Pith Number

pith:QHJHX4UM

pith:2018:QHJHX4UMBW75TW7DAWVZQESQPB

not attested not anchored not stored refs pending

A reconstruction of Florida Traffic Flow During Hurricane Irma (2017)

Kairui Feng, Ning Lin

arxiv:1807.11177 v1 · 2018-07-30 · physics.soc-ph · math.OC · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QHJHX4UMBW75TW7DAWVZQESQPB}

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	2026-05-18T00:09:32.738511Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81d27bf28c0dbfd9dbe305ab981250785654b68517aa99946e02ff83c315aa48

Aliases

arxiv: 1807.11177 · arxiv_version: 1807.11177v1 · doi: 10.48550/arxiv.1807.11177 · pith_short_12: QHJHX4UMBW75 · pith_short_16: QHJHX4UMBW75TW7D · pith_short_8: QHJHX4UM

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/QHJHX4UMBW75TW7DAWVZQESQPB \
  | 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: 81d27bf28c0dbfd9dbe305ab981250785654b68517aa99946e02ff83c315aa48

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "103d7fa43b7ac0ac62eeed02a11e5444d419361c00fb2853d03ede982920a069",
    "cross_cats_sorted": [
      "math.OC",
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2018-07-30T05:15:42Z",
    "title_canon_sha256": "882913b39b0dc67cc6ecce68f579b43bcfb52071567ce1d4409ae1972b77345a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.11177",
    "kind": "arxiv",
    "version": 1
  }
}