Pith Number

pith:WH23BFCS

pith:2010:WH23BFCS7HYL5AWOC44ECFQ6YE

not attested not anchored not stored refs pending

Finding an Integral vector in an Unknown Polyhedral Cone

Ali Kakhbod, Morteza Zadimoghaddam

arxiv:1002.0117 v4 · 2010-01-31 · 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{WH23BFCS7HYL5AWOC44ECFQ6YE}

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	2026-05-18T04:08:24.689825Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1f5b09452f9f0be82ce173841161ec13f01a3652d2b3047b6b86d161c793f51

Aliases

arxiv: 1002.0117 · arxiv_version: 1002.0117v4 · doi: 10.48550/arxiv.1002.0117 · pith_short_12: WH23BFCS7HYL · pith_short_16: WH23BFCS7HYL5AWO · pith_short_8: WH23BFCS

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/WH23BFCS7HYL5AWOC44ECFQ6YE \
  | 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: b1f5b09452f9f0be82ce173841161ec13f01a3652d2b3047b6b86d161c793f51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ab5bbe130f05a045efe93b576d3942a048d7abe2994d7ee594e762337a1a5ae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2010-01-31T10:59:06Z",
    "title_canon_sha256": "d3092f059fad6fddd57aa5e4451571db0e11bf27badfebe828e991b14e0894f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.0117",
    "kind": "arxiv",
    "version": 4
  }
}