pith. sign in
Pith Number

pith:6NJNH5SC

pith:2011:6NJNH5SCER726ZS4GCVZ223SNE
not attested not anchored not stored refs pending

Singular Integrals with Flag Kernels on Homogeneous Groups: I

Alexander Nagel, Elias M. Stein, Fulvio Ricci, Stephen Wainger

arxiv:1108.0177 v1 · 2011-07-31 · math.FA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{6NJNH5SCER726ZS4GCVZ223SNE}

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 2026-05-18T04:16:31.561715Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

f352d3f642247faf665c30ab9d6b72690e4d3ecba17d08343c3ed4961a4bee34

Aliases

arxiv: 1108.0177 · arxiv_version: 1108.0177v1 · doi: 10.48550/arxiv.1108.0177 · pith_short_12: 6NJNH5SCER72 · pith_short_16: 6NJNH5SCER726ZS4 · pith_short_8: 6NJNH5SC
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/6NJNH5SCER726ZS4GCVZ223SNE \
  | 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: f352d3f642247faf665c30ab9d6b72690e4d3ecba17d08343c3ed4961a4bee34
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "624b4a2cd2f50032c2ee700a6ab935c30b5da6dc2dd5c108d39e759216801d74",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2011-07-31T14:21:37Z",
    "title_canon_sha256": "8454577c12f6b5b687e681b1373add40a24cb55c528119ff56596c944a3f2dad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.0177",
    "kind": "arxiv",
    "version": 1
  }
}