Pith Number

pith:URIZSDM2

pith:2012:URIZSDM2UO2QOWJEOGCK75PYI2

not attested not anchored not stored refs pending

Evolution of density perturbations in large void universe

Chul-Moon Yoo, Ken-ichi Nakao, Ryusuke Nishikawa

arxiv:1202.1582 v4 · 2012-02-08 · astro-ph.CO · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{URIZSDM2UO2QOWJEOGCK75PYI2}

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	2026-05-18T03:54:14.901533Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a451990d9aa3b50759247184aff5f846a40366bd90c0e4f62c5080cd6d554b3c

Aliases

arxiv: 1202.1582 · arxiv_version: 1202.1582v4 · doi: 10.48550/arxiv.1202.1582 · pith_short_12: URIZSDM2UO2Q · pith_short_16: URIZSDM2UO2QOWJE · pith_short_8: URIZSDM2

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/URIZSDM2UO2QOWJEOGCK75PYI2 \
  | 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: a451990d9aa3b50759247184aff5f846a40366bd90c0e4f62c5080cd6d554b3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74a663437ca76c4ef8183244a7f7e1a24b50adfba2f0bc19eeb9093e65134e6b",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-02-08T02:37:59Z",
    "title_canon_sha256": "ccdad302990ad6361c70600f89216344feeb87fa904c36f1776b771d688cd86b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.1582",
    "kind": "arxiv",
    "version": 4
  }
}