Pith Number

pith:FRV63SYK

pith:2008:FRV63SYKEPZTS26A3JHSHL4FML

not attested not anchored not stored refs pending

Shearing Expansion-free Spherical Anisotropic Fluid Evolution

A. Wang, L. Herrera, N.O. Santos

arxiv:0810.1083 v1 · 2008-10-07 · gr-qc · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FRV63SYKEPZTS26A3JHSHL4FML}

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	2026-07-04T15:29:16.085049Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c6bedcb0a23f3396bc0da4f23af8562f15247bf63e58adcb49febba731d8deb

Aliases

arxiv: 0810.1083 · arxiv_version: 0810.1083v1 · doi: 10.48550/arxiv.0810.1083 · pith_short_12: FRV63SYKEPZT · pith_short_16: FRV63SYKEPZTS26A · pith_short_8: FRV63SYK

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/FRV63SYKEPZTS26A3JHSHL4FML \
  | 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: 2c6bedcb0a23f3396bc0da4f23af8562f15247bf63e58adcb49febba731d8deb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5198f5d4320672dcad31657529b263a7a7f75de5ee03785cf40c618faaeb4cd",
    "cross_cats_sorted": [
      "astro-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2008-10-07T01:57:32Z",
    "title_canon_sha256": "a14641a9e4372a79f21db4917ec0b073cc026bad764e864fc01eb3d358527912"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.1083",
    "kind": "arxiv",
    "version": 1
  }
}