Pith Number

pith:N3ADIEFK

pith:2019:N3ADIEFK5XNMU6VIGOIAOOUCNF

not attested not anchored not stored refs pending

Robust estimation of tree structured Gaussian Graphical Model

Ashish Katiyar, Constantine Caramanis, Jessica Hoffmann

arxiv:1901.08770 v1 · 2019-01-25 · stat.ML · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N3ADIEFK5XNMU6VIGOIAOOUCNF}

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	2026-05-17T23:55:33.160466Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ec03410aaeddaca7aa83390073a82695018032d9c889bd1e66ecde9142ba7df

Aliases

arxiv: 1901.08770 · arxiv_version: 1901.08770v1 · doi: 10.48550/arxiv.1901.08770 · pith_short_12: N3ADIEFK5XNM · pith_short_16: N3ADIEFK5XNMU6VI · pith_short_8: N3ADIEFK

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/N3ADIEFK5XNMU6VIGOIAOOUCNF \
  | 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: 6ec03410aaeddaca7aa83390073a82695018032d9c889bd1e66ecde9142ba7df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0948ef0395c5dbb89822b4dc2663bfe537e008ea1cffa3d69eec02e7dad1ab34",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2019-01-25T08:08:02Z",
    "title_canon_sha256": "a2ff1f545446e04e4d894eab14fafd46cb04e7479ce0c07c6629216153aaf934"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.08770",
    "kind": "arxiv",
    "version": 1
  }
}