Pith Number

pith:4ICKCJCR

pith:2017:4ICKCJCRW6E2CCVOSLRDX26CUH

not attested not anchored not stored refs pending

A Tutorial on Kernel Density Estimation and Recent Advances

Yen-Chi Chen

arxiv:1704.03924 v2 · 2017-04-12 · stat.ME · stat.OT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4ICKCJCRW6E2CCVOSLRDX26CUH}

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	2026-05-18T00:35:34.070974Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e204a12451b789a10aae92e23bebc2a1d56cd0a8939f0bbc9f11b1cb8a39d899

Aliases

arxiv: 1704.03924 · arxiv_version: 1704.03924v2 · doi: 10.48550/arxiv.1704.03924 · pith_short_12: 4ICKCJCRW6E2 · pith_short_16: 4ICKCJCRW6E2CCVO · pith_short_8: 4ICKCJCR

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/4ICKCJCRW6E2CCVOSLRDX26CUH \
  | 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: e204a12451b789a10aae92e23bebc2a1d56cd0a8939f0bbc9f11b1cb8a39d899

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f353ec8bdb985f996f714e507e9d47ac50fc5401464e7117ae4c7faabc520694",
    "cross_cats_sorted": [
      "stat.OT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2017-04-12T20:45:38Z",
    "title_canon_sha256": "ce86a9fc306e54e8595207aa48dddf4853802a36424890edcfd5203bca194452"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.03924",
    "kind": "arxiv",
    "version": 2
  }
}