Pith Number

pith:7N4DO2YZ

pith:2000:7N4DO2YZJSBUR34YLTEXLT3LGS

not attested not anchored not stored refs pending

Thomson Thick X-ray Absorption in a Broad Absorption Line Quasar PG0946+301

B. M. Peterson, D. C. Hines, F. Hamann, I. Shlosman, J. Shields, K. Korista, M. Brotherton, M. Crenshaw, M. deKool, M. Elvis, M. Voit, N. Arav, P. J. Green, R. W. Goodrich, S. Mathur, V. Kashyap, W. van Breugel

arxiv:astro-ph/0002054 v1 · 2000-02-02 · 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{7N4DO2YZJSBUR34YLTEXLT3LGS}

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.

Receipt and verification

First computed	2026-05-18T01:07:46.901867Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb78376b194c8348ef985cc975cf6b34ac76b04134fbec82b1f6cb90ad3063e7

Aliases

arxiv: astro-ph/0002054 · arxiv_version: astro-ph/0002054v1 · doi: 10.48550/arxiv.astro-ph/0002054 · pith_short_12: 7N4DO2YZJSBU · pith_short_16: 7N4DO2YZJSBUR34Y · pith_short_8: 7N4DO2YZ

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/7N4DO2YZJSBUR34YLTEXLT3LGS \
  | 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: fb78376b194c8348ef985cc975cf6b34ac76b04134fbec82b1f6cb90ad3063e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f6392011db393b2cd62c46af7ddbad20b601d10c7f50e5ab952054f803606ce",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-02-02T16:20:38Z",
    "title_canon_sha256": "62fc7b9cd17714883f7dcb250a903146e45c12e8221e08b21e8aa3f098a47ed8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0002054",
    "kind": "arxiv",
    "version": 1
  }
}