Pith Number

pith:WVVQ6C6M

pith:2026:WVVQ6C6M3CU4XNETXPC2OL6BCI

not attested not anchored not stored refs pending

Enhancing CVRP Solver through LLM-driven Automatic Heuristic Design

Fei Liu, Qingfu Zhang, Zhenkun Wang, Zhuoliang Xie

arxiv:2602.23092 v2 · 2026-02-26 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WVVQ6C6M3CU4XNETXPC2OL6BCI}

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

1 paper in Pith

Vehicle Routing Problem Meets Large Language Models: An Overview and Perspectives

Receipt and verification

First computed	2026-06-19T16:11:21.240957Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b56b0f0bccd8a9cbb493bbc5a72fc112355bb9c05e07e852450012e39cffa04d

Aliases

arxiv: 2602.23092 · arxiv_version: 2602.23092v2 · doi: 10.48550/arxiv.2602.23092 · pith_short_12: WVVQ6C6M3CU4 · pith_short_16: WVVQ6C6M3CU4XNET · pith_short_8: WVVQ6C6M

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/WVVQ6C6M3CU4XNETXPC2OL6BCI \
  | 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: b56b0f0bccd8a9cbb493bbc5a72fc112355bb9c05e07e852450012e39cffa04d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b7f2598eb994cba0628ad3a009bc5eb8d0e0b23b0f22c4f756e4567b0a74bad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-02-26T15:12:23Z",
    "title_canon_sha256": "aabaa3298da8a5297e044e463bc289f25be2c1428ab59dc6ee7b1829be329b1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.23092",
    "kind": "arxiv",
    "version": 2
  }
}