Pith Number

pith:F6R7EEOX

pith:2003:F6R7EEOX5FPIL3KIFGFMGTOEIF

not attested not anchored not stored refs pending

The Simplex Algorithm in Dimension Three

Guenter M. Ziegler, Micha Sharir, Rafael Mechtel, Volker Kaibel

arxiv:math/0309351 v2 · 2003-09-22 · math.CO · 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{F6R7EEOX5FPIL3KIFGFMGTOEIF}

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	2026-07-04T14:37:44.414685Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fa3f211d7e95e85ed48298ac34dc4415b579883e16328e78722817c27e79f61

Aliases

arxiv: math/0309351 · arxiv_version: math/0309351v2 · doi: 10.48550/arxiv.math/0309351 · pith_short_12: F6R7EEOX5FPI · pith_short_16: F6R7EEOX5FPIL3KI · pith_short_8: F6R7EEOX

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/F6R7EEOX5FPIL3KIFGFMGTOEIF \
  | 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: 2fa3f211d7e95e85ed48298ac34dc4415b579883e16328e78722817c27e79f61

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0290d63c21fa5b26634f9fb9659b895150a81464920a15968b3578ba617155ac",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "",
    "primary_cat": "math.CO",
    "submitted_at": "2003-09-22T05:46:08Z",
    "title_canon_sha256": "8fbde7b12feef761cf517acd0e56202d76b58e2898b894bc8f53742ef65a6d71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0309351",
    "kind": "arxiv",
    "version": 2
  }
}