Pith Number

pith:BSEAG44F

pith:2011:BSEAG44FO633QWLSG2IIV5ZF3F

not attested not anchored not stored refs pending

Extended formulations, non-negative factorizations and randomized communication protocols

Hans Raj Tiwary, Roland Grappe, Samuel Fiorini, Yuri Faenza

arxiv:1105.4127 v3 · 2011-05-20 · cs.DM · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BSEAG44FO633QWLSG2IIV5ZF3F}

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	2026-05-18T03:25:59.776108Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c8803738577b7b8597236908af725d96e0a7805f276663a7bb021473e40e2f4

Aliases

arxiv: 1105.4127 · arxiv_version: 1105.4127v3 · doi: 10.48550/arxiv.1105.4127 · pith_short_12: BSEAG44FO633 · pith_short_16: BSEAG44FO633QWLS · pith_short_8: BSEAG44F

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/BSEAG44FO633QWLSG2IIV5ZF3F \
  | 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: 0c8803738577b7b8597236908af725d96e0a7805f276663a7bb021473e40e2f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e736d79a084d76a76bb5e49089aeb2b9b211c56f01f7f9ebc80521bb9bb0ecfa",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2011-05-20T16:41:16Z",
    "title_canon_sha256": "97f9700f6b089c48a8d1e773a0db4ec9605d1f3fae7e416fb6446786003cce33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.4127",
    "kind": "arxiv",
    "version": 3
  }
}