Pith Number

pith:FWKM4GIS

pith:2012:FWKM4GISLWRWGR2X3LTFAGNTDB

not attested not anchored not stored refs pending

Fundamental Diagram of Pedestrian Dynamics by Safety Interspace Model

Fengfei Zhao, Jun Fang, Zhengcai Lu, Zheng Qin

arxiv:1206.2127 v1 · 2012-06-11 · physics.soc-ph · nlin.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FWKM4GISLWRWGR2X3LTFAGNTDB}

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	2026-05-18T03:53:53.421873Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d94ce19125da3634757dae65019b3186e423eb3151a28994e1bdc2716b09089

Aliases

arxiv: 1206.2127 · arxiv_version: 1206.2127v1 · doi: 10.48550/arxiv.1206.2127 · pith_short_12: FWKM4GISLWRW · pith_short_16: FWKM4GISLWRWGR2X · pith_short_8: FWKM4GIS

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/FWKM4GISLWRWGR2X3LTFAGNTDB \
  | 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: 2d94ce19125da3634757dae65019b3186e423eb3151a28994e1bdc2716b09089

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ab8289d0d2ab23384b1deefe094ec8a631e4615ff190c3809b48035d0ee9749",
    "cross_cats_sorted": [
      "nlin.CG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2012-06-11T08:34:40Z",
    "title_canon_sha256": "55745d6b46acea3516d3523dd1386455b627e59b1fc568a953c4dbc7048e60ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.2127",
    "kind": "arxiv",
    "version": 1
  }
}