Pith Number

pith:JWQD6DUW

pith:2010:JWQD6DUWDRC4TGD5UIWAXANYCF

not attested not anchored not stored refs pending

Unfolding the Hierarchy of Voids

A.S. Szalay, E. Platen, M.A. Aragon-Calvo, P. Araya-Melo, R. van de Weygaert

arxiv:1002.1503 v1 · 2010-02-08 · astro-ph.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{JWQD6DUWDRC4TGD5UIWAXANYCF}

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	2026-05-18T02:09:18.486524Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4da03f0e961c45c9987da22c0b81b8115186a8d21cf9eec061f4ad0aac333859

Aliases

arxiv: 1002.1503 · arxiv_version: 1002.1503v1 · doi: 10.48550/arxiv.1002.1503 · pith_short_12: JWQD6DUWDRC4 · pith_short_16: JWQD6DUWDRC4TGD5 · pith_short_8: JWQD6DUW

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/JWQD6DUWDRC4TGD5UIWAXANYCF \
  | 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: 4da03f0e961c45c9987da22c0b81b8115186a8d21cf9eec061f4ad0aac333859

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8aae29d3b0eb76e46b39e8a5cae36d35fc82d3fca35fbfd29a6a9bc23086dd33",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-02-08T01:28:21Z",
    "title_canon_sha256": "c8e1aece1ad1f086f9df191d8bd27d972796ea96cd378824c86ce06fede04754"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.1503",
    "kind": "arxiv",
    "version": 1
  }
}