Pith Number

pith:PRXX3RU2

pith:2014:PRXX3RU2UICGKVWOLWVJ32ZFH6

not attested not anchored not stored refs pending

Computing convex hulls and counting integer points with polymake

Andreas Paffenholz, Benjamin Assarf, Benjamin Lorenz, Ewgenij Gawrilow, Katrin Herr, Michael Joswig, Thomas Rehn

arxiv:1408.4653 v2 · 2014-08-20 · 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{PRXX3RU2UICGKVWOLWVJ32ZFH6}

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	2026-05-18T01:25:55.761618Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c6f7dc69aa2046556ce5daa9deb253f89938f24b2b09ace0e4508c61ee4b071

Aliases

arxiv: 1408.4653 · arxiv_version: 1408.4653v2 · doi: 10.48550/arxiv.1408.4653 · pith_short_12: PRXX3RU2UICG · pith_short_16: PRXX3RU2UICGKVWO · pith_short_8: PRXX3RU2

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/PRXX3RU2UICGKVWOLWVJ32ZFH6 \
  | 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: 7c6f7dc69aa2046556ce5daa9deb253f89938f24b2b09ace0e4508c61ee4b071

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7df5ce8e7c2459e63f175e42c025b4529869a36043d55c17aff8c42fb58b6461",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-08-20T13:44:25Z",
    "title_canon_sha256": "2f89d2d4de7c2ecab23786a031960670ef599cd7001f60e7070d3a7b30c95b30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.4653",
    "kind": "arxiv",
    "version": 2
  }
}