579ae0645553818453804fd068878b4958399dee06987d7b6ab182b174558a","target":"graph","created_at":"2026-05-18T03:47:51Z","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":"We present near-infrared spectroscopy for a complete sample of 33 ultraluminous infrared galaxies at a resolution of R\\approx 1000. Most of the wavelength range from 1.80-2.20 microns in the rest frame is covered, including the Pa-alpha and Br-gamma hydrogen recombination lines, and the molecular hydrogen vibration-rotation 1-0 S(1) and S(3) lines. Other species, such as He I, [Fe II], and [Si VI] appear in the spectra as well, in addition to a number of weaker molecular hydrogen lines. Nuclear extractions for each of the individual galaxies are presented here, along with spectra of secondary ","authors_text":"B. T. Soifer, Jr., J. R. Kiger, K. Matthews, L. Armus, T. W. Murphy","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2000-10-03T23:59:36Z","title":"K band Spectroscopy of Ultraluminous Infrared Galaxies: The 2 Jy Sample"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0010077","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:b2143b82c359d88c5bc8b417bac1b3908c1f0ac394528dd7cb8b4b3428298426","target":"record","created_at":"2026-05-18T03:47:51Z","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":"7fcc335ec085746ebaf2bf0dbc3abeabb3c5fdc774ab19b91fde1a8f56369280","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2000-10-03T23:59:36Z","title_canon_sha256":"ca7f8aa85fdabee4db6ccfa5a36899d933f325ef29bf768cdcbb48664c3ff93f"},"schema_version":"1.0","source":{"id":"astro-ph/0010077","kind":"arxiv","version":1}},"canonical_sha256":"9b0da1d46468f5bdd46b9eb0de9bf9c43f63f3a8c25856c0e28e245faf0fffd3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9b0da1d46468f5bdd46b9eb0de9bf9c43f63f3a8c25856c0e28e245faf0fffd3","first_computed_at":"2026-05-18T03:47:51.832756Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:47:51.832756Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sHNC/vyaJvujVPX+RM7EN8Tl4suaKtSB8vLufokWUaIPOhDyn7N7G1alCvI/Yo4pnqhnC6iDrVrQ7iGNHpRBBA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:47:51.833395Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0010077","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b2143b82c359d88c5bc8b417bac1b3908c1f0ac394528dd7cb8b4b3428298426","sha256:04579ae0645553818453804fd068878b4958399dee06987d7b6ab182b174558a"],"state_sha256":"237090c96606a706ab7d11cd2cd78c4e72a21ed438b641004605cea2fdc8a382"}