Pith Number

pith:X4XRNNPJ

pith:2025:X4XRNNPJVUAMUIJBSA3VJFPIOT

not attested not anchored not stored refs pending

New Algorithms for #2-SAT and #3-SAT

Junqiang Peng, Mingyu Xiao, Zimo Sheng

arxiv:2507.14504 v1 · 2025-07-19 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X4XRNNPJVUAMUIJBSA3VJFPIOT}

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.

Cited by

1 paper in Pith

A Hypergraph Container Method for Spread SAT: Approximation and Speedup

Receipt and verification

First computed	2026-07-05T11:40:08.523341Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf2f16b5e9ad00ca212190375495e874fe58265652ffa26f94454b245e49f1ac

Aliases

arxiv: 2507.14504 · arxiv_version: 2507.14504v1 · doi: 10.48550/arxiv.2507.14504 · pith_short_12: X4XRNNPJVUAM · pith_short_16: X4XRNNPJVUAMUIJB · pith_short_8: X4XRNNPJ

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/X4XRNNPJVUAMUIJBSA3VJFPIOT \
  | 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: bf2f16b5e9ad00ca212190375495e874fe58265652ffa26f94454b245e49f1ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd4f719c6e02e5e8f52be08010658476f6de6f4216084e94e3015ba2a70e4f64",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2025-07-19T06:32:36Z",
    "title_canon_sha256": "d6bbcbcc06d1afb78f8777dc4003088d63b818d95a1a5276d9c30d8d79c76bb8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.14504",
    "kind": "arxiv",
    "version": 1
  }
}