Pith Number

pith:SJXMAY2A

pith:2012:SJXMAY2AYFGB33PCBILRQER5RT

not attested not anchored not stored refs pending

Better subset regression

Shifeng Xiong

arxiv:1212.0634 v2 · 2012-12-04 · stat.ME · math.ST · stat.CO · 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{SJXMAY2AYFGB33PCBILRQER5RT}

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	2026-05-18T03:30:27.694894Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

926ec06340c14c1dede20a1718123d8cc21645aead7832eb271daa3824c4f32d

Aliases

arxiv: 1212.0634 · arxiv_version: 1212.0634v2 · doi: 10.48550/arxiv.1212.0634 · pith_short_12: SJXMAY2AYFGB · pith_short_16: SJXMAY2AYFGB33PC · pith_short_8: SJXMAY2A

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/SJXMAY2AYFGB33PCBILRQER5RT \
  | 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: 926ec06340c14c1dede20a1718123d8cc21645aead7832eb271daa3824c4f32d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f6b0cee1cb474f1ed8b245ce50bc874df1e2bba41d5323a334a256cc974c724",
    "cross_cats_sorted": [
      "math.ST",
      "stat.CO",
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2012-12-04T07:49:48Z",
    "title_canon_sha256": "931af52bbae89938d2fdd5143dadbc246d614cc1b0d92acee38cda873fbea04a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.0634",
    "kind": "arxiv",
    "version": 2
  }
}