Pith Number

pith:SPL7CC7T

pith:2011:SPL7CC7T3DY6VUQH56SDWME52G

not attested not anchored not stored refs pending

Primordial Non-Gaussianity and Extreme-Value Statistics of Galaxy Clusters

Joseph Silk (Oxford), Sirichai Chongchitnan

arxiv:1107.5617 v2 · 2011-07-28 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SPL7CC7T3DY6VUQH56SDWME52G}

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	2026-05-18T02:01:08.586810Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93d7f10bf3d8f1ead207efa43b309dd1829527840394850f998b9a416411a83d

Aliases

arxiv: 1107.5617 · arxiv_version: 1107.5617v2 · doi: 10.48550/arxiv.1107.5617 · pith_short_12: SPL7CC7T3DY6 · pith_short_16: SPL7CC7T3DY6VUQH · pith_short_8: SPL7CC7T

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/SPL7CC7T3DY6VUQH56SDWME52G \
  | 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: 93d7f10bf3d8f1ead207efa43b309dd1829527840394850f998b9a416411a83d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a0c76ecbacf149c3947714e89a2ee3d205e1d6cd61ebcbf09cb85691043b71b",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-07-28T02:14:39Z",
    "title_canon_sha256": "c1bfc2ad06761a6de6bee28d84e6e414905522e2d6fd2ac0361e560596846b17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.5617",
    "kind": "arxiv",
    "version": 2
  }
}