pith. sign in
Pith Number

pith:3227JTXP

pith:2012:3227JTXPIQU7WD4HEJB6QHGAHS
not attested not anchored not stored refs pending

Quasi-polynomial Hitting-set for Set-depth-Delta Formulas

Chandan Saha, Manindra Agrawal, Nitin Saxena

arxiv:1209.2333 v1 · 2012-09-11 · cs.CC

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{3227JTXPIQU7WD4HEJB6QHGAHS}

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 2026-05-18T03:45:52.172756Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

deb5f4ceef4429fb0f872243e81cc03c85f17356655e5bed3846cb307f5f1694

Aliases

arxiv: 1209.2333 · arxiv_version: 1209.2333v1 · doi: 10.48550/arxiv.1209.2333 · pith_short_12: 3227JTXPIQU7 · pith_short_16: 3227JTXPIQU7WD4H · pith_short_8: 3227JTXP
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/3227JTXPIQU7WD4HEJB6QHGAHS \
  | 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: deb5f4ceef4429fb0f872243e81cc03c85f17356655e5bed3846cb307f5f1694
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "0501a70a99993904e2ed945a95800dc635f897b65981bafb6fa62f144c9f0a84",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2012-09-11T14:39:37Z",
    "title_canon_sha256": "b54e33248fc75027b17ea1bb7f110df7b1bd6d82fa9f610af4ecce6a0c893fe9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.2333",
    "kind": "arxiv",
    "version": 1
  }
}