Pith Number

pith:DVEUIY6S

pith:1998:DVEUIY6S6VDSDHBNY5NF3ZV37P

not attested not anchored not stored refs pending

Non-Gaussian Chi-squared method with the multivariate Edgeworth expansion

Luca Amendola

arxiv:astro-ph/9810198 v1 · 1998-10-13 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DVEUIY6S6VDSDHBNY5NF3ZV37P}

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	2026-07-04T14:16:06.466898Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d494463d2f547219c2dc75a5de6bbfbf9086dea9fa377d6d3b0bdd540ee2b95

Aliases

arxiv: astro-ph/9810198 · arxiv_version: astro-ph/9810198v1 · doi: 10.48550/arxiv.astro-ph/9810198 · pith_short_12: DVEUIY6S6VDS · pith_short_16: DVEUIY6S6VDSDHBN · pith_short_8: DVEUIY6S

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/DVEUIY6S6VDSDHBNY5NF3ZV37P \
  | 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: 1d494463d2f547219c2dc75a5de6bbfbf9086dea9fa377d6d3b0bdd540ee2b95

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "860867141a5c3afb0c0de7c757525ca35cd4c63df412ce97365788ca4c45d5d2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-10-13T13:56:48Z",
    "title_canon_sha256": "3da32c1ed0767003df3cc8ffeafb0cac4bf7c2efa2f377a051bb550de282f6ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9810198",
    "kind": "arxiv",
    "version": 1
  }
}