Pith Number

pith:G5ZSH3CP

pith:2013:G5ZSH3CP7TSOSVY2GPJLXV22HZ

not attested not anchored not stored refs pending

A Linear-Time and Space Algorithm for Optimal Traffic Signal Durations at an Intersection

Ahmed El-Mahdy, Sameh Samra, Yasutaka Wada

arxiv:1311.0362 v1 · 2013-11-02 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G5ZSH3CP7TSOSVY2GPJLXV22HZ}

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	2026-05-18T02:47:15.904641Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

377323ec4ffce4e9571a33d2bbd75a3e6be26431814927290c9675ecf9ce8b64

Aliases

arxiv: 1311.0362 · arxiv_version: 1311.0362v1 · doi: 10.48550/arxiv.1311.0362 · pith_short_12: G5ZSH3CP7TSO · pith_short_16: G5ZSH3CP7TSOSVY2 · pith_short_8: G5ZSH3CP

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/G5ZSH3CP7TSOSVY2GPJLXV22HZ \
  | 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: 377323ec4ffce4e9571a33d2bbd75a3e6be26431814927290c9675ecf9ce8b64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00e3c44feaeb30a8d8f281d0d7b7bf4b382e1831867b1068a1c02656062ea5a0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-11-02T09:55:07Z",
    "title_canon_sha256": "91a240961330656ffb9cf850c0d25102304ae688ab00c1e063e0aa603490cc48"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.0362",
    "kind": "arxiv",
    "version": 1
  }
}