Pith Number

pith:6NWATHPS

pith:2015:6NWATHPSPTYUWNHUI5AH77BACU

not attested not anchored not stored refs pending

Quantized Nonparametric Estimation over Sobolev Ellipsoids

John Lafferty, Yuancheng Zhu

arxiv:1503.07368 v3 · 2015-03-25 · math.ST · 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{6NWATHPSPTYUWNHUI5AH77BACU}

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	2026-05-18T00:46:32.226910Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f36c099df27cf14b34f447407ffc2015150e805d3e83f06f6d5a1d44384c8c8b

Aliases

arxiv: 1503.07368 · arxiv_version: 1503.07368v3 · doi: 10.48550/arxiv.1503.07368 · pith_short_12: 6NWATHPSPTYU · pith_short_16: 6NWATHPSPTYUWNHU · pith_short_8: 6NWATHPS

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/6NWATHPSPTYUWNHUI5AH77BACU \
  | 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: f36c099df27cf14b34f447407ffc2015150e805d3e83f06f6d5a1d44384c8c8b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6808f8dc266893932aeadff4fc625a601233e223d4096485d653afa489e0f041",
    "cross_cats_sorted": [
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2015-03-25T13:08:49Z",
    "title_canon_sha256": "266c986467320dfcc3adf8a8da75d6b60c4fd13c3cad97a302d84a747bd9677c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.07368",
    "kind": "arxiv",
    "version": 3
  }
}