Pith Number

pith:ILX4XTOH

pith:2013:ILX4XTOHJK7R2MFJ2USUTQZ4JY

not attested not anchored not stored refs pending

Complete Solutions for a Combinatorial Puzzle in Linear Time

Daxin Zhu, Lei Wang, Xiaodong Wang, Yingjie Wu

arxiv:1307.4543 v1 · 2013-07-17 · 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{ILX4XTOHJK7R2MFJ2USUTQZ4JY}

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	2026-05-18T03:18:17.680438Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42efcbcdc74abf1d30a9d52549c33c4e07dbe61cca91ec98c89666a60547c4d6

Aliases

arxiv: 1307.4543 · arxiv_version: 1307.4543v1 · doi: 10.48550/arxiv.1307.4543 · pith_short_12: ILX4XTOHJK7R · pith_short_16: ILX4XTOHJK7R2MFJ · pith_short_8: ILX4XTOH

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/ILX4XTOHJK7R2MFJ2USUTQZ4JY \
  | 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: 42efcbcdc74abf1d30a9d52549c33c4e07dbe61cca91ec98c89666a60547c4d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d822fc8afa2a838c5f8e65f90ac0212f1d9bfb098329bebe644b94548cdfda1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-07-17T08:59:38Z",
    "title_canon_sha256": "977bec8a3f8c5fedfa0193dd4099204dd38e26f507da9c623877bd9224435c29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.4543",
    "kind": "arxiv",
    "version": 1
  }
}