Pith Number

pith:4V4XXOG2

pith:2011:4V4XXOG2QBMLF623ZIALD7YZXH

not attested not anchored not stored refs pending

Lasserre Hierarchy, Higher Eigenvalues, and Approximation Schemes for Quadratic Integer Programming with PSD Objectives

Ali Kemal Sinop, Venkatesan Guruswami

arxiv:1104.4746 v3 · 2011-04-25 · cs.CC · 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{4V4XXOG2QBMLF623ZIALD7YZXH}

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	2026-05-18T02:22:00.996155Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5797bb8da8058b2fb5bca00b1ff19b9e0606b0eecc903f8ef2ac43cfa2cdd72

Aliases

arxiv: 1104.4746 · arxiv_version: 1104.4746v3 · doi: 10.48550/arxiv.1104.4746 · pith_short_12: 4V4XXOG2QBML · pith_short_16: 4V4XXOG2QBMLF623 · pith_short_8: 4V4XXOG2

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/4V4XXOG2QBMLF623ZIALD7YZXH \
  | 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: e5797bb8da8058b2fb5bca00b1ff19b9e0606b0eecc903f8ef2ac43cfa2cdd72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a587e2c3c4f02df1db4131531049806d91710db2d5c27302483d71942e42f4ea",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2011-04-25T16:32:51Z",
    "title_canon_sha256": "18305b1c0c348f9af87c877002995c5eaec94f4810cf485fd16043203e51475c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.4746",
    "kind": "arxiv",
    "version": 3
  }
}