Pith Number

pith:FEV5G2ZX

pith:1994:FEV5G2ZXKALOHAEIEON52FKBF5

not attested not anchored not stored refs pending

Spherically Symmetric Gravity as a Completely Integrable System

H.A. Kastrup, T. Thiemann

arxiv:gr-qc/9401032 v1 · 1994-01-27 · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FEV5G2ZXKALOHAEIEON52FKBF5}

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	2026-05-18T04:37:57.306065Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

292bd36b375016e38088239bdd15412f74832d04ac0b7fcd580b0be6c481024b

Aliases

arxiv: gr-qc/9401032 · arxiv_version: gr-qc/9401032v1 · doi: 10.48550/arxiv.gr-qc/9401032 · pith_short_12: FEV5G2ZXKALO · pith_short_16: FEV5G2ZXKALOHAEI · pith_short_8: FEV5G2ZX

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/FEV5G2ZXKALOHAEIEON52FKBF5 \
  | 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: 292bd36b375016e38088239bdd15412f74832d04ac0b7fcd580b0be6c481024b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "467406c382eb0563d3528af084f7136a06ce9b01aec0db05623d1879d3fc9a6e",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1994-01-27T13:23:28Z",
    "title_canon_sha256": "6743a063ba1611644aa444be59be7cde3e6942c99bcc5e8828f04860764df86c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9401032",
    "kind": "arxiv",
    "version": 1
  }
}