Pith Number

pith:2TQFO5MW

pith:2025:2TQFO5MWYKYSHRUD4AKYMH6JLN

not attested not anchored not stored refs pending

Hybrid Node-Destroyer Model with Large Neighborhood Search for Solving the Capacitated Vehicle Routing Problem

Bachtiar Herdianto, Daniele Vigo, Flavien Lucas, Marc Sevaux, Romain Billot

arxiv:2508.08659 v1 · 2025-08-12 · 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{2TQFO5MWYKYSHRUD4AKYMH6JLN}

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	2026-07-05T11:52:32.011752Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4e0577596c2b123c683e015861fc95b442f35c0cff9fc92fba852bfa594e840

Aliases

arxiv: 2508.08659 · arxiv_version: 2508.08659v1 · doi: 10.48550/arxiv.2508.08659 · pith_short_12: 2TQFO5MWYKYS · pith_short_16: 2TQFO5MWYKYSHRUD · pith_short_8: 2TQFO5MW

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/2TQFO5MWYKYSHRUD4AKYMH6JLN \
  | 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: d4e0577596c2b123c683e015861fc95b442f35c0cff9fc92fba852bfa594e840

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "910ae35103d144c4f742a6618c51615d155189f30dc4121a79dcb136cabda64f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2025-08-12T05:56:13Z",
    "title_canon_sha256": "ec4ebc915cc259e99f72c7b3f3acad1cef4e08bb9fc025ea9f9102bca4ada5f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.08659",
    "kind": "arxiv",
    "version": 1
  }
}