Pith Number

pith:PNB373KV

pith:2014:PNB373KVJ6QSIEDDIBS54OA6DN

not attested not anchored not stored refs pending

Branch-and-price-and-cut for the Split-collection Vehicle Routing Problem with Time Windows and Linear Weight-related Cost

Andrew Lim, Hu Qin, Wenbin Zhu, Zhixin Luo

arxiv:1401.6483 v1 · 2014-01-25 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PNB373KVJ6QSIEDDIBS54OA6DN}

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	2026-05-18T03:01:01.666334Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b43bfed554fa12410634065de381e1b7968c8595630a66111de0aadea58a85e

Aliases

arxiv: 1401.6483 · arxiv_version: 1401.6483v1 · doi: 10.48550/arxiv.1401.6483 · pith_short_12: PNB373KVJ6QS · pith_short_16: PNB373KVJ6QSIEDD · pith_short_8: PNB373KV

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/PNB373KVJ6QSIEDDIBS54OA6DN \
  | 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: 7b43bfed554fa12410634065de381e1b7968c8595630a66111de0aadea58a85e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e892fba4155fe209d2c91d4b120fcad1c523166c181b9b8fc57e2ff91bf06d89",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2014-01-25T01:38:49Z",
    "title_canon_sha256": "fd21120c914983cb2a192c789d0f489d35fad06308775d09a1d0a03abf22afa8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.6483",
    "kind": "arxiv",
    "version": 1
  }
}