Pith Number

pith:HDF46FCS

pith:2023:HDF46FCSMQSN54VN6MMCROMQPH

not attested not anchored not stored refs pending

Heuristics for Vehicle Routing Problem: A Survey and Recent Advances

Chengyu Lu, Fei Liu, Lin Gui, Mingxuan Yuan, Qingfu Zhang, Xialiang Tong

arxiv:2303.04147 v1 · 2023-03-01 · cs.AI · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HDF46FCSMQSN54VN6MMCROMQPH}

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.

Cited by

2 papers in Pith

Coupled Routing and Charge Schedule Optimization of Electrified Delivery Truck Fleets: Feasibility Analyses

Automated Large-scale CVRP Solver Design via LLM-assisted Flexible MCTS

Receipt and verification

First computed	2026-07-05T05:49:04.591322Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38cbcf14526424def2adf31828b99079f4779b9f39b27bd67e99d67168f1f829

Aliases

arxiv: 2303.04147 · arxiv_version: 2303.04147v1 · doi: 10.48550/arxiv.2303.04147 · pith_short_12: HDF46FCSMQSN · pith_short_16: HDF46FCSMQSN54VN · pith_short_8: HDF46FCS

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/HDF46FCSMQSN54VN6MMCROMQPH \
  | 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: 38cbcf14526424def2adf31828b99079f4779b9f39b27bd67e99d67168f1f829

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6cc6476eb266d3e3233a2363970eacf81153b97f64043e4137087b2ac36b9d39",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2023-03-01T14:20:45Z",
    "title_canon_sha256": "7b63e5961bf22418d34b82708f005b089f98fce1346302f7562075c5f6962979"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.04147",
    "kind": "arxiv",
    "version": 1
  }
}