Pith Number

pith:Z7WWOHBJ

pith:2005:Z7WWOHBJQS3JXD7RTWLN5E2WA5

not attested not anchored not stored refs pending

Generating perfect fluid spheres in general relativity

Matt Visser, Petarpa Boonserm, Silke Weinfurtner

arxiv:gr-qc/0503007 v1 · 2005-03-02 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z7WWOHBJQS3JXD7RTWLN5E2WA5}

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.

Cited by

1 paper in Pith

Revisiting Schwarzschild's constant density star in isotropic coordinates

Receipt and verification

First computed	2026-07-04T16:55:10.729598Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cfed671c2984b69b8ff19d96de9356074af052ed113ca288da23cdfec52183fc

Aliases

arxiv: gr-qc/0503007 · arxiv_version: gr-qc/0503007v1 · doi: 10.48550/arxiv.gr-qc/0503007 · pith_short_12: Z7WWOHBJQS3J · pith_short_16: Z7WWOHBJQS3JXD7R · pith_short_8: Z7WWOHBJ

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/Z7WWOHBJQS3JXD7RTWLN5E2WA5 \
  | 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: cfed671c2984b69b8ff19d96de9356074af052ed113ca288da23cdfec52183fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e085f24e20e843756da191be4560526c7e2198d91897b9de774d97480108fc18",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2005-03-02T03:25:03Z",
    "title_canon_sha256": "4dd652b367c352a40a6cdad52a5b38b62b20e195a9759a6f161d10ae4eb00f0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0503007",
    "kind": "arxiv",
    "version": 1
  }
}