Pith Number

pith:PXNOKA3G

pith:1998:PXNOKA3GK2JDWK6KRQYQECGAKV

not attested not anchored not stored refs pending

Intrinsic Absorption Lines in Seyfert 1 Galaxies. I. Ultraviolet Spectra from the Hubble Space Telescope

Albert Boggess, Chi-Chao Wu, D. Michael Crenshaw, Richard F. Mushotzky, Stephen P. Maran, Steven B. Kraemer

arxiv:astro-ph/9812265 v1 · 1998-12-14 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PXNOKA3GK2JDWK6KRQYQECGAKV}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Cited by

1 paper in Pith

Discovery of four Narrow-line Type-1 Quasars at z = 2.54 -- 6.06 with Subaru 'Onohi'ula PFS-SSP

Receipt and verification

First computed	2026-07-04T15:20:15.992919Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ddae5036656923b2bca8c310208c0557e6938b421f7ce9576d3080ab438aed4

Aliases

arxiv: astro-ph/9812265 · arxiv_version: astro-ph/9812265v1 · doi: 10.48550/arxiv.astro-ph/9812265 · pith_short_12: PXNOKA3GK2JD · pith_short_16: PXNOKA3GK2JDWK6K · pith_short_8: PXNOKA3G

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/PXNOKA3GK2JDWK6KRQYQECGAKV \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 7ddae5036656923b2bca8c310208c0557e6938b421f7ce9576d3080ab438aed4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83deaaa3159d3ebde562bf05efc97cd551154cdb0f0b329b1c75c030dfa46b02",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-12-14T14:56:16Z",
    "title_canon_sha256": "81a166046eda80aa4c2d34b546fced797d35b615a4d3b21e32c9371a4ac5ced6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9812265",
    "kind": "arxiv",
    "version": 1
  }
}