Pith Number

pith:2PRH3CRW

pith:2015:2PRH3CRWUAQPRCJFC7MYSZOUVO

not attested not anchored not stored refs pending

Shearing and geodesic axially symmetric perfect fluids that do not produce gravitational radiation

A. Di Prisco, J. Carot, J. Ospino, L. Herrera

arxiv:1501.02172 v1 · 2015-01-09 · 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{2PRH3CRWUAQPRCJFC7MYSZOUVO}

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	2026-05-18T01:41:11.920538Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3e27d8a36a020f8892517d98965d4ab84c58077b0d23250fb720a831989fdb4

Aliases

arxiv: 1501.02172 · arxiv_version: 1501.02172v1 · doi: 10.48550/arxiv.1501.02172 · pith_short_12: 2PRH3CRWUAQP · pith_short_16: 2PRH3CRWUAQPRCJF · pith_short_8: 2PRH3CRW

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/2PRH3CRWUAQPRCJFC7MYSZOUVO \
  | 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: d3e27d8a36a020f8892517d98965d4ab84c58077b0d23250fb720a831989fdb4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34f33e8dba1e4efd56d7fa132ff468f4875544f4eec5cf588624c5718f7d98ba",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-01-09T15:29:10Z",
    "title_canon_sha256": "d3bc6801eec259ecfd0444ed1c35b4422feffa141e0ce90a27cfa03798c57357"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.02172",
    "kind": "arxiv",
    "version": 1
  }
}