Pith Number

pith:SC44WTRD

pith:2018:SC44WTRDD7IL4SD4QBKWYCIUMO

not attested not anchored not stored refs pending

The design of courier transportation networks with a nonlinear zero-one programming model

Boliang Lin

arxiv:1805.00836 v1 · 2018-05-02 · math.OC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SC44WTRDD7IL4SD4QBKWYCIUMO}

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	2026-05-18T00:16:57.570267Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90b9cb4e231fd0be487c80556c0914639a1c07cdea0cfa4a659a74224fcbf459

Aliases

arxiv: 1805.00836 · arxiv_version: 1805.00836v1 · doi: 10.48550/arxiv.1805.00836 · pith_short_12: SC44WTRDD7IL · pith_short_16: SC44WTRDD7IL4SD4 · pith_short_8: SC44WTRD

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/SC44WTRDD7IL4SD4QBKWYCIUMO \
  | 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: 90b9cb4e231fd0be487c80556c0914639a1c07cdea0cfa4a659a74224fcbf459

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee2a45abb2d89cd164c9ec4a632964f449fec4daac0a937c09ed4c6194b86cbc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-05-02T14:15:02Z",
    "title_canon_sha256": "6ab61a9563f1907e2f0c738d19efa94643879384f8f193ec6c53b814af607ad5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.00836",
    "kind": "arxiv",
    "version": 1
  }
}