Pith Number

pith:55MOB3DQ

pith:2012:55MOB3DQE7RDNG53OKC2QOV45O

not attested not anchored not stored refs pending

Vorticity and entropy production in tilted Szekeres spacetimes

A. Di Prisco, J. Carot, J. Iba\~nez, L. Herrera

arxiv:1207.2259 v2 · 2012-07-10 · gr-qc · 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{55MOB3DQE7RDNG53OKC2QOV45O}

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	2026-05-18T01:56:26.053442Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef58e0ec7027e2369bbb7285a83abceb9760776f0e9c44bcd2f561ed91a71a8d

Aliases

arxiv: 1207.2259 · arxiv_version: 1207.2259v2 · doi: 10.48550/arxiv.1207.2259 · pith_short_12: 55MOB3DQE7RD · pith_short_16: 55MOB3DQE7RDNG53 · pith_short_8: 55MOB3DQ

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/55MOB3DQE7RDNG53OKC2QOV45O \
  | 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: ef58e0ec7027e2369bbb7285a83abceb9760776f0e9c44bcd2f561ed91a71a8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eaca0a7b020c628b5ccd69768dbb8a9465febdb6770753963468ad2335536fe7",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-07-10T08:02:13Z",
    "title_canon_sha256": "29f5d01462ba6ba2d273110c1d280793a826dc4959e61f049c991ab9ff6cfda2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.2259",
    "kind": "arxiv",
    "version": 2
  }
}