Pith Number

pith:2YMBC3D2

pith:2026:2YMBC3D27AFCGUKZH4FOJDDXXE

not attested not anchored not stored refs pending

Polynomial-time satisfiability for a special case of Positive$\wedge$Negative

Marcel Wild

arxiv:2606.05512 v1 · 2026-06-03 · cs.CC · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2YMBC3D27AFCGUKZH4FOJDDXXE}

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	2026-06-05T01:14:53.297785Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d618116c7af80a2351593f0ae48c77b93db555f5e3eb85da3341bb6fb474fa9f

Aliases

arxiv: 2606.05512 · arxiv_version: 2606.05512v1 · doi: 10.48550/arxiv.2606.05512 · pith_short_12: 2YMBC3D27AFC · pith_short_16: 2YMBC3D27AFCGUKZ · pith_short_8: 2YMBC3D2

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/2YMBC3D27AFCGUKZH4FOJDDXXE \
  | 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: d618116c7af80a2351593f0ae48c77b93db555f5e3eb85da3341bb6fb474fa9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31126327ca50d9d58387cacc9d658d69d5d4d316facb4ed8cbf12056a3251c3f",
    "cross_cats_sorted": [
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2026-06-03T23:38:21Z",
    "title_canon_sha256": "205aecce276b1f68d18350765ffbff37793c219325bd9e127ca1d8abd8c48ccc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.05512",
    "kind": "arxiv",
    "version": 1
  }
}