Pith Number

pith:P36XBGCG

pith:2011:P36XBGCG2RRD3NJLNNRA5KAIFE

not attested not anchored not stored refs pending

A Systematic Approach to Bound Factor-Revealing LPs and its Application to the Metric and Squared Metric Facility Location Problems

Cristina G. Fernandes, Fl\'avio K. Miyazawa, Lehilton L. C. Pedrosa, Lu\'is A. A. Meira

arxiv:1111.1672 v3 · 2011-11-07 · 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{P36XBGCG2RRD3NJLNNRA5KAIFE}

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	2026-05-18T02:21:34.847275Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7efd709846d4623db52b6b620ea808290f1fe6cdce854420c777a71b32a86099

Aliases

arxiv: 1111.1672 · arxiv_version: 1111.1672v3 · doi: 10.48550/arxiv.1111.1672 · pith_short_12: P36XBGCG2RRD · pith_short_16: P36XBGCG2RRD3NJL · pith_short_8: P36XBGCG

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/P36XBGCG2RRD3NJLNNRA5KAIFE \
  | 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: 7efd709846d4623db52b6b620ea808290f1fe6cdce854420c777a71b32a86099

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "540f58d79ccf82c4b8c8417355ea539f7c5412702388617634dcd93fa1e58d1e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2011-11-07T18:37:12Z",
    "title_canon_sha256": "3b4c09d306002200dbfa0bc0a32935c77b2af84b952ff77d342f7d49ded03ab6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.1672",
    "kind": "arxiv",
    "version": 3
  }
}