Pith Number

pith:VKGR3TIT

pith:2018:VKGR3TIT56F7ZHPKS44LPBKQP2

not attested not anchored not stored refs pending

A Fast Lax-Hopf formula to solve the Lighthill-Whitham-Richards traffic flow model on networks

Christian Claudel, Michele Simoni

arxiv:1802.05391 v2 · 2018-02-15 · math.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{VKGR3TIT56F7ZHPKS44LPBKQP2}

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	2026-05-18T00:07:10.727209Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa8d1dcd13ef8bfc9dea9738b785507e8fc49e1945e5b1955ea399f63463c00e

Aliases

arxiv: 1802.05391 · arxiv_version: 1802.05391v2 · doi: 10.48550/arxiv.1802.05391 · pith_short_12: VKGR3TIT56F7 · pith_short_16: VKGR3TIT56F7ZHPK · pith_short_8: VKGR3TIT

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/VKGR3TIT56F7ZHPKS44LPBKQP2 \
  | 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: aa8d1dcd13ef8bfc9dea9738b785507e8fc49e1945e5b1955ea399f63463c00e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3fb6a687685a0f7b3f75756a92389d838e907386f4d82a7ddf0fc0a1c443ead3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-02-15T02:52:50Z",
    "title_canon_sha256": "c980152958c41eb9f33fae34d33a8585a027ca82adebb98a2e1c602b689dd24e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.05391",
    "kind": "arxiv",
    "version": 2
  }
}