Pith Number

pith:JCVQW4XO

pith:2011:JCVQW4XOVB5CZOUZ7L7YFPWLED

not attested not anchored not stored refs pending

Approximating Probability Densities by Iterated Laplace Approximations

Bj\"orn Bornkamp

arxiv:1103.3508 v1 · 2011-03-17 · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JCVQW4XOVB5CZOUZ7L7YFPWLED}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T03:46:31.902258Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48ab0b72eea87a2cba99faff82becb20f588ff5e3e9ef4305a15e84a1aa4e70b

Aliases

arxiv: 1103.3508 · arxiv_version: 1103.3508v1 · doi: 10.48550/arxiv.1103.3508 · pith_short_12: JCVQW4XOVB5C · pith_short_16: JCVQW4XOVB5CZOUZ · pith_short_8: JCVQW4XO

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/JCVQW4XOVB5CZOUZ7L7YFPWLED \
  | 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: 48ab0b72eea87a2cba99faff82becb20f588ff5e3e9ef4305a15e84a1aa4e70b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fce7e89919d74e79ec20571fe286da6aa257152584b7fd9108a85499637b8564",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2011-03-17T20:05:28Z",
    "title_canon_sha256": "38764619288df8e583a46889a93b13cf92678390dceee94577fa27538fd9f0f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.3508",
    "kind": "arxiv",
    "version": 1
  }
}