Pith Number

pith:V6OGFC6W

pith:2013:V6OGFC6WXSYYTIWJLUCSFECNM2

not attested not anchored not stored refs pending

Approximation Algorithms for Regret-Bounded Vehicle Routing and Applications to Distance-Constrained Vehicle Routing

Chaitanya Swamy, Zachary Friggstad

arxiv:1311.6024 v1 · 2013-11-23 · cs.DS · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V6OGFC6WXSYYTIWJLUCSFECNM2}

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	2026-05-18T03:06:20.821832Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af9c628bd6bcb189a2c95d0522904d669eb3fb90e5f6c74b682456e86ec94509

Aliases

arxiv: 1311.6024 · arxiv_version: 1311.6024v1 · doi: 10.48550/arxiv.1311.6024 · pith_short_12: V6OGFC6WXSYY · pith_short_16: V6OGFC6WXSYYTIWJ · pith_short_8: V6OGFC6W

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/V6OGFC6WXSYYTIWJLUCSFECNM2 \
  | 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: af9c628bd6bcb189a2c95d0522904d669eb3fb90e5f6c74b682456e86ec94509

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26299464589d3eff0b58397a23d4ec21d0dde22ef6d59a7c2265d7edbe678858",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-11-23T17:33:35Z",
    "title_canon_sha256": "f23ecd6dd2cb531db096c380dafb2415c1be01197a47e8a6d0fbe8cb7f7d7507"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.6024",
    "kind": "arxiv",
    "version": 1
  }
}