Pith Number

pith:XZ6M6LPI

pith:2013:XZ6M6LPI4VI4I7BDMLUUWGVOYI

not attested not anchored not stored refs pending

Solving Linear Programming with Constraints Unknown

Ning Chen, Shengyu Zhang, Xiaohui Bei

arxiv:1304.1247 v2 · 2013-04-04 · cs.DS · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XZ6M6LPI4VI4I7BDMLUUWGVOYI}

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	2026-05-18T03:07:20.878622Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be7ccf2de8e551c47c2362e94b1aaec22d9d13db5299a6568f93786f7f1c3176

Aliases

arxiv: 1304.1247 · arxiv_version: 1304.1247v2 · doi: 10.48550/arxiv.1304.1247 · pith_short_12: XZ6M6LPI4VI4 · pith_short_16: XZ6M6LPI4VI4I7BD · pith_short_8: XZ6M6LPI

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/XZ6M6LPI4VI4I7BDMLUUWGVOYI \
  | 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: be7ccf2de8e551c47c2362e94b1aaec22d9d13db5299a6568f93786f7f1c3176

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78eba1f421f9238f5b58656f200a5262029d0977d5a9d1a6f7ff541f389e5b08",
    "cross_cats_sorted": [
      "cs.CG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-04-04T05:32:33Z",
    "title_canon_sha256": "14c32c8575f8bb7cce681c0315324cbc568408c6f81c155717889296dc221406"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.1247",
    "kind": "arxiv",
    "version": 2
  }
}