Pith Number

pith:YAA27YA3

pith:2012:YAA27YA3WQ2ZXWNHCFB3YSEDIJ

not attested not anchored not stored refs pending

An imputation method for estimating the learning curve in classification problems

Eric B. Laber, Kerby Shedden, Yang Yang

arxiv:1203.2879 v1 · 2012-03-13 · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YAA27YA3WQ2ZXWNHCFB3YSEDIJ}

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	2026-05-18T04:00:14.314365Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c001afe01bb4359bd9a71143bc48834271bc09e657327121575d5bce8b9dc439

Aliases

arxiv: 1203.2879 · arxiv_version: 1203.2879v1 · doi: 10.48550/arxiv.1203.2879 · pith_short_12: YAA27YA3WQ2Z · pith_short_16: YAA27YA3WQ2ZXWNH · pith_short_8: YAA27YA3

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/YAA27YA3WQ2ZXWNHCFB3YSEDIJ \
  | 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: c001afe01bb4359bd9a71143bc48834271bc09e657327121575d5bce8b9dc439

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a9d3c89da034c601ffe8e08fcc714d790217e1013b7b99f574686f984b2d4a6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2012-03-13T18:02:05Z",
    "title_canon_sha256": "a4ff76202907996bbb513ad9a537089dade99cb1acfc4fee1ebc92b5a50b044a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.2879",
    "kind": "arxiv",
    "version": 1
  }
}