Pith Number

pith:ZAWXPTSA

pith:2015:ZAWXPTSALD6ZKS2PJ64W43OKEB

not attested not anchored not stored refs pending

Technical Note: Split Algorithm in O(n) for the Capacitated Vehicle Routing Problem

Thibaut Vidal

arxiv:1508.02759 v3 · 2015-08-11 · 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{ZAWXPTSALD6ZKS2PJ64W43OKEB}

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	2026-05-18T00:16:46.001857Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c82d77ce4058fd954b4f4fb96e6dca206d57b4e6ae5e64744410062d6dbcd60a

Aliases

arxiv: 1508.02759 · arxiv_version: 1508.02759v3 · doi: 10.48550/arxiv.1508.02759 · pith_short_12: ZAWXPTSALD6Z · pith_short_16: ZAWXPTSALD6ZKS2P · pith_short_8: ZAWXPTSA

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/ZAWXPTSALD6ZKS2PJ64W43OKEB \
  | 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: c82d77ce4058fd954b4f4fb96e6dca206d57b4e6ae5e64744410062d6dbcd60a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0476222c7ee4ff62ff6e8fcc5ee7211394dcb36ab7dcbc90c2b834896449af41",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2015-08-11T21:41:37Z",
    "title_canon_sha256": "2e09c9d71f042f0586da473271c24ab45bc7a2a43d2cf13fcbe5b44540356d1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.02759",
    "kind": "arxiv",
    "version": 3
  }
}