Pith Number

pith:O2DBJHBE

pith:2018:O2DBJHBEZ6KKUIO7BIKY6XIF4F

not attested not anchored not stored refs pending

A Polynomial Time Delta-Decomposition Algorithm for Positive DNFs

Denis Ponomaryov

arxiv:1805.08177 v4 · 2018-05-21 · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O2DBJHBEZ6KKUIO7BIKY6XIF4F}

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	2026-05-17T23:47:08.769214Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7686149c24cf94aa21df0a158f5d05e177fc3071aa337428b8861a7711009ed0

Aliases

arxiv: 1805.08177 · arxiv_version: 1805.08177v4 · doi: 10.48550/arxiv.1805.08177 · pith_short_12: O2DBJHBEZ6KK · pith_short_16: O2DBJHBEZ6KKUIO7 · pith_short_8: O2DBJHBE

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/O2DBJHBEZ6KKUIO7BIKY6XIF4F \
  | 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: 7686149c24cf94aa21df0a158f5d05e177fc3071aa337428b8861a7711009ed0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d08f42fe93bd7b0248e944150c2d06eb180dee9ca8584e2eba921a3d45138d5a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2018-05-21T17:00:01Z",
    "title_canon_sha256": "ab9f4b76726bdc240cf0aa38be289fcc6c05b8606b03fd5cec08a15d2e9d917f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.08177",
    "kind": "arxiv",
    "version": 4
  }
}