Pith Number

pith:2BPJRBES

pith:2018:2BPJRBESTSNUQAC2B2Q57SKCKI

not attested not anchored not stored refs pending

Minimax Estimation of Quadratic Fourier Functionals

Barnab\'as P\'oczos, Bharath K. Sriperumbudur, Shashank Singh

arxiv:1803.11451 v2 · 2018-03-30 · math.ST · cs.IT · math.IT · stat.ML · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2BPJRBESTSNUQAC2B2Q57SKCKI}

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	2026-05-18T00:06:40.300791Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d05e9884929c9b48005a0ea1dfc942521889568e6027f7019713d22c4899890a

Aliases

arxiv: 1803.11451 · arxiv_version: 1803.11451v2 · doi: 10.48550/arxiv.1803.11451 · pith_short_12: 2BPJRBESTSNU · pith_short_16: 2BPJRBESTSNUQAC2 · pith_short_8: 2BPJRBES

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/2BPJRBESTSNUQAC2B2Q57SKCKI \
  | 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: d05e9884929c9b48005a0ea1dfc942521889568e6027f7019713d22c4899890a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f181cf8a28f81ca6d7776d1887f3cd5a450809f412dfd640cdb01065b6d4ff1",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT",
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2018-03-30T13:41:42Z",
    "title_canon_sha256": "3ca4fa62e6907d256830a06d78dd07275a3257307aaf40e2d5b462c30a2b12af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.11451",
    "kind": "arxiv",
    "version": 2
  }
}