Pith Number

pith:NUHBZGMV

pith:2014:NUHBZGMV765ZWZARFSH3MRUEVX

not attested not anchored not stored refs pending

Hybrid Metaheuristics for the Clustered Vehicle Routing Problem

Anand Subramanian, G\"une\c{s} Erdo\v{g}an, Maria Battarra, Thibaut Vidal

arxiv:1404.6696 v1 · 2014-04-26 · 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{NUHBZGMV765ZWZARFSH3MRUEVX}

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	2026-05-18T02:53:06.264646Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d0e1c9995ffbb9b64112c8fb64684adda62686b584804b4673d84d86ba4b358

Aliases

arxiv: 1404.6696 · arxiv_version: 1404.6696v1 · doi: 10.48550/arxiv.1404.6696 · pith_short_12: NUHBZGMV765Z · pith_short_16: NUHBZGMV765ZWZAR · pith_short_8: NUHBZGMV

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/NUHBZGMV765ZWZARFSH3MRUEVX \
  | 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: 6d0e1c9995ffbb9b64112c8fb64684adda62686b584804b4673d84d86ba4b358

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c536a24d28e834abeb43a7c11b83b11766cd1dc309a95383b3e332d274bf0bc6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2014-04-26T23:52:47Z",
    "title_canon_sha256": "449ce19368d60d2b1583f8ca1b67b3a8a4bd3c16fff370289d99a4b205cd78d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.6696",
    "kind": "arxiv",
    "version": 1
  }
}