Pith Number

pith:ZVT72BOH

pith:1999:ZVT72BOHGFHSHNMMXNDZ5CCVK6

not attested not anchored not stored refs pending

On the Papapetrou field in vacuum

Carlos F Sopuerta, Francesc Fayos

arxiv:gr-qc/9907029 v1 · 1999-07-07 · 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{ZVT72BOHGFHSHNMMXNDZ5CCVK6}

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

Scattering angle in a Topological Star spacetime: a self-force approach

Receipt and verification

First computed	2026-07-04T16:13:52.885279Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd67fd05c7314f23b58cbb479e88555786c041f43a83774183dd9cf3265847f8

Aliases

arxiv: gr-qc/9907029 · arxiv_version: gr-qc/9907029v1 · doi: 10.48550/arxiv.gr-qc/9907029 · pith_short_12: ZVT72BOHGFHS · pith_short_16: ZVT72BOHGFHSHNMM · pith_short_8: ZVT72BOH

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/ZVT72BOHGFHSHNMMXNDZ5CCVK6 \
  | 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: cd67fd05c7314f23b58cbb479e88555786c041f43a83774183dd9cf3265847f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4aec4b46a9bfa1ef108445f56248789ed8feef4b48345faf722f57b544fcf210",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1999-07-07T15:55:50Z",
    "title_canon_sha256": "efb159ab4bf33ce51ef5d673c55ec43c34da44ec7aeee83188c29eb82d952d9b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9907029",
    "kind": "arxiv",
    "version": 1
  }
}