Pith Number

pith:LJJXZBNV

pith:2010:LJJXZBNVBV4XRHO6GNFBX5ASFW

not attested not anchored not stored refs pending

Variational approximation for heteroscedastic linear models and matching pursuit algorithms

Chenlei Leng, David J. Nott, Minh-Ngoc Tran

arxiv:1011.4832 v3 · 2010-11-22 · stat.ME · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LJJXZBNVBV4XRHO6GNFBX5ASFW}

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	2026-05-18T02:58:01.457396Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a537c85b50d79789dde334a1bf4122dbbbc1845cff8e6205b9eb3d09d813dcf

Aliases

arxiv: 1011.4832 · arxiv_version: 1011.4832v3 · doi: 10.48550/arxiv.1011.4832 · pith_short_12: LJJXZBNVBV4X · pith_short_16: LJJXZBNVBV4XRHO6 · pith_short_8: LJJXZBNV

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/LJJXZBNVBV4XRHO6GNFBX5ASFW \
  | 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: 5a537c85b50d79789dde334a1bf4122dbbbc1845cff8e6205b9eb3d09d813dcf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a51ad464034f08882a0e8c93e9f231e7f48c2dc44d1b30a322ca1a722368a21",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2010-11-22T14:55:45Z",
    "title_canon_sha256": "11888748bf89b256d36c1153a7fcdc8be9194b8fe4df3a821b94aa67e7f4aa0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.4832",
    "kind": "arxiv",
    "version": 3
  }
}