Pith Number

pith:JWUH4EVD

pith:2011:JWUH4EVDP5GQ7BV3FXZGELB7JK

not attested not anchored not stored refs pending

Practical inventory routing: A problem definition and an optimization method

Marc Sevaux, Martin Josef Geiger

arxiv:1102.5635 v1 · 2011-02-28 · 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{JWUH4EVDP5GQ7BV3FXZGELB7JK}

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	2026-05-18T04:27:46.400960Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4da87e12a37f4d0f86bb2df2622c3f4abd7a586dc9961715266c3d34a3ddc3ec

Aliases

arxiv: 1102.5635 · arxiv_version: 1102.5635v1 · doi: 10.48550/arxiv.1102.5635 · pith_short_12: JWUH4EVDP5GQ · pith_short_16: JWUH4EVDP5GQ7BV3 · pith_short_8: JWUH4EVD

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/JWUH4EVDP5GQ7BV3FXZGELB7JK \
  | 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: 4da87e12a37f4d0f86bb2df2622c3f4abd7a586dc9961715266c3d34a3ddc3ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd324fd22b030aa45926a955d56ef8cbe48fac52ac11b4e13f5dc15c06d9d468",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2011-02-28T10:42:29Z",
    "title_canon_sha256": "97e74a4cdd3e732305fb358638bfd5b9ace4bb09986bf2aa78a793a531bc696e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.5635",
    "kind": "arxiv",
    "version": 1
  }
}