Pith Number

pith:A6WQNLGC

pith:2017:A6WQNLGCHEDLZYZRLOL26MUGNJ

not attested not anchored not stored refs pending

Random Forest Missing Data Algorithms

Fei Tang, Hemant Ishwaran

arxiv:1701.05305 v2 · 2017-01-19 · 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{A6WQNLGCHEDLZYZRLOL26MUGNJ}

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	2026-05-18T00:52:29.162462Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07ad06acc23906bce3315b97af32866a563f6039fc32857c57290ac89f93b7ef

Aliases

arxiv: 1701.05305 · arxiv_version: 1701.05305v2 · doi: 10.48550/arxiv.1701.05305 · pith_short_12: A6WQNLGCHEDL · pith_short_16: A6WQNLGCHEDLZYZR · pith_short_8: A6WQNLGC

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/A6WQNLGCHEDLZYZRLOL26MUGNJ \
  | 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: 07ad06acc23906bce3315b97af32866a563f6039fc32857c57290ac89f93b7ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb9af8e42d90f10de8d61844fa6bae4207567c53163063c4826ddcd8d99d78f5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2017-01-19T05:58:05Z",
    "title_canon_sha256": "d060d7cd31a7ba63df746de9ad93820256a5d7132ed43df67f60ae5b4eb93a50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.05305",
    "kind": "arxiv",
    "version": 2
  }
}