Pith Number

pith:DZCR7MUA

pith:2014:DZCR7MUAQSTCT3MYUOVDJUUTS6

not attested not anchored not stored refs pending

A matheuristic approach for the Pollution-Routing Problem

Anand Subramanian, Luc\'idio dos Anjos Formiga Cabral, Raphael Kramer, Thibaut Vidal

arxiv:1404.4895 v1 · 2014-04-18 · 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{DZCR7MUAQSTCT3MYUOVDJUUTS6}

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	2026-05-18T02:53:52.712973Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e451fb28084a629ed98a3aa34d29397819df33c83d412ecf5c55a13efb28f27

Aliases

arxiv: 1404.4895 · arxiv_version: 1404.4895v1 · doi: 10.48550/arxiv.1404.4895 · pith_short_12: DZCR7MUAQSTC · pith_short_16: DZCR7MUAQSTCT3MY · pith_short_8: DZCR7MUA

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/DZCR7MUAQSTCT3MYUOVDJUUTS6 \
  | 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: 1e451fb28084a629ed98a3aa34d29397819df33c83d412ecf5c55a13efb28f27

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33aa5d4ebf52b1ba154e261c62affa2dae8e6732f3beefac19e41869075a2bad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2014-04-18T22:17:55Z",
    "title_canon_sha256": "f1b9fcca05543e4734497efed57af46e7bd2d9ab26dab01fc0d46646e50f7724"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.4895",
    "kind": "arxiv",
    "version": 1
  }
}