Pith Number

pith:XHTOVQEN

pith:2014:XHTOVQENN7BMGXKSVDYY4C5E6I

not attested not anchored not stored refs pending

On the Structure and the Number of Prime Implicants of 2-CNFs

Navid Talebanfard

arxiv:1408.2662 v2 · 2014-08-12 · 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{XHTOVQENN7BMGXKSVDYY4C5E6I}

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	2026-05-18T01:29:59.403266Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9e6eac08d6fc2c35d52a8f18e0ba4f22e0627da136c3d830e0b512fc315668e

Aliases

arxiv: 1408.2662 · arxiv_version: 1408.2662v2 · doi: 10.48550/arxiv.1408.2662 · pith_short_12: XHTOVQENN7BM · pith_short_16: XHTOVQENN7BMGXKS · pith_short_8: XHTOVQEN

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/XHTOVQENN7BMGXKSVDYY4C5E6I \
  | 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: b9e6eac08d6fc2c35d52a8f18e0ba4f22e0627da136c3d830e0b512fc315668e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d318d5988491ba7ab54072e7bef219872161fd55b80c7686508eaa16ff6fe7ae",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2014-08-12T09:00:33Z",
    "title_canon_sha256": "c0f55722ee1bb4d9ba1670a3c380d47e9520d5c5e317183bce67dd2a56c9b0e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.2662",
    "kind": "arxiv",
    "version": 2
  }
}