Pith Number

pith:6SYIXO7Q

pith:2019:6SYIXO7QYAJZ74FJEXDCHRXHV2

not attested not anchored not stored refs pending

An information criterion for auxiliary variable selection in incomplete data analysis

Hidetoshi Shimodaira, Shinpei Imori

arxiv:1902.07954 v2 · 2019-02-21 · stat.ME · math.ST · stat.ML · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6SYIXO7QYAJZ74FJEXDCHRXHV2}

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	2026-05-17T23:50:08.056778Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f4b08bbbf0c0139ff0a925c623c6e7aebc4709d6bc1b4fb00673efd28561e93d

Aliases

arxiv: 1902.07954 · arxiv_version: 1902.07954v2 · doi: 10.48550/arxiv.1902.07954 · pith_short_12: 6SYIXO7QYAJZ · pith_short_16: 6SYIXO7QYAJZ74FJ · pith_short_8: 6SYIXO7Q

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/6SYIXO7QYAJZ74FJEXDCHRXHV2 \
  | 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: f4b08bbbf0c0139ff0a925c623c6e7aebc4709d6bc1b4fb00673efd28561e93d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2cb0e68ff824753e612d0233a07805084901fa7bddddcb8b3f2c822dd68ecffe",
    "cross_cats_sorted": [
      "math.ST",
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2019-02-21T10:47:53Z",
    "title_canon_sha256": "89af7f6614722deb3548026eafaa7bae1a88e0c6b454ea26f844c3d1892db420"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.07954",
    "kind": "arxiv",
    "version": 2
  }
}