Pith Number

pith:UEVH4MPR

pith:2010:UEVH4MPRRG24XKWAYBSYCDUSC5

not attested not anchored not stored refs pending

Online Expectation-Maximisation

Olivier Capp\'e (LTCI)

arxiv:1011.1745 v1 · 2010-11-08 · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UEVH4MPRRG24XKWAYBSYCDUSC5}

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	2026-05-18T04:36:49.961873Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a12a7e31f189b5cbaac0c065810e9217632ff2f57ff9fd4b22ff34c2043de4cc

Aliases

arxiv: 1011.1745 · arxiv_version: 1011.1745v1 · doi: 10.48550/arxiv.1011.1745 · pith_short_12: UEVH4MPRRG24 · pith_short_16: UEVH4MPRRG24XKWA · pith_short_8: UEVH4MPR

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/UEVH4MPRRG24XKWAYBSYCDUSC5 \
  | 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: a12a7e31f189b5cbaac0c065810e9217632ff2f57ff9fd4b22ff34c2043de4cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "780a3d0688d52e4ce5d48308d7436749e28f095e294bf745c4b6e97e17c3d69c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2010-11-08T10:01:57Z",
    "title_canon_sha256": "72e97171bb3e30336171cfd2d3e3d119f9dedc324c9bbaa8c60a45acff63376d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.1745",
    "kind": "arxiv",
    "version": 1
  }
}