Pith Number

pith:WBRXEJUK

pith:2013:WBRXEJUKILQCVMIINOF4VK2BNH

not attested not anchored not stored refs pending

Semistochastic Quadratic Bound Methods

Aleksandr Y. Aravkin, Anna Choromanska, Dimitri Kanevsky, Tony Jebara

arxiv:1309.1369 v4 · 2013-09-05 · stat.ML · cs.LG · math.NA · 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{WBRXEJUKILQCVMIINOF4VK2BNH}

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	2026-05-18T02:58:45.811612Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b06372268a42e02ab1086b8bcaab4169e894a721b1cf535a15467ec4279a86f8

Aliases

arxiv: 1309.1369 · arxiv_version: 1309.1369v4 · doi: 10.48550/arxiv.1309.1369 · pith_short_12: WBRXEJUKILQC · pith_short_16: WBRXEJUKILQCVMII · pith_short_8: WBRXEJUK

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/WBRXEJUKILQCVMIINOF4VK2BNH \
  | 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: b06372268a42e02ab1086b8bcaab4169e894a721b1cf535a15467ec4279a86f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bac1fc634bf628cba5a97d85007aa84ca1a730f7ee438baf46d7c93fd5477997",
    "cross_cats_sorted": [
      "cs.LG",
      "math.NA",
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2013-09-05T15:12:11Z",
    "title_canon_sha256": "95d330ff43e5a72d2f66494e794cba599a1338e8d8ffca38312ff7fb8c80cfae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.1369",
    "kind": "arxiv",
    "version": 4
  }
}