Pith Number

pith:QJK7Y7BU

pith:2011:QJK7Y7BUZUKVLE3MEZO546FLTA

not attested not anchored not stored refs pending

Rounding Semidefinite Programming Hierarchies via Global Correlation

Boaz Barak, David Steurer, Prasad Raghavendra

arxiv:1104.4680 v1 · 2011-04-25 · cs.DS · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QJK7Y7BUZUKVLE3MEZO546FLTA}

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	2026-05-18T04:23:33.638504Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8255fc7c34cd1555936c265dde78ab981106cdeba56808c07b676889401ce94d

Aliases

arxiv: 1104.4680 · arxiv_version: 1104.4680v1 · doi: 10.48550/arxiv.1104.4680 · pith_short_12: QJK7Y7BUZUKV · pith_short_16: QJK7Y7BUZUKVLE3M · pith_short_8: QJK7Y7BU

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/QJK7Y7BUZUKVLE3MEZO546FLTA \
  | 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: 8255fc7c34cd1555936c265dde78ab981106cdeba56808c07b676889401ce94d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12749adb540dc4120aa3d1293934366afe070c70c8a936371c3ea60483c7c5bf",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2011-04-25T04:58:50Z",
    "title_canon_sha256": "ebb68282b3537d475f006f57461707c2e8a4f50883b3145d09606e669d157e95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.4680",
    "kind": "arxiv",
    "version": 1
  }
}