Pith Number

pith:WEWPZK33

pith:2006:WEWPZK33QYESU2DO7MVPLJNDCG

not attested not anchored not stored refs pending

Elemental Abundance Measurements in Low-redshift Damped Lyman Alpha Absorbers

Arlin P.S. Crotts, Donald G. York, James T. Lauroesch, Jill Bechtold, Joseph D. Meiring, Jun Cui, Osamu Nakamura, Pushpa Khare, Varsha P. Kulkarni

arxiv:astro-ph/0604617 v2 · 2006-04-28 · 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{WEWPZK33QYESU2DO7MVPLJNDCG}

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	2026-07-04T16:58:39.637336Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b12cfcab7b86092a686efb2af5a5a3119d68c7b3a64d6e51bb0131dd17135e19

Aliases

arxiv: astro-ph/0604617 · arxiv_version: astro-ph/0604617v2 · doi: 10.48550/arxiv.astro-ph/0604617 · pith_short_12: WEWPZK33QYES · pith_short_16: WEWPZK33QYESU2DO · pith_short_8: WEWPZK33

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/WEWPZK33QYESU2DO7MVPLJNDCG \
  | 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: b12cfcab7b86092a686efb2af5a5a3119d68c7b3a64d6e51bb0131dd17135e19

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "817704eeda7719f30f254ab906866efc77e93bc2695e61e5125f3cd672e325e9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-04-28T17:56:33Z",
    "title_canon_sha256": "c6a2d80a38fcf704a1c1fea242e10bcd70bb25d925a12ddc697e5851f2f9f1c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0604617",
    "kind": "arxiv",
    "version": 2
  }
}