Pith Number

pith:KUJWJO62

pith:2011:KUJWJO62RX4WEDTCWW7LLBGQQE

not attested not anchored not stored refs pending

Simultaneous Inference of Covariances

Han Xiao, Wei Biao Wu

arxiv:1109.0524 v1 · 2011-09-02 · 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{KUJWJO62RX4WEDTCWW7LLBGQQE}

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	2026-05-18T04:14:15.469611Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

551364bbda8df9620e62b5beb584d0812c11854a41bfbad94ef82e4c86e213bd

Aliases

arxiv: 1109.0524 · arxiv_version: 1109.0524v1 · doi: 10.48550/arxiv.1109.0524 · pith_short_12: KUJWJO62RX4W · pith_short_16: KUJWJO62RX4WEDTC · pith_short_8: KUJWJO62

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/KUJWJO62RX4WEDTCWW7LLBGQQE \
  | 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: 551364bbda8df9620e62b5beb584d0812c11854a41bfbad94ef82e4c86e213bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7cdefb1c786b79889c533b520e7bdeb975dea42f3c0c8b16650e554c22b6be41",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2011-09-02T19:15:17Z",
    "title_canon_sha256": "8a719ec82d25ae7d407a6065435bebe54ddd8f0204fc1e4762ce6d12f8c59d29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.0524",
    "kind": "arxiv",
    "version": 1
  }
}