Pith Number

pith:S2P7KOB4

pith:2025:S2P7KOB47MPX6EWFBK2EALFFVP

not attested not anchored not stored refs pending

Hierarchical Learning-based Graph Partition for Large-scale Vehicle Routing Problems

Fangzhen Lin, Ruohong Liu, Yize Chen, Yuxin Pan, Zhiguang Cao

arxiv:2502.08340 v1 · 2025-02-12 · cs.LG · 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{S2P7KOB47MPX6EWFBK2EALFFVP}

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	2026-07-05T10:13:21.395608Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

969ff5383cfb1f7f12c50ab4402ca5abcc0f173ce02b5174b26f6127df7392d5

Aliases

arxiv: 2502.08340 · arxiv_version: 2502.08340v1 · doi: 10.48550/arxiv.2502.08340 · pith_short_12: S2P7KOB47MPX · pith_short_16: S2P7KOB47MPX6EWF · pith_short_8: S2P7KOB4

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/S2P7KOB47MPX6EWFBK2EALFFVP \
  | 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: 969ff5383cfb1f7f12c50ab4402ca5abcc0f173ce02b5174b26f6127df7392d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4d45a2db9451b03a8d2232ac053342e7c8139617ee7427a4ec44818e2a89126",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-02-12T12:07:09Z",
    "title_canon_sha256": "a25fc7bcfc6be80a3228e91cc431bb3489270bfde445c73ccf452012c3af0b9e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.08340",
    "kind": "arxiv",
    "version": 1
  }
}