Pith Number

pith:ZYV547W5

pith:2012:ZYV547W5ZJHRMJWRXXTZULBJWD

not attested not anchored not stored refs pending

Intersection cuts from multiple rows: a disjunctive programming approach

Andrea Qualizza, Egon Balas

arxiv:1206.1630 v1 · 2012-06-07 · math.CO · cs.DM · 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{ZYV547W5ZJHRMJWRXXTZULBJWD}

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	2026-05-18T03:52:27.811427Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce2bde7eddca4f1626d1bde79a2c29b0d0a2edbe40e5871b9f735fe3299c7325

Aliases

arxiv: 1206.1630 · arxiv_version: 1206.1630v1 · doi: 10.48550/arxiv.1206.1630 · pith_short_12: ZYV547W5ZJHR · pith_short_16: ZYV547W5ZJHRMJWR · pith_short_8: ZYV547W5

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/ZYV547W5ZJHRMJWRXXTZULBJWD \
  | 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: ce2bde7eddca4f1626d1bde79a2c29b0d0a2edbe40e5871b9f735fe3299c7325

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "388fa4936f4ff713e1890ee287dc9ebb42f36ab9d511803f1f8bc17d308ad81c",
    "cross_cats_sorted": [
      "cs.DM",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2012-06-07T21:56:10Z",
    "title_canon_sha256": "fb746c5994a6c5a1ca127f947cf3e850b6bd57437060e63b0f1d3d9da9837ff7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.1630",
    "kind": "arxiv",
    "version": 1
  }
}