Pith Number

pith:A7OHFO5M

pith:2012:A7OHFO5MEEG7OMKNKVS4CWUHWX

not attested not anchored not stored refs pending

Moving mesh cosmology: properties of neutral hydrogen in absorption

Debora Sijacki, Lars Hernquist, Mark Vogelsberger, Matias Zaldarriaga, Simeon Bird, Volker Springel

arxiv:1209.2118 v2 · 2012-09-10 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A7OHFO5MEEG7OMKNKVS4CWUHWX}

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	2026-05-18T02:29:45.812167Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07dc72bbac210df7314d5565c15a87b5c6478233ce84208664d671b90028121c

Aliases

arxiv: 1209.2118 · arxiv_version: 1209.2118v2 · doi: 10.48550/arxiv.1209.2118 · pith_short_12: A7OHFO5MEEG7 · pith_short_16: A7OHFO5MEEG7OMKN · pith_short_8: A7OHFO5M

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/A7OHFO5MEEG7OMKNKVS4CWUHWX \
  | 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: 07dc72bbac210df7314d5565c15a87b5c6478233ce84208664d671b90028121c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f683f7aa77aa30add00322172df4e6d6d80ad487de5542ca0f71449c67be1b6",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-09-10T20:00:01Z",
    "title_canon_sha256": "5475b7999ca1940f4c90642d2200429a995fcc98c91c93a581dc3d4de841fe40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.2118",
    "kind": "arxiv",
    "version": 2
  }
}