Pith Number

pith:57WU3GUJ

pith:2013:57WU3GUJFKRVSI3ECJD5CENRDL

not attested not anchored not stored refs pending

Sublinear expectation linear regression

Lu Lin, Shuzhen Yang, Xin Wang, Yufeng Shi

arxiv:1304.3559 v1 · 2013-04-12 · math.ST · 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{57WU3GUJFKRVSI3ECJD5CENRDL}

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	2026-05-18T03:28:07.265630Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

efed4d9a892aa35923641247d111b11ac123f555624436bde4aca9b47c989715

Aliases

arxiv: 1304.3559 · arxiv_version: 1304.3559v1 · doi: 10.48550/arxiv.1304.3559 · pith_short_12: 57WU3GUJFKRV · pith_short_16: 57WU3GUJFKRVSI3E · pith_short_8: 57WU3GUJ

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/57WU3GUJFKRVSI3ECJD5CENRDL \
  | 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: efed4d9a892aa35923641247d111b11ac123f555624436bde4aca9b47c989715

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f75f6bf440e1413ec3b342255c33a14f76db9cc06381b875197551b44413e71",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2013-04-12T07:52:42Z",
    "title_canon_sha256": "087699d46c7c903ae956d10aa061dcf802dc4c73f2783147a5f9a0915379959b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.3559",
    "kind": "arxiv",
    "version": 1
  }
}