Pith Number

pith:77PCR2A7

pith:2002:77PCR2A7CDFBTJM6OY72EVDOVX

not attested not anchored not stored refs pending

Friction effects and clogging in a cellular automaton model for pedestrian dynamics

Andreas Schadschneider, Ansgar Kirchner, Katsuhiro Nishinari

arxiv:cond-mat/0209383 v1 · 2002-09-17 · 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{77PCR2A7CDFBTJM6OY72EVDOVX}

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	2026-07-04T16:32:57.249003Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ffde28e81f10ca19a59e763fa2546eadc1aaf07e4222a6cfee8c721231e4e5eb

Aliases

arxiv: cond-mat/0209383 · arxiv_version: cond-mat/0209383v1 · doi: 10.48550/arxiv.cond-mat/0209383 · pith_short_12: 77PCR2A7CDFB · pith_short_16: 77PCR2A7CDFBTJM6 · pith_short_8: 77PCR2A7

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/77PCR2A7CDFBTJM6OY72EVDOVX \
  | 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: ffde28e81f10ca19a59e763fa2546eadc1aaf07e4222a6cfee8c721231e4e5eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "183805af068138b1931dab3eb9297d3047eda719e2881bcc813a95a41dceb7dc",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2002-09-17T10:28:39Z",
    "title_canon_sha256": "808204fa821eacfaae6dbcb8bf0573c5fb910c98a79f40e092de09a5e466808d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0209383",
    "kind": "arxiv",
    "version": 1
  }
}