Pith Number

pith:A67JUWXN

pith:1998:A67JUWXNF7YQG6I2RJHPACD7TI

not attested not anchored not stored refs pending

Exact solution of a cellular automaton for traffic

E. R. Speer (Rutgers University), M. R. Evans (University of Edinburgh), N. Rajewsky (Rutgers University)

arxiv:cond-mat/9810306 v1 · 1998-10-22 · cond-mat.stat-mech

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A67JUWXNF7YQG6I2RJHPACD7TI}

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	2026-05-18T01:39:29.731299Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07be9a5aed2ff103791a8a4ef0087f9a1540e8a58adebf8cf48546fadd7548cf

Aliases

arxiv: cond-mat/9810306 · arxiv_version: cond-mat/9810306v1 · doi: 10.48550/arxiv.cond-mat/9810306 · pith_short_12: A67JUWXNF7YQ · pith_short_16: A67JUWXNF7YQG6I2 · pith_short_8: A67JUWXN

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/A67JUWXNF7YQG6I2RJHPACD7TI \
  | 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: 07be9a5aed2ff103791a8a4ef0087f9a1540e8a58adebf8cf48546fadd7548cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "272079c62fe566f9aa730cf4a32646344620e89e336bf042d90d27a9191f0d67",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "1998-10-22T20:55:10Z",
    "title_canon_sha256": "876711983eab570e27d66796c896f6c40d34b47207086998e5253099e3a39386"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/9810306",
    "kind": "arxiv",
    "version": 1
  }
}