Pith Number

pith:GLWYZRVK

pith:2012:GLWYZRVKWAUHKYCWMLPZBO5YA5

not attested not anchored not stored refs pending

Lagrangian-based Hydrodynamic Model: Freeway Traffic Estimation

Ke Han, Tao Yao, Terry L. Friesz

arxiv:1211.4619 v1 · 2012-11-19 · 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{GLWYZRVKWAUHKYCWMLPZBO5YA5}

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	2026-05-18T03:40:26.171414Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

32ed8cc6aab02875605662df90bbb807792f4af5e33569544f13a5817d9188d2

Aliases

arxiv: 1211.4619 · arxiv_version: 1211.4619v1 · doi: 10.48550/arxiv.1211.4619 · pith_short_12: GLWYZRVKWAUH · pith_short_16: GLWYZRVKWAUHKYCW · pith_short_8: GLWYZRVK

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/GLWYZRVKWAUHKYCWMLPZBO5YA5 \
  | 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: 32ed8cc6aab02875605662df90bbb807792f4af5e33569544f13a5817d9188d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ded106cb50072cf3ab87753703bc2ab62c88d57e0f36c06faaa71f75a01d473b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2012-11-19T22:55:04Z",
    "title_canon_sha256": "d1f9afcfbb5b88d82ad762a66f07ead76eef60830132394767dc9e805aab6332"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.4619",
    "kind": "arxiv",
    "version": 1
  }
}