Pith Number

pith:IJPF5FK3

pith:2018:IJPF5FK3GN2NBEQYEOLQOXWHN3

not attested not anchored not stored refs pending

An Efficient Primal-Dual Algorithm for Fair Combinatorial Optimization Problems

Paul Weng, Viet Hung Nguyen

arxiv:1801.07544 v1 · 2018-01-23 · cs.DS · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IJPF5FK3GN2NBEQYEOLQOXWHN3}

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	2026-05-18T00:25:12.611719Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

425e5e955b3374d092182397075ec76ec8fb117c91c7e2728fe74a935ce49849

Aliases

arxiv: 1801.07544 · arxiv_version: 1801.07544v1 · doi: 10.48550/arxiv.1801.07544 · pith_short_12: IJPF5FK3GN2N · pith_short_16: IJPF5FK3GN2NBEQY · pith_short_8: IJPF5FK3

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/IJPF5FK3GN2NBEQYEOLQOXWHN3 \
  | 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: 425e5e955b3374d092182397075ec76ec8fb117c91c7e2728fe74a935ce49849

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25053026f1c47c4f70c0304a7c38257973ec93973bd18642f7ec4a38addaa81f",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-01-23T14:11:19Z",
    "title_canon_sha256": "8ca4a488b2b54c170d6670e50608d46d9be48504e9192bf3378969d9642e0c7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.07544",
    "kind": "arxiv",
    "version": 1
  }
}