pith. sign in
Pith Number

pith:UN3B3C4B

pith:2010:UN3B3C4BH7UJ64YRIZK3LSZKJQ
not attested not anchored not stored refs pending

Free Quadratic Harness

Jacek Weso{\l}owski, Wlodzimierz Bryc, Wojciech Matysiak

arxiv:1003.4771 v2 · 2010-03-24 · math.PR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{UN3B3C4BH7UJ64YRIZK3LSZKJQ}

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 2026-05-18T04:13:45.888272Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a3761d8b813fe89f73114655b5cb2a4c118c47f1e9040f4cfa21845b41c6837a

Aliases

arxiv: 1003.4771 · arxiv_version: 1003.4771v2 · doi: 10.48550/arxiv.1003.4771 · pith_short_12: UN3B3C4BH7UJ · pith_short_16: UN3B3C4BH7UJ64YR · pith_short_8: UN3B3C4B
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/UN3B3C4BH7UJ64YRIZK3LSZKJQ \
  | 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: a3761d8b813fe89f73114655b5cb2a4c118c47f1e9040f4cfa21845b41c6837a
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "4d08cbf47b25687a913ab7509469945f49aca62d6e135572293f5b9bf6496d25",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2010-03-24T22:55:24Z",
    "title_canon_sha256": "a14f58262333db91537ae2cc115e8ea1fb8417f58ae5ec616aa8f9749a4cb673"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.4771",
    "kind": "arxiv",
    "version": 2
  }
}