Pith Number

pith:3LQQ6XR4

pith:2007:3LQQ6XR44BB35EVNQT7Q2IHWLO

not attested not anchored not stored refs pending

Active Set and EM Algorithms for Log-Concave Densities Based on Complete and Censored Data

Andre Huesler, Kaspar Rufibach, Lutz Duembgen

arxiv:0707.4643 v4 · 2007-07-31 · stat.ME · 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{3LQQ6XR44BB35EVNQT7Q2IHWLO}

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	2026-05-18T04:26:33.546355Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dae10f5e3ce043be92ad84ff0d20f65b8f9cb9f0e06f53662c512caa1313ddff

Aliases

arxiv: 0707.4643 · arxiv_version: 0707.4643v4 · doi: 10.48550/arxiv.0707.4643 · pith_short_12: 3LQQ6XR44BB3 · pith_short_16: 3LQQ6XR44BB35EVN · pith_short_8: 3LQQ6XR4

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/3LQQ6XR44BB35EVNQT7Q2IHWLO \
  | 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: dae10f5e3ce043be92ad84ff0d20f65b8f9cb9f0e06f53662c512caa1313ddff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ae7c82bae323bd97d362eef5f502e17cd1bf7774d1d03f10aeaa431a3e09367",
    "cross_cats_sorted": [
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2007-07-31T15:47:44Z",
    "title_canon_sha256": "296ad176f53b9880c1dbf9151c5c304dd0e09a0a0fc36d7ddddcfe175c69fbde"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0707.4643",
    "kind": "arxiv",
    "version": 4
  }
}