Pith Number

pith:KUFV7OIM

pith:2014:KUFV7OIMAXV5S4EWCFMF34JUHQ

not attested not anchored not stored refs pending

Cosmological constraints on galaxy cluster structure

J. S. Alcaniz, R. F. L. Holanda

arxiv:1404.1580 v2 · 2014-04-06 · 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{KUFV7OIMAXV5S4EWCFMF34JUHQ}

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	2026-05-18T01:43:37.213333Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

550b5fb90c05ebd9709611585df1343c112b5c2cf765f638617d27d1d71c3452

Aliases

arxiv: 1404.1580 · arxiv_version: 1404.1580v2 · doi: 10.48550/arxiv.1404.1580 · pith_short_12: KUFV7OIMAXV5 · pith_short_16: KUFV7OIMAXV5S4EW · pith_short_8: KUFV7OIM

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/KUFV7OIMAXV5S4EWCFMF34JUHQ \
  | 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: 550b5fb90c05ebd9709611585df1343c112b5c2cf765f638617d27d1d71c3452

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c030f9070492c44622a9dfb52320616380559d8f715580635d146b8dfb80030c",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-04-06T14:07:00Z",
    "title_canon_sha256": "107bff3d1dd796112947e7b3e186df248597ea50bfb29b484ea91353a9b707e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.1580",
    "kind": "arxiv",
    "version": 2
  }
}