Pith Number

pith:OPYA5ASX

pith:1993:OPYA5ASXGW6SHQTCPYFY2GDMGV

not attested not anchored not stored refs pending

Skewness as a Test of Non-Gaussian Primordial Density Fluctuations

A. Messina, F. Lucchin, L. Moscardini, P. Coles, S. Matarrese

arxiv:astro-ph/9302015 v1 · 1993-02-24 · 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{OPYA5ASXGW6SHQTCPYFY2GDMGV}

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	2026-05-18T01:40:26.754178Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73f00e825735bd23c2627e0b8d186c35587c0bc960ae584d4bb5bc86b53b1f11

Aliases

arxiv: astro-ph/9302015 · arxiv_version: astro-ph/9302015v1 · doi: 10.48550/arxiv.astro-ph/9302015 · pith_short_12: OPYA5ASXGW6S · pith_short_16: OPYA5ASXGW6SHQTC · pith_short_8: OPYA5ASX

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/OPYA5ASXGW6SHQTCPYFY2GDMGV \
  | 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: 73f00e825735bd23c2627e0b8d186c35587c0bc960ae584d4bb5bc86b53b1f11

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "388e0896985e2cc475ccf2d90d3682635dfbfc8db3534c6bcfc09405eb7122de",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1993-02-24T14:05:33Z",
    "title_canon_sha256": "241279e21162fb6642200bf8d8f5f3bd1cdc70c8e71a27fdf4ffa19ade03ec8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9302015",
    "kind": "arxiv",
    "version": 1
  }
}