Pith Number

pith:SG2WR52W

pith:2014:SG2WR52WVQ64LAF5QPRD5ZHHDC

not attested not anchored not stored refs pending

An improved car-following model considering variable safety headway distance

Jianping Wu, Yiman Du, Yuhan Jia

arxiv:1407.3374 v1 · 2014-07-12 · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SG2WR52WVQ64LAF5QPRD5ZHHDC}

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	2026-05-18T01:42:37.368898Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91b568f756ac3dc580bd83e23ee4e7189f34665002b2f987a9e63ce1bcabef30

Aliases

arxiv: 1407.3374 · arxiv_version: 1407.3374v1 · doi: 10.48550/arxiv.1407.3374 · pith_short_12: SG2WR52WVQ64 · pith_short_16: SG2WR52WVQ64LAF5 · pith_short_8: SG2WR52W

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/SG2WR52WVQ64LAF5QPRD5ZHHDC \
  | 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: 91b568f756ac3dc580bd83e23ee4e7189f34665002b2f987a9e63ce1bcabef30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bfc797f1f92391c9b6faa22c3ff91e3f8c0ece6d1707156e922abd6dc0d782f4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2014-07-12T11:26:44Z",
    "title_canon_sha256": "5fb9c5b6f8b3f52cf8d33e2e85346ef743d144e3515836e3262fbc4bed0c847a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.3374",
    "kind": "arxiv",
    "version": 1
  }
}