Pith Number

pith:QOV3XPRU

pith:2010:QOV3XPRUCAUDZVFJSBMFCPKRV4

not attested not anchored not stored refs pending

Parallel approximation of min-max problems

Gus Gutoski, Xiaodi Wu

arxiv:1011.2787 v3 · 2010-11-11 · quant-ph · 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{QOV3XPRUCAUDZVFJSBMFCPKRV4}

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	2026-05-18T02:23:36.942663Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83abbbbe3410283cd4a99058513d51af230f7738a6da21e3654e2c54b3d0d19a

Aliases

arxiv: 1011.2787 · arxiv_version: 1011.2787v3 · doi: 10.48550/arxiv.1011.2787 · pith_short_12: QOV3XPRUCAUD · pith_short_16: QOV3XPRUCAUDZVFJ · pith_short_8: QOV3XPRU

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/QOV3XPRUCAUDZVFJSBMFCPKRV4 \
  | 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: 83abbbbe3410283cd4a99058513d51af230f7738a6da21e3654e2c54b3d0d19a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29c81983d6ddf09c796ed64a69707c3f5b7c17176647f5a6086381556a8b9682",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-11-11T22:39:13Z",
    "title_canon_sha256": "0fb305c2e4ff9aa6a1e212cb0f0fd956afa184760d512ca395641f5d0354fc40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.2787",
    "kind": "arxiv",
    "version": 3
  }
}