Pith Number

pith:G2VKLB4R

pith:2013:G2VKLB4R23SHOJOURT4YJDLBQ3

not attested not anchored not stored refs pending

An Approximate, Efficient Solver for LP Rounding

Ce Zhang, Christopher R\'e, Ji Liu, Srikrishna Sridhar, Stephen J. Wright, Victor Bittorf

arxiv:1311.2661 v2 · 2013-11-12 · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G2VKLB4R23SHOJOURT4YJDLBQ3}

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	2026-05-18T03:06:54.085403Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

36aaa58791d6e47725d48cf9848d6186e8da09df81b33897405a335d6d6cebb2

Aliases

arxiv: 1311.2661 · arxiv_version: 1311.2661v2 · doi: 10.48550/arxiv.1311.2661 · pith_short_12: G2VKLB4R23SH · pith_short_16: G2VKLB4R23SHOJOU · pith_short_8: G2VKLB4R

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/G2VKLB4R23SHOJOURT4YJDLBQ3 \
  | 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: 36aaa58791d6e47725d48cf9848d6186e8da09df81b33897405a335d6d6cebb2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4bd3cbe8bd7b43d70055cf9d819d61152bd313664b8453c089c75fddb9196d1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2013-11-12T02:23:43Z",
    "title_canon_sha256": "ab5926032fb6b8a3e088bbc13f7ee470f06c3fc8ec924b02dc1566f706fdb74a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.2661",
    "kind": "arxiv",
    "version": 2
  }
}