Pith Number

pith:DC2LZHCE

pith:2020:DC2LZHCEHSYPHZGO4PUVCZLJLQ

not attested not anchored not stored refs pending

Explicit and recursive estimates of the Lambert W function

Lajos L\'oczi

arxiv:2008.06122 v3 · 2020-08-13 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DC2LZHCEHSYPHZGO4PUVCZLJLQ}

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.

Cited by

1 paper in Pith

Distributionally Faithful Imputation via Positive Semi-Definite Kernel Density Estimation

Receipt and verification

First computed	2026-07-05T02:41:47.852687Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18b4bc9c443cb0f3e4cee3e95165695c0347c6a9a7af7ff911af50b9d7418f25

Aliases

arxiv: 2008.06122 · arxiv_version: 2008.06122v3 · doi: 10.48550/arxiv.2008.06122 · pith_short_12: DC2LZHCEHSYP · pith_short_16: DC2LZHCEHSYPHZGO · pith_short_8: DC2LZHCE

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/DC2LZHCEHSYPHZGO4PUVCZLJLQ \
  | 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: 18b4bc9c443cb0f3e4cee3e95165695c0347c6a9a7af7ff911af50b9d7418f25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd86333ef554b7be37bbbcacbdea478a30328ac60c1d85d83b5d96ff5432115d",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2020-08-13T21:40:37Z",
    "title_canon_sha256": "68ec11a7f4aa5753ea83d60e71db9c5ef037921bbcae370e8fdde581eea60d55"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.06122",
    "kind": "arxiv",
    "version": 3
  }
}