Pith Number

pith:KIUDM2ES

pith:2025:KIUDM2ESS7N6A6RLHVK5FQ5JN2

not attested not anchored not stored refs pending

Decision DNNFs with imbalanced conjunction cannot efficiently represent CNFs of bounded width

Igor Razgon

arxiv:2505.16012 v2 · 2025-05-21 · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KIUDM2ESS7N6A6RLHVK5FQ5JN2}

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	2026-07-05T11:19:07.321087Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

522836689297dbe07a2b3d55d2c3a96e85c7426910bcc7ea98cc4444f6096974

Aliases

arxiv: 2505.16012 · arxiv_version: 2505.16012v2 · doi: 10.48550/arxiv.2505.16012 · pith_short_12: KIUDM2ESS7N6 · pith_short_16: KIUDM2ESS7N6A6RL · pith_short_8: KIUDM2ES

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/KIUDM2ESS7N6A6RLHVK5FQ5JN2 \
  | 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: 522836689297dbe07a2b3d55d2c3a96e85c7426910bcc7ea98cc4444f6096974

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35d2299d650cdd9cec468111467096193a20db275927c07efa1a78694a20e080",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2025-05-21T20:55:50Z",
    "title_canon_sha256": "0b1790e9725cede3e3847bb66eb3d36b2022abfe356bd6654ff4c3093cf6c296"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.16012",
    "kind": "arxiv",
    "version": 2
  }
}