Pith Number

pith:A7FK6WDR

pith:2012:A7FK6WDR5UIDGCCRPMHOFBXPEP

not attested not anchored not stored refs pending

On a five-dimensional version of the Goldberg-Sachs theorem

Alena Pravdova, Harvey S. Reall, Marcello Ortaggio, Vojtech Pravda

arxiv:1205.1119 v1 · 2012-05-05 · 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{A7FK6WDR5UIDGCCRPMHOFBXPEP}

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	2026-05-18T03:45:31.639594Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07caaf5871ed103308517b0ee286ef23ed7e71b4aa2e049e7a7acf602386c40c

Aliases

arxiv: 1205.1119 · arxiv_version: 1205.1119v1 · doi: 10.48550/arxiv.1205.1119 · pith_short_12: A7FK6WDR5UID · pith_short_16: A7FK6WDR5UIDGCCR · pith_short_8: A7FK6WDR

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/A7FK6WDR5UIDGCCRPMHOFBXPEP \
  | 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: 07caaf5871ed103308517b0ee286ef23ed7e71b4aa2e049e7a7acf602386c40c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80ad947e37cbad87bc357e879cc4226cd43cd39d62b2baab254c128be25ed670",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-05-05T10:14:12Z",
    "title_canon_sha256": "834d39a76518e15fa52198d55e2711bd66e3e910d39056c108a01f93e5e5a22d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.1119",
    "kind": "arxiv",
    "version": 1
  }
}