Pith Number

pith:7LQVFWU2

pith:2014:7LQVFWU2ZLNRWIK56ESG7BO46K

not attested not anchored not stored refs pending

Extended Formulation Lower Bounds via Hypergraph Coloring?

Stavros G. Kolliopoulos, Yannis Moysoglou

arxiv:1410.1150 v2 · 2014-10-05 · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7LQVFWU2ZLNRWIK56ESG7BO46K}

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	2026-05-18T02:30:17.595636Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fae152da9acadb1b215df1246f85dcf29c23984151a9c838f33a62470acee29c

Aliases

arxiv: 1410.1150 · arxiv_version: 1410.1150v2 · doi: 10.48550/arxiv.1410.1150 · pith_short_12: 7LQVFWU2ZLNR · pith_short_16: 7LQVFWU2ZLNRWIK5 · pith_short_8: 7LQVFWU2

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/7LQVFWU2ZLNRWIK56ESG7BO46K \
  | 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: fae152da9acadb1b215df1246f85dcf29c23984151a9c838f33a62470acee29c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fdfb3db409cbeb7332f9b02dbb8a041b28699b20bf1494d5d41086d07c5c808d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2014-10-05T12:03:08Z",
    "title_canon_sha256": "570cc6cb03acb368fe75bcc66ecdf883ad119bc846dc793ffcbcd8cb92cea785"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.1150",
    "kind": "arxiv",
    "version": 2
  }
}