Pith Number

pith:LUFI22DV

pith:2015:LUFI22DVTSLBUFYEN5XW2LYIR3

not attested not anchored not stored refs pending

Another pedagogy for mixed-integer Gomory

Angelika Wiegele, Jon Lee

arxiv:1510.06522 v1 · 2015-10-22 · 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{LUFI22DVTSLBUFYEN5XW2LYIR3}

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	2026-05-18T00:03:00.630040Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d0a8d68759c961a17046f6f6d2f088efef4beb4673e37a05abc4b497a14f102

Aliases

arxiv: 1510.06522 · arxiv_version: 1510.06522v1 · doi: 10.48550/arxiv.1510.06522 · pith_short_12: LUFI22DVTSLB · pith_short_16: LUFI22DVTSLBUFYE · pith_short_8: LUFI22DV

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/LUFI22DVTSLBUFYEN5XW2LYIR3 \
  | 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: 5d0a8d68759c961a17046f6f6d2f088efef4beb4673e37a05abc4b497a14f102

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d32c6f54533ae15e9097d8134da0e5a7e40c9b075c6de17e1e90f66f9bbb1d6e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2015-10-22T08:33:23Z",
    "title_canon_sha256": "add2f6ed853f5a95d54b396c4a44bd6dc7660baffb918321ee87cfd178d04506"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.06522",
    "kind": "arxiv",
    "version": 1
  }
}