Pith Number

pith:N7EEBSMD

pith:2010:N7EEBSMDZYM3ZIPIFRDACV4H6Y

not attested not anchored not stored refs pending

Simulating the universe on an intercontinental grid of supercomputers

Cees de Laat (Amsterdam), Derek Groen (Leiden), Junichiro Makino (Tokyo), Keigo Nitadori (Tokyo), Kei Hiraki (Tokyo), Paola Grosso (Amsterdam), Simon Portegies Zwart (Leiden), Stefan Harfst (Leiden), Stephen McMillan (Drexel), Tomoaki Ishiyama (Tokyo)

arxiv:1001.0773 v1 · 2010-01-05 · astro-ph.CO · astro-ph.IM · cs.DC · physics.comp-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{N7EEBSMDZYM3ZIPIFRDACV4H6Y}

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	2026-05-18T02:10:04.725075Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6fc840c983ce19bca1e82c46015787f613c249dff8fb28aaf2b63b7b38f727ff

Aliases

arxiv: 1001.0773 · arxiv_version: 1001.0773v1 · doi: 10.48550/arxiv.1001.0773 · pith_short_12: N7EEBSMDZYM3 · pith_short_16: N7EEBSMDZYM3ZIPI · pith_short_8: N7EEBSMD

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/N7EEBSMDZYM3ZIPIFRDACV4H6Y \
  | 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: 6fc840c983ce19bca1e82c46015787f613c249dff8fb28aaf2b63b7b38f727ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2305d7a8d5212558794a67932fe27157e8102f06a3b46091174856f4fcd346f",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "cs.DC",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-01-05T21:33:03Z",
    "title_canon_sha256": "93eb6418327d21a6047959f90a58087d9405682d96f56087be7b34f5b594183a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.0773",
    "kind": "arxiv",
    "version": 1
  }
}