Pith Number

pith:5JHZI2FJ

pith:2004:5JHZI2FJ26K5LRIFSJQCGDOUG3

not attested not anchored not stored refs pending

Elemental Abundances in Two High Column Density Damped Lyman Alpha Systems at z < 1.5

Arthur M. Wolfe, Jason X. Prochaska, J. Christopher Howk, Sandhya M. Rao

arxiv:astro-ph/0409695 v1 · 2004-09-28 · 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{5JHZI2FJ26K5LRIFSJQCGDOUG3}

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	2026-07-04T16:44:46.768512Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea4f9468a9d795d5c5059260230dd436fc0dbcf0ae50edac9a9d847ecac2dc16

Aliases

arxiv: astro-ph/0409695 · arxiv_version: astro-ph/0409695v1 · doi: 10.48550/arxiv.astro-ph/0409695 · pith_short_12: 5JHZI2FJ26K5 · pith_short_16: 5JHZI2FJ26K5LRIF · pith_short_8: 5JHZI2FJ

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/5JHZI2FJ26K5LRIFSJQCGDOUG3 \
  | 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: ea4f9468a9d795d5c5059260230dd436fc0dbcf0ae50edac9a9d847ecac2dc16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4029358cda148a04005fc35e4198cd6c3df741a4a5dfac05a35aa82400d6a74e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-09-28T19:53:04Z",
    "title_canon_sha256": "f3ae2bce7d875f1cdb3fac623e114bd8b54904da3e270bffabd2daed29622326"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0409695",
    "kind": "arxiv",
    "version": 1
  }
}