Pith Number

pith:2OZG4OPI

pith:2010:2OZG4OPIVG3JLGKKKQQBC56Q62

not attested not anchored not stored refs pending

Fossil evidence for spin alignment of SDSS galaxies in filaments

(2) Dept. Physics & Astronomy, Baltimore, Bernard J.T. Jones (1), Groningen, Miguel A. Aragon-Calvo (2) ((1) Kapteyn Astronomical Institute, Rien van de Weygaert (1), The Johns Hopkins University, The Netherlands, University of Groningen, U.S.A.)

arxiv:1001.4479 v2 · 2010-01-25 · 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{2OZG4OPIVG3JLGKKKQQBC56Q62}

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	2026-05-18T02:09:30.309299Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3b26e39e8a9b695994a54201177d0f6819d98af808b908e905f1a415e1ce35d

Aliases

arxiv: 1001.4479 · arxiv_version: 1001.4479v2 · doi: 10.48550/arxiv.1001.4479 · pith_short_12: 2OZG4OPIVG3J · pith_short_16: 2OZG4OPIVG3JLGKK · pith_short_8: 2OZG4OPI

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/2OZG4OPIVG3JLGKKKQQBC56Q62 \
  | 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: d3b26e39e8a9b695994a54201177d0f6819d98af808b908e905f1a415e1ce35d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6e7a005bf87e7bd7a0aa15db95e9dd6ef7d75ca42f1dac7958df7fa4e4780d4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-01-25T16:39:07Z",
    "title_canon_sha256": "0c8a8ddd9425c188bb6a129998e4e040589a5c0357fc062a43bb11340e4e22b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.4479",
    "kind": "arxiv",
    "version": 2
  }
}