Pith Number

pith:NEMEM6OQ

pith:2014:NEMEM6OQ3G3YNPS4KB2UKT2TP6

not attested not anchored not stored refs pending

Direct Density-Derivative Estimation and Its Application in KL-Divergence Approximation

Hiroaki Sasaki, Masashi Sugiyama, Yung-Kyun Noh

arxiv:1406.7638 v1 · 2014-06-30 · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NEMEM6OQ3G3YNPS4KB2UKT2TP6}

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	2026-05-18T02:48:44.570729Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69184679d0d9b786be5c5075454f537f8ff7e70744fc34ece47acfcc5d77b02d

Aliases

arxiv: 1406.7638 · arxiv_version: 1406.7638v1 · doi: 10.48550/arxiv.1406.7638 · pith_short_12: NEMEM6OQ3G3Y · pith_short_16: NEMEM6OQ3G3YNPS4 · pith_short_8: NEMEM6OQ

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/NEMEM6OQ3G3YNPS4KB2UKT2TP6 \
  | 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: 69184679d0d9b786be5c5075454f537f8ff7e70744fc34ece47acfcc5d77b02d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2985834526c0c5b864075095c8c1572d6046b506116b752b8560a9266f0abac9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2014-06-30T09:06:03Z",
    "title_canon_sha256": "5bb24aeee6edc93fa1ceb3fb0a6e55e1967e007618c901bca9ad52f11aec1e5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.7638",
    "kind": "arxiv",
    "version": 1
  }
}