Pith Number

pith:GDWMKOGJ

pith:2018:GDWMKOGJTKQBU6YJG6TIAP4546

not attested not anchored not stored refs pending

Log-Concave Polynomials I: Entropy and a Deterministic Approximation Algorithm for Counting Bases of Matroids

Cynthia Vinzant, Nima Anari, Shayan Oveis Gharan

arxiv:1807.00929 v2 · 2018-07-02 · cs.DS · cs.IT · math.CO · math.IT · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GDWMKOGJTKQBU6YJG6TIAP4546}

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	2026-05-18T00:01:38.113080Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30ecc538c99aa01a7b0937a6803f9de7b164de6952cab92c3bc91cfa96e3ba7e

Aliases

arxiv: 1807.00929 · arxiv_version: 1807.00929v2 · doi: 10.48550/arxiv.1807.00929 · pith_short_12: GDWMKOGJTKQB · pith_short_16: GDWMKOGJTKQBU6YJ · pith_short_8: GDWMKOGJ

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/GDWMKOGJTKQBU6YJG6TIAP4546 \
  | 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: 30ecc538c99aa01a7b0937a6803f9de7b164de6952cab92c3bc91cfa96e3ba7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67810fecc4195a705c7638c860a0400597b06bf3dc8b282c2ed533c400709742",
    "cross_cats_sorted": [
      "cs.IT",
      "math.CO",
      "math.IT",
      "math.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-07-02T23:50:07Z",
    "title_canon_sha256": "616e9654d3265a933ed15dbb5797949844cd401fea8c0c39d187b07c3960d17c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.00929",
    "kind": "arxiv",
    "version": 2
  }
}