Pith Number

pith:VMW2FA5O

pith:2025:VMW2FA5OTW5ZNW2LNUTV3FQQMD

not attested not anchored not stored refs pending

A Min-Max Relation on Dicuts and Dijoins in Weighted Chordal Digraphs

G\'erard Cornu\'ejols, R. Ravi, Siyue Liu

arxiv:2501.10918 v2 · 2025-01-19 · math.CO · cs.DS · 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{VMW2FA5OTW5ZNW2LNUTV3FQQMD}

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	2026-06-02T01:03:30.276710Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab2da283ae9dbb96db4b6d275d961060efa695567260a67486f812ca28412095

Aliases

arxiv: 2501.10918 · arxiv_version: 2501.10918v2 · doi: 10.48550/arxiv.2501.10918 · pith_short_12: VMW2FA5OTW5Z · pith_short_16: VMW2FA5OTW5ZNW2L · pith_short_8: VMW2FA5O

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/VMW2FA5OTW5ZNW2LNUTV3FQQMD \
  | 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: ab2da283ae9dbb96db4b6d275d961060efa695567260a67486f812ca28412095

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2691e324cc64b2cecf05b7012b4cfeffa1939611cf1acce7ba08bdb8296e4b64",
    "cross_cats_sorted": [
      "cs.DS",
      "math.OC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2025-01-19T02:02:21Z",
    "title_canon_sha256": "130dd149980705c17b19dd5e5487966a55c3d040879825742b7c1c3201e7e964"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.10918",
    "kind": "arxiv",
    "version": 2
  }
}