Pith Number

pith:YYY4VGTL

pith:2004:YYY4VGTLYDWKXYBSWR2JOC4KW7

not attested not anchored not stored refs pending

Mean squared error of empirical predictor

Jiming Jiang, J. N. K. Rao, Kalyan Das

arxiv:math/0406455 v1 · 2004-06-23 · 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{YYY4VGTLYDWKXYBSWR2JOC4KW7}

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	2026-07-04T15:01:53.968217Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c631ca9a6bc0ecabe032b474970b8ab7c64a92ec39825946b6a4f93744b9ecf2

Aliases

arxiv: math/0406455 · arxiv_version: math/0406455v1 · doi: 10.48550/arxiv.math/0406455 · pith_short_12: YYY4VGTLYDWK · pith_short_16: YYY4VGTLYDWKXYBS · pith_short_8: YYY4VGTL

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/YYY4VGTLYDWKXYBSWR2JOC4KW7 \
  | 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: c631ca9a6bc0ecabe032b474970b8ab7c64a92ec39825946b6a4f93744b9ecf2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f3c18373ab926f9a709502b1c39e5bb23d9d00012f5803e2942977156d06c6d8",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "",
    "primary_cat": "math.ST",
    "submitted_at": "2004-06-23T08:03:59Z",
    "title_canon_sha256": "dae766d819debd39a74abb08aa5f3566cee1bfce813cb9caeb012068b48a4662"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0406455",
    "kind": "arxiv",
    "version": 1
  }
}