Pith Number

pith:YBPIXZEQ

pith:2014:YBPIXZEQ3OWWTCVTM2EAKKHUOL

not attested not anchored not stored refs pending

An Improved Algorithm for Fixed-Hub Single Allocation Problem

Dongdong Ge, Jiawei Zhang, Lai Wei, Zizhuo Wang

arxiv:1402.4183 v1 · 2014-02-17 · cs.DS · cs.CC · 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{YBPIXZEQ3OWWTCVTM2EAKKHUOL}

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	2026-05-18T02:58:44.612663Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c05e8be490dbad698ab366880528f472ef9668e50fb81ee2257c9ce71c05c7be

Aliases

arxiv: 1402.4183 · arxiv_version: 1402.4183v1 · doi: 10.48550/arxiv.1402.4183 · pith_short_12: YBPIXZEQ3OWW · pith_short_16: YBPIXZEQ3OWWTCVT · pith_short_8: YBPIXZEQ

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/YBPIXZEQ3OWWTCVTM2EAKKHUOL \
  | 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: c05e8be490dbad698ab366880528f472ef9668e50fb81ee2257c9ce71c05c7be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e4f0a6caf277b2dc85467d4a8f90917a71cad189abc7904ddfafd1d8a23ec95",
    "cross_cats_sorted": [
      "cs.CC",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2014-02-17T23:42:50Z",
    "title_canon_sha256": "04bb25a504efba0ad3f283b5a949fc5bc4d52aa2e2fa44cbf3d9a6387fa9393c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.4183",
    "kind": "arxiv",
    "version": 1
  }
}