Pith Number

pith:K4S2UHVK

pith:2017:K4S2UHVKLKNH2KJ5QS6KD2HLEJ

not attested not anchored not stored refs pending

On higher dimensional Einstein spacetimes with a non-degenerate double Weyl aligned null direction

Alena Pravdov\'a, Marcello Ortaggio, Vojt\v{e}ch Pravda

arxiv:1711.04160 v2 · 2017-11-11 · 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{K4S2UHVKLKNH2KJ5QS6KD2HLEJ}

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	2026-05-18T00:21:50.786054Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5725aa1eaa5a9a7d293d84bca1e8eb2263de8ce7877e13a9be91f259b0e26390

Aliases

arxiv: 1711.04160 · arxiv_version: 1711.04160v2 · doi: 10.48550/arxiv.1711.04160 · pith_short_12: K4S2UHVKLKNH · pith_short_16: K4S2UHVKLKNH2KJ5 · pith_short_8: K4S2UHVK

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/K4S2UHVKLKNH2KJ5QS6KD2HLEJ \
  | 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: 5725aa1eaa5a9a7d293d84bca1e8eb2263de8ce7877e13a9be91f259b0e26390

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa7d311e4e1cc1eee4ccbf1f5b9077136daad76eb00bf49552d74c6fd4fd5216",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-11-11T15:51:53Z",
    "title_canon_sha256": "cd0c911e5c923516886363fd4cd5eaf08d25451e0d357e2347b15c1135af9cbe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.04160",
    "kind": "arxiv",
    "version": 2
  }
}