Pith Number

pith:WZ34XNM6

pith:2026:WZ34XNM6P6RUKQK2DHH2NBNHBQ

not attested not anchored not stored refs pending

Revisiting Schwarzschild's constant density star in isotropic coordinates

Christopher Simmonds (Victoria University of Wellington), Matt Visser (Victoria University of Wellington)

arxiv:2606.01061 v1 · 2026-05-31 · 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{WZ34XNM6P6RUKQK2DHH2NBNHBQ}

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	2026-06-02T01:04:20.121886Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b677cbb59e7fa345415a19cfa685a70c0ca66949d1acc507762399cebf1e7552

Aliases

arxiv: 2606.01061 · arxiv_version: 2606.01061v1 · doi: 10.48550/arxiv.2606.01061 · pith_short_12: WZ34XNM6P6RU · pith_short_16: WZ34XNM6P6RUKQK2 · pith_short_8: WZ34XNM6

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/WZ34XNM6P6RUKQK2DHH2NBNHBQ \
  | 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: b677cbb59e7fa345415a19cfa685a70c0ca66949d1acc507762399cebf1e7552

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e987f81cb2925530bb5eed88cf03477dbbfa0e2a1728fd1cc32e2c657161e217",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2026-05-31T07:07:58Z",
    "title_canon_sha256": "cb7140ae3bcab64b7221993e3d12cd6b136e8979be56982da8a431741cb41246"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.01061",
    "kind": "arxiv",
    "version": 1
  }
}