Pith Number

pith:IDH63MBQ

pith:2013:IDH63MBQFPNHGTCNDWQYFZLHAD

not attested not anchored not stored refs pending

Sparse sampling, galaxy bias, and voids

Benjamin D. Wandelt, David H. Weinberg, Guilhem Lavaux, Michael S. Warren, Nico Hamaus, P.M. Sutter

arxiv:1309.5087 v3 · 2013-09-19 · 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{IDH63MBQFPNHGTCNDWQYFZLHAD}

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	2026-05-18T01:47:35.338744Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40cfedb0302bda734c4d1da182e56700d40a1c646b1c1d56d4821ab802f9a887

Aliases

arxiv: 1309.5087 · arxiv_version: 1309.5087v3 · doi: 10.48550/arxiv.1309.5087 · pith_short_12: IDH63MBQFPNH · pith_short_16: IDH63MBQFPNHGTCN · pith_short_8: IDH63MBQ

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/IDH63MBQFPNHGTCNDWQYFZLHAD \
  | 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: 40cfedb0302bda734c4d1da182e56700d40a1c646b1c1d56d4821ab802f9a887

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99ec9d8b79e76c4e3552ff37045ccc1c4457fc0aed7b763b7068904cf1c5c66a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-09-19T20:00:03Z",
    "title_canon_sha256": "2e3d8638171a25a063535912403fd05742c307740fe8584c64e9704381cb2021"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.5087",
    "kind": "arxiv",
    "version": 3
  }
}