Pith Number

pith:5PNZMVZO

pith:2014:5PNZMVZOOEGDMRHCCX3W4GDYRE

not attested not anchored not stored refs pending

Kantowski-Sachs Universes sourced by a Skyrme fluid

Gaetano Vilasi, Luca Parisi, Ninfa Radicella

arxiv:1412.2249 v2 · 2014-12-06 · gr-qc · astro-ph.CO · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5PNZMVZOOEGDMRHCCX3W4GDYRE}

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	2026-05-18T02:19:42.434618Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ebdb96572e710c3644e215f76e187889041f59fbe2d24b823247ac2fc3d6d949

Aliases

arxiv: 1412.2249 · arxiv_version: 1412.2249v2 · doi: 10.48550/arxiv.1412.2249 · pith_short_12: 5PNZMVZOOEGD · pith_short_16: 5PNZMVZOOEGDMRHC · pith_short_8: 5PNZMVZO

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/5PNZMVZOOEGDMRHCCX3W4GDYRE \
  | 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: ebdb96572e710c3644e215f76e187889041f59fbe2d24b823247ac2fc3d6d949

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81b01f71f6327b7712bab07832cf4d8cf23e1fcf3e27297bb012e47a2c163655",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-12-06T16:01:38Z",
    "title_canon_sha256": "c6ec8fa40ac044104fcebb1602ee388aa85dc0dbd9e4694d99a12c8a282a7839"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.2249",
    "kind": "arxiv",
    "version": 2
  }
}