Pith Number

pith:6VL67RTS

pith:2013:6VL67RTSBK3KZVHSHYKWKYGPOE

not attested not anchored not stored refs pending

Uncapacitated Flow-based Extended Formulations

Kanstantsin Pashkovich, Samuel Fiorini

arxiv:1306.3119 v1 · 2013-06-13 · math.OC · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6VL67RTSBK3KZVHSHYKWKYGPOE}

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	2026-05-18T03:20:59.550832Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f557efc6720ab6acd4f23e156560cf713047d693b2e282e631d20bbb9bef5fcf

Aliases

arxiv: 1306.3119 · arxiv_version: 1306.3119v1 · doi: 10.48550/arxiv.1306.3119 · pith_short_12: 6VL67RTSBK3K · pith_short_16: 6VL67RTSBK3KZVHS · pith_short_8: 6VL67RTS

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/6VL67RTSBK3KZVHSHYKWKYGPOE \
  | 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: f557efc6720ab6acd4f23e156560cf713047d693b2e282e631d20bbb9bef5fcf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0efa158f8bf8709e03e5567a149bb79417071714b767b6614253b3513ece8935",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2013-06-13T14:27:42Z",
    "title_canon_sha256": "7805ba9eb9d27449553cfa835665650e12196527ccd8cb83ba4e6714198f5f97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.3119",
    "kind": "arxiv",
    "version": 1
  }
}