Pith Number

pith:XRMIEJ7B

pith:2013:XRMIEJ7BEXN62BZCQPJFTZJFJJ

not attested not anchored not stored refs pending

The Fundamental Plane of Damped Lyman Alpha Systems

Arthur M. Wolfe, J. Xavier Prochaska, Marcel Neeleman, Marc Rafelski

arxiv:1303.7239 v3 · 2013-03-28 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XRMIEJ7BEXN62BZCQPJFTZJFJJ}

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	2026-05-18T03:26:31.850563Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc588227e125dbed072283d259e5254a4695a1771f68e5c6d3ccd6bb3b12b6e2

Aliases

arxiv: 1303.7239 · arxiv_version: 1303.7239v3 · doi: 10.48550/arxiv.1303.7239 · pith_short_12: XRMIEJ7BEXN6 · pith_short_16: XRMIEJ7BEXN62BZC · pith_short_8: XRMIEJ7B

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/XRMIEJ7BEXN62BZCQPJFTZJFJJ \
  | 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: bc588227e125dbed072283d259e5254a4695a1771f68e5c6d3ccd6bb3b12b6e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9b27b4818d488e1a49361445010590a9795aeedb4293c268163c0e6b0e00b8e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-03-28T20:01:11Z",
    "title_canon_sha256": "7254763b26c935300ee99536c3c9830662883b0293da0f49d6649bd5d112e802"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.7239",
    "kind": "arxiv",
    "version": 3
  }
}